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

Australia vs Japan: population pyramids in 1984

1984Swap

AustraliaJapan

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.

Australia and Japan compared

In 1984, Australia has a population of 15.5 million and Japan 120.2 million; Japan is about 7.7 times the size of Australia.

The share aged 65 and over is 10.0% in Australia and 9.9% in Japan, almost the same. The median age is 30.3 years in Australia and 34.7 years in Japan.

The total fertility rate is 1.87 in Australia and 1.78 in Japan, both below the replacement level of about 2.1. Life expectancy at birth is 75.5 years in Australia and 77.5 years in Japan.

By 2050, the population of Australia is projected to grow by 108.7% and that of Japan to shrink by 12.6% compared with 1984.

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

Key figures (1984)

AustraliaJapan
Population15.5 million120.2 million
Aged 0–1424.2%22.4%
Aged 15–6465.8%67.7%
Aged 65+10.0%9.9%
Median age30.3 yrs34.7 yrs
Old-age dependency15.214.6
Total fertility rate1.871.78
Life expectancy75.5 yrs77.5 yrs
Population growth+1.31%+0.35%
Net migration (per year)+79,617-273,686
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.

Compare other years