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

Japan vs Australia: population pyramids in 2009

2009Swap

JapanAustralia

1%0.75%0.5%0.25%0%0.25%0.5%0.75%1%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 2009, Japan has a population of 128.1 million and Australia 21.6 million; Japan is about 5.9 times the size of Australia.

The share aged 65 and over is 22.5% in Japan and 13.2% in Australia, 9.3 points higher in Japan. The median age is 44.7 years in Japan and 36.9 years in Australia.

The total fertility rate is 1.33 in Japan and 1.97 in Australia, both below the replacement level of about 2.1. Life expectancy at birth is 83.0 years in Japan and 81.7 years in Australia.

By 2050, the population of Japan is projected to shrink by 18.0% and that of Australia to grow by 50.0% compared with 2009.

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

Key figures (2009)

JapanAustralia
Population128.1 million21.6 million
Aged 0–1413.5%19.2%
Aged 15–6464.0%67.5%
Aged 65+22.5%13.2%
Median age44.7 yrs36.9 yrs
Old-age dependency35.219.6
Total fertility rate1.331.97
Life expectancy83.0 yrs81.7 yrs
Population growth+0.02%+1.80%
Net migration (per year)+125,450+235,628
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.

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