Article by Paul Kariuki – Investment Analyst & Dealer at Jubilee Asset Management Limited
There is a particular kind of relationship that financial analysts describe as “comfortable but concerning.” Everything looks fine on the surface: no missed payments, no dramatic headlines. Yet underneath, structural imbalances are quietly accumulating. Kenya’s banking sector and its sovereign debt market have settled into exactly this arrangement, and the world’s financial watchdogs are beginning to take notice.
Kenyan banks collectively hold KES 2.2 trillion in government securities: Treasury bills, bonds, and other sovereign instruments issued by the Exchequer. That figure represents 30% of all domestic debt outstanding and roughly 27% of total banking assets. More than a quarter of every shilling in Kenya’s banking system is, in some form, lent back to the government. The appetite is growing too: banks added KES 150 billion to these holdings in just six months to August 2026.
The logic is not hard to follow. Government securities are zero-risk-weighted under Basel frameworks, with no additional capital buffer required. They are liquid, regularly auctioned, and in Kenya’s case, high-yielding relative to regional peers. When private sector credit demand softens, or loan default risks rise, a Treasury bill starts looking like the most sensible trade in the room. In periods of fiscal expansion, the Exchequer borrows more; banks, flush with deposits, are ready buyers. The market deepens, auction participation stays healthy, and the system hums along. It is, in a sense, a finely tuned machine.
The question the IMF, Fitch, and others are raising is not whether the machine works (it clearly does), but what happens when one of its critical gears starts to wear.
Fitch flagged the issue as far back as 2025, noting that Kenyan banks were structurally inclined toward heavy government securities exposure and expected to remain so. The IMF has since echoed the concern, framing the exposure as a risk that warrants monitoring, even if it does not yet constitute an emergency.
The underlying risk is what economists call the “sovereign-bank nexus”: the feedback loop where banks hold large quantities of government debt while the government relies on those same banks as its primary buyers. The concern is not default in isolation, but contagion: if sovereign creditworthiness deteriorates, bank balance sheets weaken simultaneously, precisely when stability is most needed. Kenya’s own Debt Sustainability Analysis (2025) acknowledges that domestic debt is under stress, not at default risk, but requiring careful management. Total government debt stood at KES 13.06 trillion as of June 2026, with KES 7.32 trillion being domestic. Stress, even manageable stress, can shift the calculus quickly.
The Kenya Bankers Association has pointed toward diversification as the sector’s strategic direction, a genuine signal that banks are aware of the concentration. But diversification in banking is rarely a fast pivot. Loan books take time to build, credit infrastructure takes time to develop, and in an environment where government paper remains attractively priced and frictionless, the incentive to stay put competes constantly with the incentive to move on.
For investors, the immediate picture remains benign. Sovereign yields are attractive, default risk is contained, and the banking system is adequately capitalised by most measures. But the medium-term story is more nuanced. A sector this heavily weighted toward one borrower is a sector whose health is increasingly indistinguishable from the health of the sovereign itself.
For those who prefer warnings with receipts attached, Senegal offers a live case study. In 2024, the incoming administration discovered that fiscal deficits had been materially underreported for years, with hidden shortfalls averaging 5.5% of GDP annually between 2019 and 2023. True public debt was revised to approximately 100% of GDP, and the IMF subsequently placed total public sector debt at 132% of GDP by end-2024. Senegal had not suddenly borrowed more. The full picture had simply, finally, been revealed.
The consequences for the banking system were immediate. Senegalese banks, long accustomed to holding government securities as their preferred asset class, found themselves sitting on paper whose creditworthiness was now in question, while simultaneously being called upon to absorb more of it. Senegal lost access to international capital markets; analysts described protecting the banking sector from sovereign debt restructuring as a “macro-financial imperative to prevent regional contagion.” Restructuring the debt without taking down the banks that held it became a near-impossible needle to thread.
Kenya’s situation differs in important respects: greater transparency, intact international market access, and a debt trajectory that, while strained, remains in a different league. But the structural warning is identical: a banking system that finances the sovereign at this scale has limited ability to act as a shock absorber if the sovereign story shifts. Senegal’s crisis was not inevitable. It was the product of quiet accumulation and deferred honesty.
Kenya’s banks and the Exchequer have built a relationship that works, until it doesn’t. The IMF’s warning is not a forecast of collapse; it is a structural observation. Breaking the loop requires deliberate policy choices: broadening the domestic investor base, growing private credit markets, and bringing the fiscal deficit down to reduce borrowing pressure. These are not quick fixes. But they are the right ones.
Until then, the banks and the government will remain very close friends. Senegal’s banks once thought the same. And the rest of us will be watching closely.