More than two decades after African heads of state gathered in the Nigerian capital and pledged to spend 15 percent of their national budgets on health, a sweeping new analysis finds that the promise has been fulfilled by almost no one. In 2023, South Africa stood alone among the continent’s 54 countries at or above an expenditure-based version of the 15 percent benchmark. Just five countries had reached the target at least once since 2002, and only three managed to sustain it for three consecutive years or more. The study, published in PLOS Global Public Health, goes further than previous assessments by projecting each country’s fiscal trajectory decades into the future, and its conclusions are stark: under historical trends, the vast majority of African nations will not meet the Abuja Declaration target by 2063.
The research team, led by Alex Olateju Adjagba and colleagues spanning health economics institutions and African Union health bodies, assembled a panel dataset covering 2002 through 2023 for all 54 African Union member states, drawing on expenditure records from the World Health Organization and the World Bank. Rather than relying on stated budget allocations, which can diverge sharply from what governments actually disburse, the researchers constructed an expenditure-based proxy for the Abuja commitment. This distinction matters because approved budgets in many low-income countries are routinely revised downward, executed incompletely, or supplemented by off-budget donor flows that complicate any simple accounting of domestic priority.
The methodological architecture of the study is unusually layered. The authors distinguished three levels of achievement: observed attainment in a given year, first attainment at any point in the record, and sustained attainment across consecutive years. To characterize how long countries took to cross the threshold for the first time, they applied Kaplan-Meier survival analysis, a technique borrowed from clinical epidemiology that estimates the probability of an event occurring over time, paired with Weibull parametric models that flexibly describe the underlying hazard of attainment. Country-specific linear trends were then fitted to each nation’s spending history and extrapolated forward, generating projected benchmark-crossing years through 2063 for the 51 countries with complete data series.
The projections are sobering. In the primary trend specification, 42 of those 51 countries, or 82.4 percent, were classified as off track to reach the 15 percent benchmark by 2063, the horizon year of the African Union’s Agenda 2063 development framework. For the 48 countries that had never previously attained the target, the median adjusted conditional probability of achieving first attainment at any point between 2023 and 2063 was just 7.9 percent, with an interquartile range running from 4.6 percent to 13.3 percent. In plain terms, even the most optimistic quartile of countries faced less than a one-in-seven chance of ever crossing the line under business-as-usual fiscal behavior.
Why has the target proven so elusive? One answer lies in what the authors describe as strong persistence in health’s budget share. Using a system generalized method of moments estimator, a dynamic panel technique designed to handle feedback loops between past and present spending decisions, the team estimated a lag coefficient of 0.821, with a 95 percent confidence interval of 0.635 to 1.006. This means that a country’s health expenditure share in any given year is overwhelmingly determined by its share in the previous year. Fiscal priorities, once established, tend to lock in. Countries that start with health claiming a small slice of the budget rarely break out of that equilibrium on their own, and external shocks, elections, or donor campaigns produce only temporary deviations rather than lasting structural shifts.
The study also probed what the Abuja target actually buys. Using country and year fixed-effects models, which strip away time-invariant national characteristics and continent-wide shocks, the researchers examined the relationship between overall government health prioritization and spending on two critical fronts: primary health care and immunization. The results showed that higher prioritization was associated with higher domestic government expenditure per capita on primary health care, suggesting that when governments push health’s budget share upward, frontline services do benefit. The association with total immunization expenditure per capita, however, was not statistically significant, a finding that likely reflects the dominant role of external financing, particularly Gavi, the Vaccine Alliance, in funding immunization programs across much of the continent.
These nuances carry real policy weight. The Abuja Declaration, signed in April 2001 amid the HIV/AIDS crisis, was conceived as a political accountability device: a simple, memorable number that civil society, parliaments, and citizens could hold their governments to. The new analysis does not dismiss that function. The authors argue that the 15 percent target remains politically useful as an accountability signal. But they caution that the share itself is a means, not an end. A country can nominally meet the benchmark while still spending too little per person to deliver basic care, particularly if its overall economy and tax base are small. Conversely, a country below 15 percent may nonetheless achieve meaningful per capita health spending if fiscal capacity is strong.
That reframing points toward a different set of policy levers. The study’s authors argue that efforts should concentrate on improving public health expenditure per capita, expanding fiscal capacity through domestic revenue mobilization, strengthening budget execution so that allocated funds actually reach facilities, deepening financial protection so households are not impoverished by medical bills, and extending service coverage. Budget execution deserves particular emphasis: the gap between approved allocations and actual expenditure is a chronic weakness in many African public financial management systems, and an expenditure-based evaluation like this one captures the consequences of that gap in a way that allocation-based scorecards cannot.
The timing of the analysis is significant for another reason. With donor health financing under increasing pressure and many African countries approaching or crossing the thresholds at which they graduate from concessional support, the question of domestic priority has moved from the margins of development policy to its center. The study’s finding that expenditure shares are so persistent suggests that waiting for organic change is not a strategy. Deliberate institutional mechanisms, such as legal health financing floors, ring-fenced budget lines, and transparent expenditure tracking, may be required to shift countries off trajectories that currently point away from the benchmark for decades to come.
For a continent whose population is projected to roughly double by 2050 and whose burden of disease is shifting toward noncommunicable conditions even as infectious threats persist, the arithmetic of underinvestment compounds quickly. The Abuja Declaration was an aspiration born of crisis, and twenty-four years on, the evidence assembled by Adjagba and colleagues shows how rarely aspiration has translated into sustained fiscal commitment. Whether the next two decades look different will depend less on the number 15 itself than on whether governments can convert political pledges into executed budgets, executed budgets into per capita resources, and per capita resources into the primary health care and financial protection that their citizens increasingly demand.
Subject of Research: Progress toward the Abuja Declaration target of allocating 15 percent of government budgets to health in African countries
Article Title: Beyond aspiration: An expenditure-based evaluation of progress towards the Abuja Declaration target and implications for domestic health financing in Africa
Article References: Adjagba, A. O., Novignon, J., Nonvignon, J., Owusu, R., Lemango, E., Fogstad, H., Ngongo, N., Kaseya, J., & Laryea-Adjei, G. (2026). Beyond aspiration: An expenditure-based evaluation of progress towards the Abuja Declaration target and implications for domestic health financing in Africa. PLOS Global Public Health, 6(10), e0007423. https://doi.org/10.1371/journal.pgph.0007423
Image Credits: AI Generated
DOI: 10.1371/journal.pgph.0007423
Keywords: Abuja Declaration, health financing, African Union, government health expenditure, primary health care, immunization, fiscal capacity, budget execution, PLOS Global Public Health, Kaplan-Meier analysis, system GMM, domestic resource mobilization
News Source: Courtney Benton. (October 10, 2026). Two Decades After Abuja, Only One African Nation Meets the 15% Health Spending Pledge. Scienmag.
