United Kingdom Population Pyramid 1955
United Kingdom in 1955
The population of the United Kingdom in 1955 was 51,176,747. The median age was 35.1 years, and for every 100 people of working age (15–64) there were 35.0 children under 15 and 17.2 people aged 65 or over.
The broad-based, expansive shape of the pyramid points to high fertility and strong population growth.
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 | 51,176,748 | 35.1 | |
| Sweden | 7,262,330 | 35.1 | |
| Denmark | 4,438,839 | 32.4 | |
| Finland | 4,235,197 | 28.0 | |
| Norway | 3,428,526 | 33.6 |





