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

Indonesia vs Japan: population pyramids in 2027

2027Swap

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 2027, Indonesia has a population of 289 million and Japan 122 million; Indonesia is about 2.4 times the size of Japan.

The share aged 65 and over is 7.9% in Indonesia and 30.2% in Japan, 22.3 points higher in Japan. The median age is 31.8 years in Indonesia and 51.3 years in Japan.

The total fertility rate is 2.06 in Indonesia and 1.24 in Japan, both below the replacement level of about 2.1. Life expectancy at birth is 71.7 years in Indonesia and 85.3 years in Japan.

By 2050, the population of Indonesia is projected to grow by 10.9% and that of Japan to shrink by 13.9% compared with 2027.

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

Figures from 2024 are UN medium-variant projections.

Key figures (2027)

IndonesiaJapan
Population289 million122 million
Aged 0–1423.7%11.0%
Aged 15–6468.4%58.8%
Aged 65+7.9%30.2%
Median age31.8 yrs51.3 yrs
Old-age dependency11.651.4
Total fertility rate2.061.24
Life expectancy71.7 yrs85.3 yrs
Population growth+0.71%-0.58%
Net migration (per year)-41,139+127,401
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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