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

Japan vs Australia: population pyramids in 1975

1975Swap

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 1975, Japan has a population of 112.7 million and Australia 13.8 million; Japan is about 8.2 times the size of Australia.

The share aged 65 and over is 7.8% in Japan and 8.6% in Australia, 0.8 points higher in Australia. The median age is 30.6 years in Japan and 28.0 years in Australia.

The total fertility rate is 1.92 in Japan and 2.21 in Australia, so only Japan is below the replacement level of about 2.1. Life expectancy at birth is 74.4 years in Japan and 72.8 years in Australia.

By 2050, the population of Japan is projected to shrink by 6.8% and that of Australia to grow by 134.4% compared with 1975.

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

Key figures (1975)

JapanAustralia
Population112.7 million13.8 million
Aged 0–1423.8%27.7%
Aged 15–6468.4%63.7%
Aged 65+7.8%8.6%
Median age30.6 yrs28.0 yrs
Old-age dependency11.413.5
Total fertility rate1.922.21
Life expectancy74.4 yrs72.8 yrs
Population growth+1.10%+1.13%
Net migration (per year)+107+25,336
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