Financing Africa from within: can domestic savings carry the economic transformation?

The issue

Sub-Saharan Africa saves 19.2% of its GDP. Emerging Asia saves 38.2% (IMF, October 2025). The gap is almost identical in investment: 21% of GDP on one side, 36% on the other, while every economy that has achieved its transformation invested durably above 30%. The region's unmet financing need is estimated at no less than $245 billion a year over 2025-2029 (Brookings, 2026).

And yet the money exists. Deposits in WAEMU banks grew 16% in 2025 to exceed CFAF 56,000 billion. African pension funds and other institutional investors manage more than $600 billion. The diaspora sent $56 billion to sub-Saharan Africa in 2024, more than foreign direct investment. So the question is not only "does Africa save enough?" but "where do the savings that exist go?"

What the facts say

Savings are short. In the WAEMU, 59% of bank deposits are sight deposits, available at any time. In turn, banks lend short: 48.5% of loans are short-term, 46.7% medium-term and only 4.8% long-term (WAMU Banking Commission, 2025). Three quarters of the new loans granted in 2024 were facilities of under a year (BCEAO, 2025). Savings redeemable on demand do not finance a factory, a road or a power grid.

They finance the state first. The Union's governments raised CFAF 11,859 billion through auctions on the regional market in 2025, against 3,330 billion in 2016; the outstanding stock has reached 21,629 billion, around 16% of the Union's GDP (UMOA-Titres, 2026). Historically this debt has been absorbed mostly by banks, which still hold close to 80% of it. Securities now represent 36.8% of WAMU banks' assets, and claims on governments around 37% of bank assets (IMF, 2025). The result is mechanical: in 2025, deposits grew 16% and loans to customers 5.5%. Private-sector credit growth fell from 10.3% at end-2023 to 5.5% at end-2024, and the IMF explicitly warns of a risk of public debt crowding out private credit. The phenomenon goes beyond the franc zone: across sub-Saharan Africa, public debt accounts for 43% of banks' balance-sheet assets (IMF, April 2026). In Nigeria at end-2024, the one-year Treasury bill yielded close to 23%, more than the prime rate granted to the best companies (18.6%): lending to the state was both safer and more profitable than financing the economy.

Capital markets remain narrow. The BRVM ended 2025 with a market capitalisation of CFAF 13,331 billion, up 32%, and a total capitalisation including bonds of 18.4% of the Union's GDP. But the market saw a single IPO in the year, and annual trading, CFAF 351 billion, fell 24%: less than 3% of capitalisation changes hands each year (BRVM, 2026). Among long-term investors, government bonds make up 60 to 70% of African pension-fund portfolios, up to 90% in Ghana, and less than 10% of assets go to infrastructure, housing or SMEs (FSD Africa, 2026). Long savings exist; they too are parked in public debt.

Popular savings largely outside the system. 58% of adults in sub-Saharan Africa had an account in 2024, against 49% in 2021; 35% save formally, against 23% three years earlier. But 28% still save through a tontine or a trusted person, and 40% of adults hold a mobile-money account, which carries most of the recent progress (World Bank, Global Findex 2025). Diaspora transfers cost on average 8.2% of the amount sent to sub-Saharan Africa, the most expensive region in the world, far from the 3% target set for 2030; banks charge 13.4%, digital services 4.6% (World Bank, Remittance Prices Worldwide, 2024). In Senegal, these transfers reached CFAF 2,211 billion in 2024, around 12% of GDP (BCEAO), and go mostly to consumption.

Why it matters

For policymakers, the diagnosis changes the nature of the problem. The constraint is not primarily the volume of savings but their maturity and allocation. Every billion raised from banks to finance the deficit is a billion less for companies, and the growing link between governments and banks creates, in the IMF's words, a shared vulnerability: if one falters, the other follows (IMF, May 2026).

For companies, the lesson is uncomfortable but useful: as long as the state offers banks a safe and well-paid placement, private credit will remain scarce and short. The companies that obtain long-term financing are those that most resemble a sovereign borrower: audited accounts, legible governance, regular information. Being financeable has become a skill.

For investors and development partners, finally, the exceptions show the way. In Nigeria, InfraCredit has guaranteed 390 billion naira of debt for 28 infrastructure projects, with maturities of up to twenty years, subscribed by twenty pension funds that manage three quarters of the sector's assets. In the WAEMU, the CRRH has refinanced banks' mortgage lending since 2010 and had a record year in 2025. Senegal raised more than CFAF 450 billion, 150% of its target, in a public offering open to its diaspora; Burkina Faso followed with a 151 billion diaspora bond. In October 2026, Côte d'Ivoire placed the first twenty-year bond ever issued on the UMOA-Titres market, and the share of non-bank investors in the regional stock has risen from 6.7% to more than 20% in ten years. Each time, the same mechanism: a credible instrument, backed by a guarantee or a trusted signature, that lengthens the saver's horizon.

What needs to change

1. Lengthen savings. Develop pension funds and life insurance in the franc zone, give tax incentives to term deposits and long-term savings plans, and offer mobile savers interest-bearing products beyond the e-wallet.
2. Rebalance public demand. Publish transparent debt, reduce dependence on local banks and widen the investor base: insurers, pension schemes, individuals, the diaspora. The regional market cannot remain a face-off between treasuries and banks.
3. Build the missing intermediaries. Guarantee platforms, refinancing vehicles, local-currency infrastructure and housing funds: these are what convert short, scattered savings into long financing. The partial failure of Kenya's M-Akiba retail bond, which reached only half its target, is a reminder that instrument design matters as much as the idea.
4. Make companies financeable. Governance, reliable accounts, regular financial reporting, structured projects: without this layer of investment-ready companies, long savings will still have only one borrower, the state.