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

Indonesia vs Japan: population pyramids in 1981

1981Swap

IndonesiaJapan

2%1.5%1%0.5%0%0.5%1%1.5%2%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.

Indonesia and Japan compared

In 1981, Indonesia has a population of 150.7 million and Japan 118.7 million; Indonesia is about 1.3 times the size of Japan.

The share aged 65 and over is 3.7% in Indonesia and 9.2% in Japan, 5.5 points higher in Japan. The median age is 19.4 years in Indonesia and 33.0 years in Japan.

The total fertility rate is 4.36 in Indonesia and 1.72 in Japan, so only Japan is below the replacement level of about 2.1. Life expectancy at birth is 59.1 years in Indonesia and 76.6 years in Japan.

By 2050, the population of Indonesia is projected to grow by 112.6% and that of Japan to shrink by 11.5% compared with 1981.

GDP per person is $5,060 in Indonesia (2025) and $36K in Japan (2025).

Key figures (1981)

IndonesiaJapan
Population150.7 million118.7 million
Aged 0–1440.4%23.3%
Aged 15–6455.9%67.5%
Aged 65+3.7%9.2%
Median age19.4 yrs33.0 yrs
Old-age dependency6.613.6
Total fertility rate4.361.72
Life expectancy59.1 yrs76.6 yrs
Population growth+2.32%+0.43%
Net migration (per year)+44,710-278,525
GDP$1.45T (2025)$4.44T (2025)
GDP per person$5,060 (2025)$36K (2025)
Unemployment3.2% (2025)2.5% (2025)

Economic figures are the latest year published for each country.

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