World Population PyramidsPopulation pyramids and indicators by country and year日本語

Japan vs United Kingdom: population pyramids in 1951

1951Swap

JapanUnited Kingdom

1.5%1%0.5%0%0.5%1%1.5%0102030405060708090100MaleFemale

Each bar is the share of the total population at that single year of age (men left, women right), so countries of different sizes can be compared.

Japan and United Kingdom compared

In 1951, Japan has a population of 87.2 million and the United Kingdom 50.3 million; Japan is about 1.7 times the size of the United Kingdom.

The share aged 65 and over is 4.9% in Japan and 10.9% in the United Kingdom, 6.0 points higher in the United Kingdom. The median age is 22.4 years in Japan and 34.9 years in the United Kingdom.

The total fertility rate is 3.23 in Japan and 2.19 in the United Kingdom, both above the replacement level of about 2.1. Life expectancy at birth is 61.0 years in Japan and 68.2 years in the United Kingdom.

By 2050, the population of Japan is projected to grow by 20.5% and that of the United Kingdom to grow by 49.9% compared with 1951.

GDP per person is $36K in Japan (2025) and $58K in the United Kingdom (2025).

Key figures (1951)

JapanUnited Kingdom
Population87.2 million50.3 million
Aged 0–1435.1%22.5%
Aged 15–6460.0%66.6%
Aged 65+4.9%10.9%
Median age22.4 yrs34.9 yrs
Old-age dependency8.216.3
Total fertility rate3.232.19
Life expectancy61.0 yrs68.2 yrs
Population growth+1.50%+0.14%
Net migration (per year)-54,567-93,691
GDP$4.44T (2025)$4T (2025)
GDP per person$36K (2025)$58K (2025)
Unemployment2.5% (2025)4.8% (2025)

Economic figures are the latest year published for each country.

Compare other years