Most of the conversation around open banking in Nigeria has settled into a familiar groove. Credit. Payments. Financial inclusion. These are real and worth talking about, but they’ve crowded out something that, once you see it, is hard to unsee. When open banking goes live, Nigerians will be able to switch banks without leaving their financial history behind. Not through any workaround. Not by printing statements and getting them stamped. Just by choosing to share that history with a new institution, with consent, through a standardized channel. That is not a minor feature. It changes the terms of how banking works in this country.
We don’t switch banks in Nigeria. We collect them.
There are roughly 320 million active bank accounts in Nigeria and only about 67 million people with a BVN. That works out to nearly five accounts per adult. Most people aren’t holding this many accounts because they enjoy the confusion. They’re holding them because the alternative is worse. You’ve been with one bank for years. The charges are inconsistent. Customer service escalates slowly, if at all. You’ve been meaning to leave, but you keep putting it off. So instead of closing the account, you open a second one at a fintech for cheap transfers, keep the first for salary, add a third because a particular payment vendor only works with one specific bank. Before long, you’re managing your finances across four apps and calling it a strategy.
The reason the actual switch never happens isn’t inertia. It’s loss. Moving from one bank to another means abandoning something you spent years building without meaning to: a financial record. Salary deposits arriving on a predictable date. The loan you paid off without missing a cycle. The savings pattern that shows how you behave when money is tight. All of that sits inside your current bank, and it stays there when you leave. Your new bank doesn’t know you. They see a new account, a new customer, and a blank file. So they start there, which means you start there too.
The thing nobody tells you about your own financial data
Every transaction you’ve ever made at your bank is data. It isn’t your bank’s data in any fundamental sense. It’s a record of your behavior and surprise, your life. The bank happens to be the institution where it lives.
The CBN’s Operational Guidelines for Open Banking, published in 2023, formalize something that was always logically true but has never been structurally possible until now. A Nigerian can instruct their bank to share their financial record with another authorized institution. Transaction history. Account details. Savings patterns. The behavioral data that, taken together, tells the story of how you actually manage money. The Nigeria Data Protection Act of the same year reinforces this by establishing a right to data portability, the ability to receive your personal data in a structured format and have it transmitted to another institution. Put simply, your financial history belongs to you. Open banking gives you the infrastructure to use it.
Once a customer walks into a new bank and authorizes the sharing of their transaction history from their previous institution, the new bank no longer has to guess. They can see three, five, or ten years of verified financial behavior. They can offer a credit limit that reflects actual income rather than the standard beginner rate. They can price a loan based on real repayment history. They can onboard someone as a customer in full rather than as a stranger who needs to prove themselves from scratch.
Why this matters more for business banking
For individuals, the ability to carry your financial history to a new bank is genuinely useful. For business owners, it changes things at a different scale entirely. A trader who has run their business through one bank for seven years has accumulated something valuable sitting in that institution’s database: years of revenue patterns, how cash flows through their business across seasons, how they handle a bad month, whether they’ve reliably serviced obligations. This is exactly the information a lender needs to make a confident decision about a working capital facility. When that trader approaches a new lender, none of that history travels with them. They submit three months of stamped statements and hope the lender can extrapolate a business from a fragment of its story. The lender hedges, the facility is smaller than it should be, or the application fails entirely, not because the business isn’t creditworthy but because the evidence of creditworthiness isn’t available in the right place.
Financial data portability makes the full picture portable. The lender can see what the business actually looks like over time. The business owner carries their track record as a credential rather than leaving it behind every time they need to cross an institutional boundary. The same logic extends to freelancers, market traders, small contractors, any business where the income isn’t formal but the transaction pattern at a bank tells a consistent story over years. Open banking, properly built around portability, turns that pattern into something a lender can actually use.
What this changes about competition
There’s a deeper consequence to all of this that’s worth sitting with. Right now, a bank that provides poor service to a customer has a reasonable expectation that the customer will stay anyway. The cost of leaving is too high, not in time or money, but in the financial reputation they’d be abandoning. That structural friction protects banks from the full consequences of not serving customers well. When a customer can leave and take their history with them, that changes. A bank can no longer count on customers staying because leaving is too expensive. It has to compete for them, the way any business competes for customers who have genuine alternatives.
In markets where open banking has made switching meaningfully easier, the effect on competition has been real. In India, where a similar data-sharing framework has been running since 2021, lenders that could see a borrower’s history from other institutions made better decisions at lower risk. In Brazil, the Central Bank launched a credit portability system through their open finance infrastructure in late 2025, cutting the time it takes to move a loan to a competing institution from five days to two. Competition got cheaper to access, so more of it happened.
Nigeria’s framework already supports the data types that would make the same thing possible here. Transaction history, account details, behavioral data, all of it can be consented to and shared. The infrastructure is being built and when it goes live, the conditions for this kind of competition will exist in a way they never have before.
The bigger thing this is really about
Everything described here is a specific application of one broader idea: your financial history is an asset you’ve spent years building, and it should travel with you. At the moment, that asset is locked inside whatever institution you happen to have been using. You can’t take it to a new lender. You can’t use it to get a better deal somewhere else. You can’t negotiate from a position of demonstrated reliability because the evidence of that reliability isn’t portable. It belongs to you in theory and to your bank in practice.
Open banking doesn’t frame this as a gift the financial system is giving you. It frames it as a right. The CBN’s framework gives Nigerians the ability to authorize exactly this kind of sharing. The data protection legislation gives the right a legal foundation. What comes next is the infrastructure going live and financial institutions building products that actually make the right usable. When that happens, Nigerians won’t need to choose between tolerating a bank that isn’t working for them and starting over somewhere new. They’ll be able to do what people in functioning financial markets do: take what they’ve built with them, and find somewhere better.
