United Kingdom Population Pyramid 2025
United Kingdom in 2025
As of 2025, the United Kingdom counted 69,551,332 inhabitants. Over the previous ten years the population grew by 6.4%, up from 65,382,110 in 2015.
The median age was 41.1 years, and for every 100 people of working age (15–64) there were 26.8 children under 15 and 31.1 people aged 65 or over. This is a constrictive pyramid — its base is narrower than its middle, the signature of sustained low birth rates and population ageing.
Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.
The fertility rate of the United Kingdom was 1.56 births per woman in 2023, under the 2.1 needed to replace each generation.
Source: World Bank World Development Indicators, latest available year.
A child born there in 2023 could expect to live 81.2 years on average (83.2 years for girls, 79.4 for boys).
Source: World Bank World Development Indicators, latest available year.
8,730,397 immigrants live in United Kingdom, 12.6% of the population.
| India | 1,044,779 |
| Poland | 902,193 |
| Romania | 713,578 |
| Pakistan | 703,309 |
| Ireland | 360,446 |
4,751,880 people born in United Kingdom live in other countries.
| Australia | 1,107,102 |
| United States of America | 894,789 |
| Canada | 427,526 |
| Spain | 294,986 |
| Ireland | 293,559 |
Source: United Nations International Migrant Stock 2024.
| Country | Population | Median age | Relative size |
|---|---|---|---|
| United Kingdom | 69,551,332 | 41.1 | |
| Sweden | 10,656,633 | 41.3 | |
| Denmark | 6,002,507 | 42.3 | |
| Finland | 5,623,330 | 44.2 | |
| Norway | 5,623,071 | 40.9 |





