Saving Lives, Stunting Nations? The Hidden Trade-Off of Foreign Aid

Peter Sels

Image: Speak Media Uganda / Pexels.

The conversation over foreign aid has long been fought between two camps: idealists who see it as a lifesaver for the world's poorest people, and sceptics like Dambisa Moyo, who argue it has trapped the developing world in a never-ending cycle of dependency. Both are asking the wrong question.

The numbers critics use are misleading

Moyo’s central charge – that foreign aid has failed in Africa rests heavily on stagnant GDP figures. But GDP is a blunt instrument of measuring human progress. During the very decades she points to as evidence of failure, life expectancy across Sub-Saharan Africa rose by 20%, meaning people lived on average a decade longer than before large-scale aid arrived. Research also has shown that doubling per capita health aid is associated with roughly a 2% reduction in infant mortality, with long term effects well after aid was withdrawn.

However, these gains do not appear in GDP figures. A more transparent way of measuring growth is the Multidimensional Poverty Index (MPI) - a measure that tracks health and education simultaneously. This evidence does not so much disprove Moyo’s critique as expose the limitations of the metric she relies upon 

The economic case against aid is also weaker than its critics like to claim. Break aid down by type - separating emergency relief from longer - term investments in infrastructure and agriculture- and the picture shifts considerably. Economists Clemens, Radelet and Bhavnani found that aid targeted at early-impact programmes generates around 1.64% in increased income for every dollar spent, a return of roughly 13% at the project level, covering nearly half of all aid flows. But there is something quietly circular about judging aid against a domestic alternative that it itself is far from efficient. The IMF estimates that low-income countries lose around 40% of the potential value of their own public investment simply through institutional failures. The bar aid is being held to is one that domestic systems routinely fail to clear.  

The importance of governance

The critical factor determining the effects of aid is not the amount as many think but the institutional capacity of the government receiving it.

Rwanda and the Democratic Republic of Congo received comparable volumes of aid over similar periods following the 1990s. Rwanda negotiated its conditionality terms, invested aid receipts into domestic revenue infrastructure, and treated external assistance as a transitional resource. Its tax-to-GDP ratio rose from 9% to 16%. These choices cemented the nation as the poster child of the successes of foreign aid and led it to be the fourth most attractive country to invest in 2021. In contrast the DRC, distinguished by corruption and fragmented state authority, watched the same money bypass productive investment entirely, reinforcing the power of governing elites rather than building state capacity. 

The contrast does not condemn aid as a tool but reframes the question. The problem is rarely how much aid a country receives. It is whether the state has the institutional architecture to build upon the aid and convert external resources into lasting domestic capacity

The deeper problem 

Even well governed states are not immune to what might be called the Magna Carta problem. The historical precedent is instructive; government accountability tends to emerge when rulers depend on their citizens for revenue. Taxation should not be looked at merely as a fiscal instrument, but as a foundational political transaction between citizens and state. When governments are funded by aid rather than taxes, that transaction disappears.

Research by Moss, Patterson and Van de Walle found that no country receiving aid above 10% of gross national income has ever achieved tax revenues associated with strong and accountable governance. For example, Tanzania's periods of high aid dependency coincided with significant reductions in tax collections. This was not due to corruption; instead, the government had the ability to avoid the political friction taxation necessarily creates.

Aid does not need to be stolen or wasted to damage a country's development. It only needs to be permanent. When states are not dependent on their citizens for taxation, they stop being accountable. This results in the poorest, who depend most heavily on public services, suffering the cost of the unaccountability the most significantly.

Image: Speak Media Uganda / Pexels.

The USAID lesson

The abrupt cancellation of USAID funding in 2025, without a transitional framework or handover mechanisms illustrates a different but equally serious failure. Aid ending as abandonment, rather than planned obsolescence, collapsed HIV treatment programmes and severed supply chains where domestic institutions had not yet been rebuilt to replace them.

This shows the full shape of the problem. Aid that never ends corrodes accountability. Aid that ends without building what replaces it causes a different kind of harm to the same people.

A conditional framework, not a binary answer 

The lesson of Rwanda is not that aid works and the lesson of the DRC is not that it doesn’t. The lesson of both is that aid’s impact is determined entirely by what it builds on its way out. Where it strengthens domestic institutions, tax systems and civic accountability, it can be a genuine bridge to sovereignty. Where it substitutes for those things indefinitely, it quietly removes the pressure that leads to an accountable government . 

Redesigning aid means asking different questions at the outset - not how much to give, but what should exist when the giving stops. Until that becomes the organising principle, governments across the developing world will continue to face outward towards donors rather than inwards towards the citizens on whose taxes a truly sovereign state must ultimately be built.