United Kingdom Population Pyramid 1966
United Kingdom in 1966
In 1966, the United Kingdom had a total population of 54,676,344 people. A decade earlier, in 1956, the population was 51,400,459; it has grown by 6.4% since.
With a median age of 34.9 years, the United Kingdom had a youth dependency ratio of 36.7 and an old-age dependency ratio of 19.3 per 100 people of working age. The pyramid is stationary: cohort sizes are roughly even through the younger ages, reflecting fertility close to replacement level and slow population change.
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 | 54,676,344 | 34.9 | |
| Sweden | 7,805,593 | 36.0 | |
| Denmark | 4,797,207 | 32.6 | |
| Finland | 4,581,442 | 28.8 | |
| Norway | 3,752,789 | 33.9 |





