Deaths are set to exceed births in the UK every year from 2026 onwards, according to new projections from the Office for National Statistics, signalling a major demographic shift with significant economic and social implications.
The latest data shows the UK population will continue to grow in the short term but at a much slower pace than previously expected, largely driven by declining fertility rates and lower levels of migration.
Deaths to Surpass Births From 2026
The ONS projections indicate that over the next decade, the number of deaths will consistently outstrip the number of births, marking a turning point in the UK’s population trends.
Between mid-2024 and mid-2034, around 6.4 million births are expected compared with approximately 6.9 million deaths, creating a natural population decline of nearly half a million people.
Population growth during this period will therefore rely heavily on migration rather than natural increase, underlining the importance of immigration in shaping the UK’s demographic future.
Slower Population Growth and Future Decline
The UK population is now projected to reach around 71 million by 2034, but growth will be significantly slower than in previous decades.
Long-term projections suggest the population will peak in the 2050s before beginning to decline, a shift from earlier estimates that anticipated continued growth into the late 21st century.
Experts say the slowdown reflects changing social patterns, including people having fewer children and delaying parenthood.
Falling Migration After Post-Brexit Peak
Migration trends are also shifting, with net migration expected to contribute about 2.2 million people to the UK population between 2024 and 2034.
This is lower than earlier forecasts, as recent spikes in migration are now considered temporary rather than a sustained trend.
Government officials have signalled plans to further reduce migration levels through reforms aimed at limiting reliance on lower-paid overseas labour while attracting highly skilled workers.
Ageing Population Accelerates
One of the most significant changes highlighted in the projections is the rapid growth of the older population.
By 2034, pensioners are expected to account for around one-fifth of the UK population, making them the fastest-growing demographic group.
At the same time, the number of children is projected to fall by around 1.6 million, while the working-age population will grow more slowly than the number of retirees.
This imbalance is expected to place increasing pressure on public services and the economy.
Growing Strain on NHS and Public Finances
Experts warn that an ageing population will intensify demands on healthcare services, pensions and public spending.
Older populations typically require more medical care, and the rise in deaths is expected to increase pressure on end-of-life care services, which are already under strain.
At the same time, fewer working-age people relative to retirees could reduce tax revenues while increasing the cost of state pensions and social care.
Policy Challenges and Long-Term Risks
A recent House of Lords report has warned that younger generations may bear the greatest burden of these demographic changes, as governments struggle to adapt policies to an ageing society.
Traditional responses such as raising the state pension age or increasing immigration may not be sufficient on their own to address the scale of the challenge.
Experts are calling for a more comprehensive approach, including investment in healthcare, support for families, and reforms to the labour market to sustain economic growth.
Changing Demographics in the UK
The UK’s demographic landscape has been evolving for decades, with rising life expectancy and falling birth rates reshaping the population structure.
Similar trends are being observed across many developed countries, where ageing populations are becoming a central policy concern.
The latest projections reinforce the urgency of addressing these changes, as the balance between births, deaths and migration continues to shift.
As the UK enters a period where deaths consistently outnumber births, policymakers face increasing pressure to ensure that economic stability, public services and social support systems can adapt to a rapidly changing population.