Population Growth Policies: Comparing Developed vs. Developing Nations

Every country on Earth is dealing with population change – but not in the same way. Some nations are worried about too few babies being born, while others are struggling to provide basic services to rapidly growing populations. These opposing realities shape very different government policies on population growth, aging, and how people are spread across a country’s territory. The UN World Population Policies 2015 report offers one of the most comprehensive snapshots of how governments worldwide approach these demographic challenges – and the contrasts are striking.

Global trends in population growth policies 🔗

The way governments think about population growth depends heavily on their level of economic development. According to the UN World Population Policies 2015 report, 45% of governments in more developed regions had policies aimed at raising their rate of population growth, while only 2% sought to lower it. The picture in less developed regions was almost the reverse: 50% of governments had policies to reduce population growth, and just 10% were trying to increase it.

This divide is not random. Developed nations – particularly in Europe, East Asia, and parts of North America – face declining birth rates, shrinking workforces, and the economic consequences of population decline. Countries like Japan, South Korea, and Germany have introduced financial incentives for families, expanded parental leave, and created child-care subsidies to encourage higher birth rates. Japan’s total fertility rate, for example, has hovered well below the replacement level of 2.1 children per woman for decades, prompting aggressive pro-natalist policies.

On the other end, developing countries – especially those in sub-Saharan Africa and South Asia – confront the pressures of rapid population growth. More than 9 out of 10 governments among the least developed countries had active policies to lower growth rates, as documented in the UN WPP 2015 Highlights. These policies typically include expanding access to family planning services, improving education (especially for girls), and running awareness campaigns about smaller family sizes.

Why the gap exists 🔗

The contrast is rooted in where each group of countries stands in the demographic transition – the well-documented shift from high birth and death rates to low ones that accompanies economic development. Most developed countries have completed this transition and are now dealing with its consequences: fewer young people entering the workforce and a growing elderly population. Developing countries, particularly the least developed, are still in the earlier stages where high fertility persists alongside falling mortality rates, resulting in rapid population growth.

It is worth noting that this policy landscape has been shifting over time. Between 1996 and 2015, the share of developed-country governments with policies to raise population growth nearly doubled – from 23% to 45%. In less developed regions, the share of governments trying to lower growth remained relatively stable at around 50% throughout the same period.

Population aging as a global challenge 🔗

Population aging is no longer just a developed-world problem – it is becoming a universal concern. The UN report found that in 2015, 54% of governments worldwide considered population aging a major concern. However, the intensity of that concern varied significantly: 88% of governments in more developed regions flagged it as a major issue, compared to 42% in less developed regions.

This difference reflects demographic realities. In 2015, 12% of the global population – roughly 901 million people – were aged 60 or over, with Europe leading at 24%. But aging is accelerating everywhere. By 2050, projections suggest that nearly a quarter of the population in every major world region except Africa will be aged 60 or over.

The concern in developed countries has also intensified over time. Between 2005 and 2015, the proportion of developed-country governments considering aging a major concern rose from 76% to 88%. In less developed regions, the figure barely changed – from 43% to 42% – although the underlying demographic shift is very much underway there too.

Why developing countries should pay closer attention 🔗

While aging is currently more advanced in richer nations, the pace of change will be faster in the developing world. Asia’s median age is projected to rise from 28 to 40 years by mid-century, and Latin America’s from 26 to 40, according to UN analysis. China alone is expected to have roughly 430 million retirees by 2050. Even Africa, with its large youth population, will see its median age rise from 19 to 28 years.

The challenge for developing countries is that this shift is happening at much lower levels of economic development than what Europe or Japan experienced. As the Population Reference Bureau has noted, developing countries face a narrowing window of opportunity – a period when working-age adults still outnumber dependents – to build formal systems of old-age support before the demographic pressure hits full force.

Policy measures for addressing population aging 🔗

Governments have adopted a range of strategies to address the consequences of aging populations. The UN report tracked four key policy measures implemented in the five years preceding 2015, and the data reveals meaningful differences in adoption rates.

At the global level, 62 countries (32%) raised their minimum retirement age, 61 countries (32%) increased social security contributions from workers, 58 countries (30%) introduced or enhanced non-contributory old-age pensions, and 45 countries (23%) promoted private retirement savings schemes. Around a third of all governments had not adopted any of these measures.

Developed nations lead in policy adoption 🔗

Approximately 85% of developed countries had adopted at least one aging-related policy measure, compared to about 62% of developing countries. This gap highlights the different levels of institutional capacity and fiscal resources available. Developed countries tend to have more established pension systems and social safety nets that can be reformed and expanded. Many have focused on raising retirement ages and adjusting contribution rates to keep existing systems solvent.

For example, many European nations have gradually increased the statutory retirement age in response to rising life expectancy. The IMF has pointed out that in advanced economies, both private and public savings are projected to decline as pension spending increases, making reform urgent for younger workers to enjoy benefits comparable to today’s retirees.

Developing countries face unique barriers 🔗

In the developing world, the picture is more complex. Traditional employment-based pension systems do not cover most informal sector workers, who can account for two-thirds or more of the working-age population in some regions. As the World Bank has highlighted, even among those with formal sector jobs, pension coverage has been declining for workers who entered the workforce since 1990.

Non-contributory or social pensions – cash transfers paid to elderly citizens regardless of their work history – have emerged as an important solution. Countries like Botswana, Mauritius, Nepal, and Lesotho have established universal social pension plans. Bangladesh and Thailand have implemented similar old-age allowances. These programmes have proven effective at reducing poverty among the elderly, even in very low-income settings.

Still, challenges remain. Most developing countries lack the fiscal resources, administrative infrastructure, and political stability needed to provide wide pension coverage, particularly where large proportions of workers are in agriculture, self-employment, or the informal sector.

Spatial distribution of population: an overlooked challenge 🔗

While population growth and aging attract significant policy attention, the spatial distribution of population – where people live within a country – has received comparatively less focus despite its critical importance for sustainable development. Still, the UN report found that a large majority of governments (81%) had implemented specific strategies or policies to influence how their populations are distributed geographically.

Approximately 72% of countries worldwide had adopted rural-to-urban migration policies. This is consistent with broader trends – the UN Population Policies report noted that among 185 countries with data in 2013, 80% had policies to manage rural-to-urban migration, up from 38% in 1996. This reflects the reality that rapid urbanisation, particularly in the developing world, creates enormous pressure on cities while leaving rural areas depleted of working-age populations.

Developing vs. developed: different priorities 🔗

Here too, the divide between developed and developing nations is clear. Developing nations (78%) showed greater concern about the spatial distribution of economic activity compared to developed countries (51%). This is unsurprising – in many developing countries, economic opportunities and public services are heavily concentrated in one or two major cities, creating stark regional inequalities.

The regional differences are even more telling. Only 14% of European governments had implemented policies for decentralising population away from major cities, compared to 70% of Asian governments. Asian countries like China, India, and Indonesia, which have massive rural populations and rapidly growing megacities, have been far more active in trying to redirect population flows and economic activity to secondary cities and rural areas.

Environmental relocation and climate considerations 🔗

Environmental relocation policies – which involve moving populations away from areas vulnerable to environmental degradation, natural disasters, or climate change impacts – present another area of divergence. About 24% of developing nations had adopted such policies, compared to only 11% of developed countries. This gap reflects the fact that developing countries, particularly in South and Southeast Asia, the Pacific Islands, and parts of Africa, are disproportionately affected by climate-related displacement.

Rising sea levels, increasing frequency of extreme weather events, and environmental degradation are forcing governments to consider the planned relocation of vulnerable communities. While this is still a relatively rare policy measure globally, it is likely to become far more significant in the coming decades as climate change impacts intensify.

The bigger picture: why these policies matter for sustainability 🔗

Population growth, aging, and spatial distribution are not standalone policy issues – they are deeply interconnected with the 2030 Agenda for Sustainable Development. A country’s ability to provide healthcare, education, clean water, and decent work for its citizens depends fundamentally on how many people it has, how old they are, and where they live.

Rapid population growth in the least developed countries strains already limited resources. Population aging in developed nations threatens the fiscal sustainability of pension and healthcare systems. And unmanaged rural-to-urban migration creates overcrowded cities with inadequate infrastructure while hollowing out rural economies.

What the UN World Population Policies 2015 report makes clear is that there is no one-size-fits-all approach to demographic policy. Countries at different stages of development face fundamentally different challenges and must design policies that fit their specific contexts. However, the data also shows that too many countries – particularly in the developing world – are not yet adequately prepared for the demographic shifts that are already underway.

Lessons from the data 🔗

Several key takeaways emerge from this global comparison. First, proactive policy design matters. Developed countries that invested early in pension systems and retirement frameworks are better positioned – though still facing challenges – than developing countries that must now build these systems from scratch amid rapid demographic change. Second, spatial planning deserves more attention. While most governments have some form of migration or distribution policy, the evidence suggests these are often reactive rather than strategic. Third, cross-learning between nations is valuable. Developing countries can learn from both the successes and the mistakes of developed nations in managing demographic transitions, while developed nations can draw insights from the innovative social protection models emerging in lower-income contexts.

What do you think? Should developing countries prioritise building pension systems now – even at lower levels of economic development – or focus resources on other development goals first? And as climate change intensifies, how should governments balance environmental relocation policies with people’s right to remain in their communities?

References

1. https://www.un.org/development/desa/pd/content/world-population-policies-2015
2. https://www.un.org/development/desa/pd/sites/www.un.org.development.desa.pd/files/wpp2015_highlights.pdf
3. https://www.un.org/en/development/desa/publications/world-population-prospects-2015-revision.html
4. https://www.un.org/esa/socdev/media/articles/artapr07.html
5. https://www.prb.org/resources/a-critical-window-for-policymaking-on-population-aging-in-developing-countries/
6. https://www.imf.org/en/publications/fandd/issues/2020/03/impact-of-aging-on-pensions-and-public-policy-gaspar
7. https://blogs.worldbank.org/en/voices/can-developing-countries-increase-pension-coverage-prepare-old-age