Objects – teachanyclass.org

Introduction

Imagine you live in a small village in rural Kenya. You have a job in the city, two days' bus journey away. You want to send money to your mother. Twenty years ago, your options were terrible. You could put cash in an envelope and post it — slow, expensive, often stolen. You could ask a friend travelling that way to carry it — risky. You could send it through a bank — but the nearest bank branch was two hours away from your mother's village, and she did not have a bank account anyway. Most Kenyans did not. The banks did not want them. Their fees and minimum balances put accounts out of reach. About 80 percent of adult Kenyans had no formal financial services at all. Then, in 2007, came M-Pesa. The 'M' is for mobile. 'Pesa' is the Swahili word for money. The service is run by Safaricom, Kenya's largest mobile network operator. It works on basic mobile phones — no smartphone or internet needed. You send a text message with the amount and the recipient's phone number, and within seconds the money arrives in their phone account. They can take it as cash from a local agent — usually a shop, a kiosk, or a small business — almost anywhere in Kenya. Send money home. Pay a bill. Buy goods. Save. Take a small loan. All from a basic phone with a battery that lasts a week. M-Pesa transformed Kenya. Within four years, more than half of all Kenyan adults were using it. Within ten years, nearly everyone was. About half of Kenya's whole economy now flows through the system every year. People who had never had a bank account suddenly had a way to send, save, and borrow money. Studies have shown M-Pesa has lifted hundreds of thousands of Kenyan families out of poverty. The model has spread to over 90 countries worldwide. Mobile money is now bigger in Africa than it is anywhere else. This lesson asks how a Kenyan service became a model for the world, what makes it work, and what it teaches us about who invents things — and where.

The object

Origin: Kenya. Developed by Safaricom (Kenya's largest mobile network operator) and its parent company Vodafone. The pilot project was funded by the UK government's Department for International Development (DFID) in 2002-2005.
Period: Launched commercially in March 2007. Within four years, more than half of Kenyan adults were using it. By 2025, over 60 million active users across Kenya, Tanzania, Mozambique, the Democratic Republic of the Congo, Lesotho, Ghana, Egypt, and other countries.
Made of: A software service that runs on the SIM cards of basic mobile phones. Uses SMS text messages and a SIM toolkit menu — no internet or smartphone needed. Backed by physical agents (about 250,000 across Kenya alone) who handle cash deposits and withdrawals. Money is held in special trust accounts at Kenyan banks.
Size: M-Pesa as software is small. The agent network is huge — about 250,000 agents in Kenya, more than the number of bank branches in most countries. Each agent is usually a shop, kiosk, or small business that handles deposits and withdrawals.
Number of objects: In 2024, M-Pesa moved over $450 billion in transactions across all countries where it operates. About 60 million active users in Kenya alone — over 80 percent of the adult population. Equivalent to nearly half of Kenya's GDP passes through M-Pesa each year.
Where it is now: Active across Kenya, Tanzania, Mozambique, the Democratic Republic of the Congo, Lesotho, Ghana, Egypt, and Ethiopia. Headquartered at Safaricom in Nairobi. The model has been copied by mobile money services in over 90 countries worldwide.

Before you teach this — reflect

Questions for you

Many of my students may assume Africa is a place that needs help, not a place that leads. How will you teach M-Pesa as African innovation that the rest of the world has copied?
M-Pesa is a private business with real benefits and real costs. How will you teach it honestly — including criticisms about fees and near-monopoly?
Many of my students may not have a clear picture of how mobile money works without a smartphone. How will you explain the technology clearly?

Common student difficulties — tick any you have noticed

My students may not know that Kenya led the world in mobile money, with M-Pesa launching in 2007 — years before most rich countries had anything similar.
My students may not know that M-Pesa works on basic feature phones using simple text messages, not on smartphones or the internet.
My students may not know that nearly half of Kenya's GDP passes through M-Pesa each year, with 60 million active users.
My students may not know that the M-Pesa idea came partly from observing how Kenyans were already using mobile phone airtime as informal money.
My students may not know that M-Pesa has been criticised for high fees on small transactions and for a near-monopoly that lets Safaricom set prices.
My students may not know that mobile money is now bigger in sub-Saharan Africa than anywhere else in the world.

Discovery sequence

1

In 2002, three years before M-Pesa launched, researchers at the UK Department for International Development (DFID) noticed something strange. Across Kenya, Uganda, Botswana, and Ghana, ordinary people were using mobile phone airtime as money. You would buy 100 shillings of airtime. Then, by phoning your phone company and asking, you could transfer that airtime to someone else's phone. The recipient could either use it for calls, or — and this is the interesting part — sell it back to a local airtime agent for cash. Minus a fee, of course. In other words, Africans were already using mobile phones as a money transfer system. They had invented this without anyone teaching them. The phone companies had not designed it as money. Customers simply realised the system could be used that way and started using it. The DFID researchers showed this to Vodafone, a big British phone company that owned a stake in Safaricom. Vodafone agreed to develop a proper mobile money product. The British government provided funding. The pilot ran in Kenya from 2005. The full launch came in 2007. The service was originally designed to let people repay microfinance loans by phone. But once it launched, customers started using it for something else: sending money to family. The 'Send Money Home' campaign captured the imagination. Two million people signed up in the first year. What does this teach us?

Points to consider (for the teacher)

That innovation often comes from users, not designers. The original mobile money idea was Kenyan and East African — ordinary people working out how to use airtime as money because they had no alternative. The phone company and the British government did not invent this. They formalised what was already happening. The deeper point is that 'innovation' is often misunderstood. We usually picture brilliant inventors in laboratories or startups. In reality, many of the world's most important inventions come from users adapting existing tools to new uses. The wheel was probably invented by potters first, then adapted for transport. The telephone was originally a hearing aid for the deaf. SMS text messaging started as a system for engineers to test phone networks; users turned it into a global communication system. Airtime-as-money was a Kenyan and East African user innovation that became a global financial product. Students should see that 'where good ideas come from' is more interesting than 'who is officially credited'. M-Pesa is partly a Vodafone product, partly a Safaricom product, partly a Kenyan user invention. All three deserve credit.

2

How does M-Pesa actually work? The technology is more clever than it looks. To use M-Pesa, you need a phone — any phone, including the cheapest feature phone — with a Safaricom SIM card. M-Pesa is on the SIM card itself, not the phone. So even an old phone with no internet works. To register, you visit any M-Pesa agent — a shop, a kiosk, a small business — with your national ID. The agent enters your details and you become an M-Pesa user. There is no minimum balance. There are no monthly fees. To deposit money, you give cash to an agent. The agent uses their own M-Pesa account to transfer the equivalent electronic money to your phone. You can now send that money to anyone with a Kenyan phone number, just by typing their number and the amount. The transaction takes seconds. Both sides get a confirmation text. To withdraw, you visit any agent. You send the agent the amount you want to withdraw, plus a small fee. They give you the cash. The system uses SMS text messages and a SIM toolkit menu. No internet. No smartphone. The encryption and security are built into the SIM. The whole system runs on text messages and a small set of menus. Why does the simplicity matter?

Points to consider (for the teacher)

Because it solves a real problem. In 2007, when M-Pesa launched, smartphones were rare and expensive in Kenya. Internet coverage was patchy. But basic mobile phones were everywhere. Even the poorest Kenyans had access to a phone. By building M-Pesa on basic phone technology, Safaricom made it work for everyone, not just the rich. Compare with banking apps from American or European banks, which require smartphones, internet, and accounts at participating banks. Most Kenyans cannot use these even today. M-Pesa was designed for the actual user, not the imagined user. The simplicity also makes it fast. The whole world of fintech in 2026 is trying to catch up to what M-Pesa was already doing in 2007. Apple Pay, Google Pay, WeChat Pay, Venmo — all are descendants of the basic idea: use the phone you already have to handle money. Kenya was first. Students should see that 'low-tech solutions' are often more inclusive than 'high-tech solutions'. The M-Pesa technology is simple by design. The simplicity is the achievement. End the discovery here. The phone in your pocket may be smarter than the phone in a Kenyan pocket. But your phone may not have transformed your country's economy.

3

The agents are the secret of M-Pesa. Without the network of physical agents — about 250,000 across Kenya — the system would not work. The agents convert cash to electronic money and back again. They are the bridge between the digital system and the cash economy that most Kenyans still use for daily life. Each agent is a small business — usually a shop, a market stall, a petrol station, a salon. The agent earns commissions on each transaction. For many small businesses, M-Pesa agency is a major source of income. The agency network has employed hundreds of thousands of people directly, mostly in poor and rural communities where formal jobs are scarce. The agents are the reason M-Pesa reaches further than banks ever did. There are about 1,500 commercial bank branches in Kenya. There are 250,000 M-Pesa agents — over 150 times as many. In every corner of every village, there is an agent within walking distance. The agent network has also created problems. Agents sometimes run out of cash, especially in rural areas, and customers cannot withdraw. Some agents have been targets of robbery. Some have been involved in fraud. Safaricom has had to invest heavily in agent training, security, and oversight. The Kenyan government has had to develop new regulations specifically for mobile money agents — they are not banks, but they are not just shops either. They are something new. The Central Bank of Kenya took the brave step in 2007 of allowing M-Pesa to operate even though it did not fit existing banking regulations. Other countries followed. Why does this matter?

Points to consider (for the teacher)

Because it shows that financial systems need physical infrastructure, even when the headline technology is digital. M-Pesa is often described as a purely digital innovation, but it depends entirely on a vast human network of agents. Each agent is a small business owner with their own incentives, their own training, their own challenges. The system is digital plus physical. The Kenyan model — extensive agent networks — has been copied across the developing world. Tanzania, Uganda, Tanzania, the Philippines, India, and many other countries now have similar systems. The combination of digital service plus dense agent network is what works. Students should see that 'fintech' often hides massive physical infrastructure. The M-Pesa agent system is one of the most extensive financial networks in human history. About 250,000 agents in Kenya alone. Most are not formal financial professionals. Most are local shop owners. The system works because it trusts ordinary people to handle money, with the technology providing the verification.

4

What has M-Pesa actually done? Studies have measured the effects. A 2016 study by economists Tavneet Suri and William Jack, published in the journal Science, found that M-Pesa had lifted about 194,000 Kenyan households (about 2 percent of all Kenyan households) out of poverty between 2008 and 2014. The effect was strongest for female-headed households. The mechanisms were multiple: easier saving, faster emergency money transfers, easier ways for families to spread risk and help each other. M-Pesa has also transformed business. Small Kenyan businesses use M-Pesa to take payments, pay suppliers, pay wages, and access short-term loans. The 'Lipa Na M-Pesa' service (pay with M-Pesa) lets shops accept payment from customers' phones, even tiny amounts. Many small Kenyan businesses no longer handle much physical cash. The service has expanded. M-Shwari, launched in 2012, offers savings and loans through M-Pesa, partnering with the Commercial Bank of Africa. Fuliza, launched in 2019, is a small overdraft service. Customers can borrow what they need to complete a transaction when their balance is short. The Kenyan government uses M-Pesa to deliver social welfare payments, especially to remote and poor communities. M-Kopa, a separate company, lets rural Kenyans buy solar lighting systems on a 'pay as you use' basis through M-Pesa, replacing dangerous and expensive kerosene lamps. But there are real criticisms. M-Pesa is near-monopolistic in Kenya. Safaricom has used its dominance to charge fees that some critics call too high. Withdrawing 300 Kenyan shillings (about $2) costs 29 shillings — roughly 10 percent. For poor users, these fees add up. Other criticisms include the difficulty of recovering funds when transactions go wrong, the privacy implications of having all financial activity tied to one company, and the way M-Pesa has pulled people into the formal system whether they wanted that or not. What is M-Pesa today?

Points to consider (for the teacher)

A massive success and a complicated business. Sixty million active users. About half of Kenya's GDP flowing through it each year. Hundreds of thousands of households lifted out of poverty. A model copied across 90 countries. Safaricom is one of the most profitable companies in Africa, partly because of M-Pesa. The system has expanded to Tanzania, Mozambique, the Democratic Republic of the Congo, Lesotho, Ghana, Egypt, and Ethiopia. India, Romania, and Albania tried it but the service was withdrawn after low uptake. Vodafone and Safaricom are still the major shareholders in M-Pesa, though there are partnerships with many local banks. The system is studied by economists, business schools, and policymakers worldwide. The Kenyan invention has become a model for how the developing world can leapfrog rich countries in financial services. End the discovery here. Right now, somewhere in Kenya, someone is sending money home to their mother. The transaction takes ten seconds. The mother can collect the cash from a kiosk near her village. Twenty years ago, this was impossible. Now it is normal.

What this object teaches

M-Pesa is a mobile money service launched in Kenya in 2007 by Safaricom and Vodafone. The 'M' is for mobile; 'Pesa' is the Swahili word for money. The service runs on basic mobile phones using SMS text messages — no smartphone or internet needed. Users can send money, pay bills, buy goods, save, and take small loans through their phone. The system depends on a vast network of agents (about 250,000 in Kenya) — small shops and kiosks that handle cash deposits and withdrawals. M-Pesa transformed Kenya. By 2014, about 60 million active users across countries where it operates; nearly half of Kenya's GDP flows through the system each year; about 194,000 Kenyan households were lifted out of poverty by M-Pesa between 2008 and 2014. The model has been copied by mobile money services in over 90 countries worldwide, with mobile money now bigger in sub-Saharan Africa than anywhere else. The original idea came partly from observing that Kenyans were already using mobile phone airtime as informal money. The Central Bank of Kenya took a brave regulatory risk in 2007 to allow the service. There are real criticisms: high fees on small transactions, near-monopoly status of Safaricom, privacy concerns. But M-Pesa remains one of the clearest examples of African innovation that has reshaped global finance — a Kenyan invention that the rest of the world is still trying to catch up with.

Date	Event	What changed
Early 2000s	Kenyans use mobile phone airtime as informal money	User innovation begins; researchers notice the pattern
2002	DFID researchers document airtime-as-money use across East and West Africa	The user innovation becomes visible to international development institutions
2005	Pilot project begins in Kenya	Vodafone, Safaricom, and DFID test the formal mobile money product
March 2007	M-Pesa launches commercially	Service goes public with 'Send Money Home' campaign; 2 million users in first year
2010	Most successful mobile money service in the developing world	M-Pesa becomes the global model for mobile money
2012	M-Shwari launched	Savings and loan products added; users can save and borrow through their phones
2016	Science journal study published	Tavneet Suri and William Jack show M-Pesa lifted 194,000 households out of poverty
2024	Over $450 billion in transactions	Active in 8+ countries; 60 million users; copied by mobile money services worldwide

Key words

Mobile money

A financial service that uses mobile phones (especially basic ones) to send, receive, store, and spend money. Built around text messages, agent networks, and trust accounts at banks. M-Pesa is the most famous example, but mobile money services now exist in over 90 countries.

Example: Other major mobile money services include MTN Mobile Money in West Africa, Wave in Senegal and Côte d'Ivoire, Bkash in Bangladesh, GCash in the Philippines, and Paytm in India. Each is descended from the M-Pesa model.

Safaricom

Kenya's largest mobile network operator, partly owned by Vodafone. The company that operates M-Pesa. One of the most profitable companies in Africa. Headquartered in Nairobi.

Example: Safaricom's mobile network covers nearly all of Kenya. Almost every adult Kenyan has a Safaricom SIM card. The company's profits from M-Pesa alone are larger than the GDP of many small countries.

Financial inclusion

The principle that everyone should have access to useful financial services — sending money, saving, borrowing, insurance — at affordable cost. M-Pesa has been one of the most successful financial inclusion projects in history.

Example: Before M-Pesa, about 80 percent of Kenyan adults had no formal financial services. By 2024, that figure was below 20 percent. The change is one of the largest gains in financial inclusion ever recorded in any country.

Agent network

The system of physical shops, kiosks, and small businesses that handle cash deposits and withdrawals for M-Pesa. About 250,000 agents in Kenya. Each is a local business that earns commissions on transactions.

Example: M-Pesa agents are usually identifiable by the green and red Safaricom branding. They are far more numerous than bank branches — about 150 times more in Kenya. The agent system is what makes M-Pesa accessible everywhere.

Lipa Na M-Pesa

Swahili for 'Pay with M-Pesa'. The system that lets businesses accept M-Pesa payments from customers. Small shops, market stalls, and even individual sellers can take electronic payments using just a basic phone.

Example: In Nairobi today, you can pay for almost anything with M-Pesa — bus fares, market vegetables, restaurant meals, salon services, school fees. Many shops display 'Lipa Na M-Pesa' signs with their till numbers.

Feature phone

A basic mobile phone with limited functions — calls, text messages, simple menus — but no smartphone capabilities like full internet browsing or apps. Cheap, durable, with batteries that last days. The phone type that most M-Pesa users have used.

Example: The Nokia 1100, launched in 2003, was one of the most common feature phones in Kenya during M-Pesa's early years. It cost about $20, ran for a week on one charge, and could send and receive M-Pesa transactions through SMS.

Use this in other subjects

Mathematics: In 2024, M-Pesa moved over $450 billion in transactions. With 60 million active users, that is about $7,500 per user per year. Calculate: how does this compare with the GDP per person of Kenya (about $2,000)? The difference reflects how many transactions each person does — the average M-Pesa user moves money several times a week.
History: Build a class timeline of payment technology: cowrie shells (3000 BCE), gold coins (700 BCE), paper money (China, 11th century), credit cards (1950s), online banking (1980s-1990s), mobile money (Kenya, 2007), digital wallets (2010s onwards). Each was a leap forward. M-Pesa is the most recent.
Geography: On a class map, mark countries where mobile money is now major: Kenya, Tanzania, Uganda, Ghana, Côte d'Ivoire, Senegal, Bangladesh, the Philippines, India. Discuss: mobile money is bigger in the Global South than in rich countries. Why? The combination of high mobile phone use and limited bank coverage created the opportunity.
Citizenship: M-Pesa has changed how millions of people relate to money and to each other. Discuss: what are the consequences for privacy when one company holds the financial records of most adults in a country? What are the responsibilities of regulators? Compare with debates about other tech companies (Google, Facebook, Apple).
Ethics: M-Pesa fees on small transactions are about 10 percent — much higher proportionally than fees on large transactions. Discuss: is this fair? The fee covers real costs (agent commissions, system costs), but it falls hardest on the poorest users. Strong answers will see the trade-off between universal access and fair pricing.
Science: M-Pesa is a data communications system. It uses SMS — Short Message Service — to send small encrypted packets of information between phones, agents, and the central system. Discuss: how does encryption keep transactions secure when sent over public networks? The mathematics is interesting and accessible.

Common misconceptions

Wrong

Africa is not a place where major technological innovations happen.

Right

Africa, and Kenya in particular, has led the world in mobile money. M-Pesa launched in 2007 — years before similar services in the United States or Europe. The model has been copied by over 90 countries. African mobile money is now bigger than mobile money anywhere else.

Why

The assumption that innovation only comes from rich countries erases real African achievement. Kenya led; the rest of the world is still catching up.

Wrong

M-Pesa was invented by big companies.

Right

The original idea came from ordinary Kenyans using mobile airtime as informal money. Researchers noticed this user innovation. Vodafone and Safaricom developed the formal product. The British government funded the pilot. Many actors deserve credit, but the user innovation came first.

Why

Crediting only big companies erases the user creativity that made the idea possible.

Wrong

M-Pesa needs smartphones and internet.

Right

M-Pesa works on basic mobile phones using simple text messages. No smartphone or internet needed. This is one of the reasons it spread so widely — it could be used by anyone with any phone, including the cheapest models.

Why

The simplicity of M-Pesa is part of why it succeeded where smartphone-based services failed in poor countries.

Wrong

M-Pesa is purely a force for good.

Right

M-Pesa has done enormous good — 194,000 households lifted out of poverty, dramatic gains in financial inclusion. But it is also a near-monopoly. Fees on small transactions are about 10 percent. Privacy and data concerns are real. The benefits are real and so are the costs.

Why

'Purely good' or 'purely bad' framings of major innovations usually miss the truth. M-Pesa is complicated.

Teaching this with care

Treat M-Pesa as a serious example of African innovation. Use 'M-Pesa' (with the hyphen) as the official name; 'mobile money' as the broader category. Pronounce 'M-Pesa' as 'em-PEH-sah'. Pronounce 'Safaricom' as 'sah-FAH-ree-com'. 'Pesa' is Swahili and pronounced 'PEH-sah'. Be careful to credit Kenya and Kenyans properly. Many international stories about M-Pesa emphasise Vodafone and the British government's role; these are real but partial. The original user innovation was Kenyan and East African. The day-to-day success of M-Pesa depends on Kenyan agents, customers, regulators, and engineers. Avoid framing M-Pesa as 'help from outside'. It is much more accurately framed as Kenyan innovation that has helped the world. Avoid the lazy 'leapfrog' narrative that sometimes appears in Western coverage. While it is true that Africa has skipped some stages of financial development, this can be told in patronising ways ('they were so backward they had to skip ahead'). Better to say that Kenya saw an opportunity that rich countries had not yet seen, and acted on it. Be honest about criticisms. M-Pesa is a near-monopoly. Fees are high in proportion to small transactions. Privacy and data concentration are real concerns. The system has had outages and frauds. Do not present it as flawless. The Central Bank of Kenya's brave regulatory choice in 2007 is part of the story. Without it, M-Pesa might have been blocked by existing banking regulations. Mention this — innovation needs willing regulators. If you have students of Kenyan or East African heritage, give them space to share family experience. Many will know M-Pesa intimately, possibly more than the teacher. Respect their expertise. Do not assume your students do not have mobile money experience themselves. In many countries, including some in Europe and Asia, mobile money is now common. Connect with their experience where possible. End on the present. M-Pesa is alive, used today by 60 million people. The story is ongoing.

Check what students have understood

Answer each question in one or two sentences. Use what you have learned about M-Pesa.

What is M-Pesa, and where and when did it launch?

M-Pesa is a mobile money service that lets people send, receive, store, and spend money through their phones. It launched in Kenya in March 2007, run by Safaricom (Kenya's largest mobile network operator) and its parent Vodafone. The 'M' is for mobile; 'Pesa' is Swahili for money.

Marking note: Award full marks for any answer that names the service, the country, and the approximate date (2007 or late 2000s).
How does M-Pesa work without smartphones or internet?

It works on basic mobile phones using SMS text messages and a simple SIM toolkit menu. Users send money by typing the recipient's phone number and amount. Cash deposits and withdrawals happen through a network of about 250,000 agents — local shops and kiosks — across Kenya.

Marking note: Strong answers will mention both the SMS-based technology and the agent network.
Why was M-Pesa important for ordinary Kenyans?

Before M-Pesa, about 80 percent of Kenyan adults had no formal financial services — no bank accounts, no easy way to send or save money. M-Pesa gave them one. Studies show it lifted about 194,000 households out of poverty between 2008 and 2014. It made it cheap and easy to send money to family, save, pay bills, and run businesses.

Marking note: Award full marks for any answer that recognises both the financial inclusion impact and the practical daily benefits.
How did M-Pesa change global finance?

It became the model for mobile money services in over 90 countries worldwide. Mobile money is now bigger in sub-Saharan Africa than anywhere else. Apple Pay, Google Pay, and similar services in rich countries are all in some sense descendants of M-Pesa. Kenya led the world.

Marking note: Strong answers will mention both the spread to other countries and the broader global influence.
What are some criticisms of M-Pesa?

M-Pesa is a near-monopoly in Kenya. Fees on small transactions are about 10 percent — high in proportion. There are privacy concerns about one company holding most adult Kenyans' financial records. Users have sometimes lost money in fraud or system errors. The benefits are real, but so are the costs.

Marking note: Award full marks for any answer that names at least two specific criticisms.

Discuss together

These questions have no single right answer. Talk in pairs or small groups, then share your ideas with the class.

Kenya led the world in mobile money. What does this teach us about where good ideas come from?

Push students to think about innovation. They may suggest: good ideas come from any country, not just rich ones; necessity drives invention more than wealth; the people facing a problem are often best at inventing solutions. The deeper point is that the standard story of innovation (rich countries invent, poor countries import) is often wrong. The mobile phone itself was invented in the US, but mobile money — using mobile phones for finance — was invented in Kenya. The Bangladeshi micro-finance model (Grameen Bank) was developed in one of the poorest countries in the world. Many other examples exist. End by asking students to think of innovations from their own communities or countries that have been adopted elsewhere.
M-Pesa works because Safaricom has near-monopoly power. Is this acceptable?

This is a real ongoing debate. Arguments for the monopoly: a single dominant service makes the network effect work — everyone has the same system, so transfers are easy; the scale lets Safaricom invest in security and reliability; competition might fragment the system and make it less useful. Arguments against: monopoly means high fees and limited choice; one company holds enormous power over Kenyans' financial lives; smaller competitors cannot get a foothold. Many countries have tried to introduce competition. Strong answers will see the genuine trade-off. End by noting that most natural monopolies (electricity, water, public transport) face similar debates.
M-Pesa has lifted 194,000 households out of poverty in Kenya. Is this enough? Or should we expect more from a service this large?

This is a question about the limits of technology. Students may suggest: 194,000 households is a huge number; but if half of Kenya's GDP flows through M-Pesa, the gains could be larger; technology alone cannot solve poverty without fair distribution. The deeper point is that 'lifting people out of poverty' depends on multiple factors — jobs, education, healthcare, infrastructure, governance. Mobile money is one tool. It can help. It cannot solve everything. End by asking what other tools and policies are needed alongside M-Pesa.

Teaching sequence

THE HOOK (5 min)

Without saying anything about the lesson, ask: 'Which country invented mobile money — sending money by phone — first: the United States, the United Kingdom, or Kenya?' Take guesses. Then say: 'Kenya. In 2007. Years before the others. We are going to find out about it.'
INTRODUCE THE OBJECT (10 min)

Describe M-Pesa: launched in Kenya in 2007 by Safaricom. Works on basic phones through text messages. About 60 million users today. Half of Kenya's GDP flows through it each year. The model has been copied by 90+ countries. Pause and ask: 'Why might Kenya have invented this before the United States?' Listen to answers — they should lead toward the idea that necessity drives innovation.
HOW IT WORKS (15 min)

Explain the system: SIM toolkit menu, SMS messages, agents. Walk through a typical transaction: deposit cash with an agent → send money by text → recipient withdraws cash from another agent. The whole thing takes seconds. Discuss: why is this system so well-designed for Kenya? End by listing some criticisms (fees, monopoly, privacy).
STEP 4 — INNOVATION FROM USERS (10 min): Tell the airtime-as-money story. Kenyans were already using phone airtime as informal money before M-Pesa existed. Researchers noticed. Vodafone formalised. The point: users invented the idea; companies productised it. Discuss: where else does this pattern happen?
CLOSING (5 min)

Ask: 'What does M-Pesa teach us about innovation, Africa, and where good ideas come from?' Take a few honest answers. End by saying: 'Right now, somewhere in Kenya, someone is sending money home. The transaction takes ten seconds. Their grandmother will collect the cash from a kiosk near her village. Twenty years ago this was impossible. Today it is normal — in Kenya before anywhere else. The next time you hear about Africa, remember: Kenya led the world in this. The world is still catching up.'

Classroom materials

User Innovation

Instructions: In small groups, students discuss: 'What is something that ordinary people use in unexpected ways, that the original designers did not plan for?' Examples might include: using emails for archiving, using TikTok for learning, using Twitter for emergency alerts, using shopping baskets for transport, using umbrellas as walking sticks. Each group shares one example. Discuss: this is exactly how mobile money was invented in Kenya.

Example: In Mr Otieno's class, students named: using Bluetooth to share music in classrooms; using smartphone flashlights more than as cameras; using WhatsApp groups for school homework. The teacher said: 'You have just listed real cases of user innovation. The same kind of creativity invented mobile money in Kenya. Ordinary phone users worked out how to send airtime as money. The phone companies caught up later. The user is often ahead of the designer.'

Map of Mobile Money

Instructions: On a class map of the world, mark major mobile money services: M-Pesa (Kenya, Tanzania, others), MTN Mobile Money (Ghana, Uganda, etc.), Wave (Senegal, Côte d'Ivoire), Bkash (Bangladesh), GCash (Philippines), Paytm (India). Discuss: mobile money is a Global South innovation. Rich countries have caught up only recently with services like Apple Pay and Venmo.

Example: In one class, students were surprised at how widespread African and Asian mobile money is compared with Europe or North America. The teacher said: 'You are looking at the geography of an innovation that came from poor countries. Rich countries had banks that mostly worked, so they did not need mobile money urgently. Poor countries had limited banking, so they had to invent something better. The need was different. The invention followed the need.'

Design a Service

Instructions: In small groups, students design a hypothetical mobile service for a real problem in their own community. Example problems: getting prescriptions to elderly people who cannot easily travel; coordinating school carpools; sharing food after parties; arranging tutoring. Each group sketches: who uses it, what device they use, how it works step by step, who pays for it. Discuss: M-Pesa was designed this way, with a real user need and a simple solution.

Example: In Mrs Wanjiru's class, students designed a service for organising community meal-sharing during emergencies. The teacher said: 'You have just done what M-Pesa designers did. You started with a real need, kept the technology simple, and thought about who would actually use the service. The best innovations follow this pattern. The hardest part is not the technology — it is understanding the real need.'

Where to go next

Try a lesson on the cowrie shell for another object connecting Africa to money and trade.
Try a lesson on the Asante gold weight for another piece of African financial history.
Try a lesson on the silk road scale for another piece of trust-building technology.
Connect this lesson to economics class with a longer project on financial inclusion. Mobile money is one tool among many.
Connect this lesson to design class with a longer project on user innovation. Many great products come from users adapting existing tools.
Connect this lesson to citizenship class with a longer discussion of monopoly power. M-Pesa raises questions about how much control any one company should have.

Key takeaways

M-Pesa is a mobile money service launched in Kenya in 2007 by Safaricom and Vodafone. It lets people send money, pay bills, save, and borrow through basic mobile phones using text messages — no smartphone or internet needed.
Kenya led the world in mobile money. The model has been copied by services in over 90 countries worldwide. Mobile money is now bigger in sub-Saharan Africa than anywhere else.
M-Pesa works because of a network of about 250,000 agents across Kenya — small shops and kiosks that handle cash deposits and withdrawals. The agents are the bridge between digital money and the cash economy.
About 60 million active M-Pesa users today across countries where it operates. Nearly half of Kenya's GDP flows through M-Pesa each year. About 194,000 Kenyan households were lifted out of poverty by the service between 2008 and 2014.
The original idea came from observing that Kenyans were already using mobile phone airtime as informal money. User innovation came first; phone companies and the British government formalised it later.
M-Pesa has real costs as well as benefits. Safaricom is a near-monopoly. Fees on small transactions are about 10 percent. Privacy concerns are real. The system is one of the world's clearest examples of how technology can transform a country, with both gains and trade-offs.

Sources

The Long-Run Poverty and Gender Impacts of Mobile Money — Tavneet Suri and William Jack (2016) [academic]
M-Pesa: Mobile Money for the Unbanked — Innovations: Technology, Governance, Globalization (2009) [academic]
How Kenya revolutionized mobile payments — BBC News (2017) [news]
M-Pesa Annual Report — Safaricom (2024) [institution]
State of the Industry Report on Mobile Money — GSMA (2024) [institution]

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M-Pesa: A Phone, a Bank, and a Country That Led the World

Questions for you

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