Demography Is Becoming Europe’s New Political Fault Line

The leader of the Dutch Party for Freedom, Geert Wilders, has once again placed migration and demographic change at the centre of Europe’s political debate. In a column published on 14 August, Wilders argued that Europe should be more concerned about demographic change than climate change. In his view, shifts in the structure of the population are already affecting the economy, social norms and political decisions across Western Europe.

His argument goes well beyond migration policy. Wilders presents demographic change as a long-term process capable of reshaping Europe’s political architecture. He links the growing share of people with a migration background to questions of integration, security, religion and the future of European identity. This is where demography stops being merely a statistical issue and becomes a political instrument.

Europe’s problem goes far beyond migration

Europe is undergoing a fundamental demographic transformation, but its causes cannot be reduced to migration alone. An ageing population, low birth rates, longer life expectancy and movement between countries are simultaneously changing the structure of European societies.

This creates a difficult dilemma for governments. European economies need workers as the share of the working-age population declines, while pension systems and healthcare are facing growing pressure. At the same time, rapid increases in migration can place additional strain on housing, schools, municipal services and integration systems.

The real European debate, therefore, is not a simple choice between migration and demography. The question is what kind of migration Europe can integrate, at what scale, and what policies are needed to address declining birth rates and population ageing at home.

The Netherlands illustrates the complexity

Wilders has placed particular emphasis on the Netherlands, arguing that changes in the country’s religious and cultural composition are becoming increasingly significant.

Official statistics, however, reveal a more complex picture. According to Statistics Netherlands, in 2025, 42% of people aged 15 and over said they belonged to a particular religious or philosophical group. Muslims accounted for 6%, while 58% described themselves as non-religious. In 2010, Muslims accounted for 5%, while 45% of the population identified as non-religious.

The figures among younger people are particularly revealing. In 2024, 13.4% of people aged 18 to 25 identified as Muslim, while 67.5% of this age group did not identify with any religious group.

This means that generational change in the Netherlands is not simply about the growth of one religious community. It is also about the large-scale secularisation of Dutch society. Europe is not only becoming more diverse — it is also becoming less religious.

From statistics to political mobilisation

This uncertainty makes demography one of the most politically powerful issues of the coming decade. For right-wing populist parties, demographic change has become an argument against the current migration model.

Their position is that simply increasing the number of working-age people through immigration is not enough. Governments should control their borders, determine the scale of migration and require newcomers to integrate into society.

Wilders goes further by linking demographic transformation to the future of European culture and politics. In his interpretation, changes in the population gradually change the electorate and, consequently, the political priorities of states. He has linked demographic developments in the Netherlands to changes in the country’s position on Israel and the war in Gaza.

This is no longer simply a debate about the number of migrants. It is a dispute over who will shape Europe’s political priorities 20 or 30 years from now.

Climate and demography cannot simply be set against each other

The most controversial part of Wilders’ argument is his decision to contrast demographic and climate threats. Europe cannot afford to choose only one risk.

Climate change is already affecting agriculture, energy systems, infrastructure and cities, while demographic change is shaping the future of labour markets, welfare systems and politics.

The two processes also intersect. Climate pressures can contribute to population displacement, while demographic ageing affects governments’ capacity to finance adaptation to climate risks. Migration, in turn, can partly compensate for labour shortages, but it also requires substantial investment in integration.

The central challenge for Europe, therefore, is not to decide which problem is the “real” one. It is to develop the capacity to manage several long-term pressures at the same time.

Demographic policy is becoming part of the struggle over Europe’s future

Wilders’ intervention is significant primarily because it demonstrates a shift in the political agenda. Until recently, demography was largely a subject for statisticians, economists and social policy experts. It is now increasingly becoming an issue of political identity.

For centrist governments, this creates a difficult balancing act. They must support economies that need workers, control irregular migration, ensure integration and respond to voters’ concerns about cultural change.

For right-wing parties, demographic change opens up a broader political space — one that allows them to talk not only about borders, but about what Europe itself will look like in the future.