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

Japan vs Indonesia: population pyramids in 2028

2028Swap

JapanIndonesia

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.

Japan and Indonesia compared

In 2028, Japan has a population of 121.3 million and Indonesia 291 million; Indonesia is about 2.4 times the size of Japan.

The share aged 65 and over is 30.4% in Japan and 8.2% in Indonesia, 22.2 points higher in Japan. The median age is 51.7 years in Japan and 32.1 years in Indonesia.

The total fertility rate is 1.25 in Japan and 2.04 in Indonesia, both below the replacement level of about 2.1. Life expectancy at birth is 85.4 years in Japan and 71.9 years in Indonesia.

By 2050, the population of Japan is projected to shrink by 13.4% and that of Indonesia to grow by 10.1% compared with 2028.

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

Figures from 2024 are UN medium-variant projections.

Key figures (2028)

JapanIndonesia
Population121.3 million291 million
Aged 0–1410.8%23.3%
Aged 15–6458.8%68.5%
Aged 65+30.4%8.2%
Median age51.7 yrs32.1 yrs
Old-age dependency51.712.0
Total fertility rate1.252.04
Life expectancy85.4 yrs71.9 yrs
Population growth-0.59%+0.68%
Net migration (per year)+125,079-44,381
GDP$4.44T (2025)$1.45T (2025)
GDP per person$36K (2025)$5,060 (2025)
Unemployment2.5% (2025)3.2% (2025)

Economic figures are the latest year published for each country.

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