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

Japan vs Australia: population pyramids in 1951

1951Swap

JapanAustralia

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 Australia compared

In 1951, Japan has a population of 87.2 million and Australia 8.3 million; Japan is about 10 times the size of Australia.

The share aged 65 and over is 4.9% in Japan and 8.2% in Australia, 3.3 points higher in Australia. The median age is 22.4 years in Japan and 30.3 years in Australia.

The total fertility rate is 3.23 in Japan and 3.06 in Australia, both above the replacement level of about 2.1. Life expectancy at birth is 61.0 years in Japan and 68.7 years in Australia.

By 2050, the population of Japan is projected to grow by 20.5% and that of Australia to grow by 289.9% compared with 1951.

GDP per person is $36K in Japan (2025) and $65K in Australia (2025).

Key figures (1951)

JapanAustralia
Population87.2 million8.3 million
Aged 0–1435.1%26.9%
Aged 15–6460.0%65.0%
Aged 65+4.9%8.2%
Median age22.4 yrs30.3 yrs
Old-age dependency8.212.5
Total fertility rate3.233.06
Life expectancy61.0 yrs68.7 yrs
Population growth+1.50%+2.71%
Net migration (per year)-54,567+117,380
GDP$4.44T (2025)$1.8T (2025)
GDP per person$36K (2025)$65K (2025)
Unemployment2.5% (2025)4.1% (2025)

Economic figures are the latest year published for each country.

Compare other years