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

Australia vs Japan: population pyramids in 2078

2078Swap

AustraliaJapan

0.8%0.6%0.4%0.2%0%0.2%0.4%0.6%0.8%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.

Australia and Japan compared

In 2078, Australia has a population of 38.1 million and Japan 85.2 million; Japan is about 2.2 times the size of Australia.

The share aged 65 and over is 26.7% in Australia and 36.7% in Japan, 10.0 points higher in Japan. The median age is 44.8 years in Australia and 53.6 years in Japan.

The total fertility rate is 1.63 in Australia and 1.44 in Japan, both below the replacement level of about 2.1. Life expectancy at birth is 90.3 years in Australia and 91.8 years in Japan.

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

Figures from 2024 are UN medium-variant projections.

Key figures (2078)

AustraliaJapan
Population38.1 million85.2 million
Aged 0–1415.1%11.6%
Aged 15–6458.2%51.7%
Aged 65+26.7%36.7%
Median age44.8 yrs53.6 yrs
Old-age dependency45.971.0
Total fertility rate1.631.44
Life expectancy90.3 yrs91.8 yrs
Population growth+0.55%-0.60%
Net migration (per year)+195,844+92,644
GDP$1.8T (2025)$4.44T (2025)
GDP per person$65K (2025)$36K (2025)
Unemployment4.1% (2025)2.5% (2025)

Economic figures are the latest year published for each country.

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