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

Australia vs Japan: population pyramids in 2027

2027Swap

AustraliaJapan

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.

Australia and Japan compared

In 2027, Australia has a population of 27.3 million and Japan 122 million; Japan is about 4.5 times the size of Australia.

The share aged 65 and over is 18.6% in Australia and 30.2% in Japan, 11.6 points higher in Japan. The median age is 39.6 years in Australia and 51.3 years in Japan.

The total fertility rate is 1.64 in Australia and 1.24 in Japan, both below the replacement level of about 2.1. Life expectancy at birth is 84.5 years in Australia and 85.3 years in Japan.

By 2050, the population of Australia is projected to grow by 18.4% and that of Japan to shrink by 13.9% compared with 2027.

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

Figures from 2024 are UN medium-variant projections.

Key figures (2027)

AustraliaJapan
Population27.3 million122 million
Aged 0–1417.4%11.0%
Aged 15–6463.9%58.8%
Aged 65+18.6%30.2%
Median age39.6 yrs51.3 yrs
Old-age dependency29.151.4
Total fertility rate1.641.24
Life expectancy84.5 yrs85.3 yrs
Population growth+0.90%-0.58%
Net migration (per year)+134,684+127,401
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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