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

Indonesia vs Japan: population pyramids in 2018

2018Swap

IndonesiaJapan

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.

Indonesia and Japan compared

In 2018, Indonesia has a population of 268.7 million and Japan 126.9 million; Indonesia is about 2.1 times the size of Japan.

The share aged 65 and over is 6.3% in Indonesia and 28.1% in Japan, 21.9 points higher in Japan. The median age is 29.5 years in Indonesia and 47.7 years in Japan.

The total fertility rate is 2.22 in Indonesia and 1.37 in Japan, so only Japan is below the replacement level of about 2.1. Life expectancy at birth is 70.1 years in Indonesia and 84.3 years in Japan.

By 2050, the population of Indonesia is projected to grow by 19.3% and that of Japan to shrink by 17.2% compared with 2018.

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

Key figures (2018)

IndonesiaJapan
Population268.7 million126.9 million
Aged 0–1426.5%12.6%
Aged 15–6467.3%59.3%
Aged 65+6.3%28.1%
Median age29.5 yrs47.7 yrs
Old-age dependency9.347.5
Total fertility rate2.221.37
Life expectancy70.1 yrs84.3 yrs
Population growth+0.95%-0.14%
Net migration (per year)-29,911+320,601
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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