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

United Kingdom vs Japan: population pyramids in 1983

1983Swap

United KingdomJapan

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.

United Kingdom and Japan compared

In 1983, the United Kingdom has a population of 56.3 million and Japan 119.7 million; Japan is about 2.1 times the size of the United Kingdom.

The share aged 65 and over is 15.0% in the United Kingdom and 9.7% in Japan, 5.4 points higher in the United Kingdom. The median age is 34.9 years in the United Kingdom and 34.1 years in Japan.

The total fertility rate is 1.77 in the United Kingdom and 1.77 in Japan, both below the replacement level of about 2.1. Life expectancy at birth is 74.3 years in the United Kingdom and 77.1 years in Japan.

By 2050, the population of the United Kingdom is projected to grow by 34.0% and that of Japan to shrink by 12.3% compared with 1983.

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

Key figures (1983)

United KingdomJapan
Population56.3 million119.7 million
Aged 0–1420.0%22.8%
Aged 15–6465.0%67.5%
Aged 65+15.0%9.7%
Median age34.9 yrs34.1 yrs
Old-age dependency23.114.3
Total fertility rate1.771.77
Life expectancy74.3 yrs77.1 yrs
Population growth+0.15%+0.38%
Net migration (per year)+27,063-269,755
GDP$4T (2025)$4.44T (2025)
GDP per person$58K (2025)$36K (2025)
Unemployment4.8% (2025)2.5% (2025)

Economic figures are the latest year published for each country.

Compare other years