Health systems in low- and middle-income countries depend on a mix of domestic spending and international support. The domestic share has grown, and external financing has become less predictable, with several large donors reorienting their budgets. The result is a funding squeeze at a time when demand for health services is rising.
The squeeze matters because health spending is difficult to cut without consequences that appear later.
Where the money comes from
Domestic government spending is the largest source for most countries, followed by households paying out of pocket and external donors. Each source behaves differently. Domestic budgets depend on tax revenue, household spending depends on income, and external support depends on donor priorities.
Why external funding matters
External money is a modest share of total health spending globally and a large share in some countries, particularly for specific programmes such as immunisation, HIV and malaria. Where a programme depends on a single donor, a decision made elsewhere can disrupt services that took years to build.
As countries grow richer, they are expected to finance more of their own health spending. That transition is difficult where the economy is volatile and the tax base is narrow. A sudden withdrawal of support can leave a gap that domestic revenue cannot fill quickly.
Out-of-pocket costs
When public spending falls short, households pay more. Out-of-pocket payments push people into poverty and discourage them from seeking care, which makes early treatment less likely and later costs higher. Reducing these payments is a central goal of universal health coverage.
More money is not the only answer. How it is spent matters: primary care, essential medicines and prevention tend to deliver more health per dollar than specialised services. Shifting spending toward these areas is politically difficult because existing budgets have beneficiaries.
What to watch
The indicators worth following are domestic health spending as a share of the budget, out-of-pocket costs and the stability of external support. Those figures show whether systems are becoming more resilient or more exposed.
Private clinics and pharmacies provide a large share of care in many countries, often with uneven quality and cost. Regulating them, and integrating them with public systems, is part of how health financing is organised. Where the private sector is unregulated, households can pay more for less reliable care.
How countries reform
Health financing reforms tend to follow a similar path: pool money to spread risk, define a package of covered services, and pay providers in ways that reward results. Each step is politically contested, and progress is often incremental. Countries that have expanded coverage usually did so over years rather than in a single reform.
Health spending competes with education, infrastructure and defence for scarce public money. Advocacy for health is strong, and so are the claims of other sectors. The outcome depends on political priorities as much as on evidence about returns, which is why financing gaps persist even where the case for spending is well established.
The role of global funds
Global health funds pool donor money and direct it to specific diseases and countries. They have delivered results in immunisation, HIV and malaria, and they have also been criticised for vertical programmes that sit outside national systems. Integrating them with domestic health financing is an ongoing challenge.
Health financing data is often incomplete, particularly on private and out-of-pocket spending. Without accurate figures, it is difficult to know whether a system is improving or merely shifting costs. Better national health accounts would make the trade-offs visible, and many countries lack the capacity to produce them.
The role of national budgets
Health is usually one of the largest items in a national budget, alongside education and defence, and it competes with them directly. Finance ministries tend to favour spending that produces visible results within a political cycle, which disadvantages prevention and primary care even though they deliver more health per unit of spending. Changing that bias requires evidence, advocacy and, often, a fiscal crisis to force the issue. Countries that have protected health budgets through downturns tend to have strong domestic institutions and broad political support for public services, which are difficult to build quickly.
Expanding health financing usually means raising more revenue, pooling it more broadly and spending it more efficiently, all at once. Countries that have made progress often started with a single reform, such as removing user fees or expanding insurance, and built on it. The sequence matters less than the direction, and the political commitment to sustain it over a decade matters more than any single measure.
For households, the practical effect of health financing decisions is simple: whether care is affordable when it is needed. That question, rather than any budget line, is the measure that matters most to the people a health system serves.
This report draws on the World Health Organization and the World Bank’s health financing work.
Image: Jennifer Aldridge, U.S. Army Corps of Engineers · Public domain · via Wikimedia Commons.