How to build an emergency fund, and keep it for emergencies

Everyone agrees an emergency fund is a good idea. The hard part is that the money has two enemies: the emergency you're saving for, and every ordinary day that wants to borrow from it. The general principle of holding money for a purpose is on how to lock your money. This page is about the one purpose you hope never to use.

Why emergencies so often become debt in Nigeria

Most health costs are paid from people's own pockets. In 2023, out-of-pocket payments made up 71.9% of Nigeria's current health expenditure.^[1] When someone falls ill, the bill usually comes from your own money, not from insurance.

Few people have a cushion. EFInA's 2026 national survey found that 62% of Nigerian adults would find emergency money very difficult to raise.^[2] Among formally included adults, only 10.6% said they could raise ₦156,000 within seven days without difficulty.^[3]

Put those together and the pattern is clear: an emergency arrives, there's no money set aside, so it becomes a loan, and the repayment weakens next month. That isn't a failure of character. It's what happens when there's no fund between you and the surprise.

What makes an emergency fund actually work

Research on health savings in Kenya found that simply giving people a safe place to keep money raised their health savings by 66%. Labelling the money helped only when it was meant for emergencies, or for people often asked for money by friends and relatives.^[4] Both lessons apply here:

1. Keep it apart. Emergency money in your spending balance gets spent on things that feel urgent but aren't emergencies.
2. Name it. "Emergency", or even "Health", is harder to raid than "savings".
3. Give it a small barrier, not a wall. It must be reachable within hours when a hospital asks for a deposit, and not reachable for a sale or a weekend.
4. Fund it first, every payday, even a small amount. A fund that waits for leftovers never fills.
5. Start with one month of essentials, then build towards three.

Prices move, so the target should too. Inflation was 15.39% in the year to August 2026.^[5] Look at your target every few months and raise it if your essentials cost more.

Set it up in Delight

Say your essentials come to ₦150,000 a month. A first target of ₦150,000, built over six paydays, is ₦25,000 a payday. (An illustration; use your own figures.)

1. Create an Emergency budget that repeats monthly, and check that Auto-fund is enabled.
2. Put it at or near the top of Funding priority, so it fills on payday before everyday spending.
3. Add a Stack with your target and a due date for when you plan to reach it. Choose Yes, but a limited amount, and set how much you can take out. Emergencies can then reach part of the fund quickly, and everyday spending can't touch it.
4. If you'd rather hold everything until the target is reached, make Emergency a one-time budget with your target as its amount, and lock it with Until Fully Funded. It unlocks when the budget reaches that amount. You can still add money while it's locked. Unlocking early costs 5% of the balance, which is the price you agree to for the protection.
5. When the Stack reaches its due date, it unlocks and its money is spendable for 7 days; after that, anything left moves to the Emergency budget's surplus, where it's still yours to use. Then start the next cycle towards three months.
6. Keep family support separate, in its own budget, so a request from home doesn't empty the fund you'd need if you fell ill.