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

Japan vs Singapore: population pyramids in 2051

2051Swap

JapanSingapore

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.

Japan and Singapore compared

In 2051, Japan has a population of 104.4 million and Singapore 6.1 million; Japan is about 17 times the size of Singapore.

The share aged 65 and over is 37.3% in Japan and 27.0% in Singapore, 10.3 points higher in Japan. The median age is 53.5 years in Japan and 52.2 years in Singapore.

The total fertility rate is 1.35 in Japan and 1.16 in Singapore, both below the replacement level of about 2.1. Life expectancy at birth is 88.5 years in Japan and 87.2 years in Singapore.

GDP per person is $36K in Japan (2025) and $99K in Singapore (2025).

Figures from 2024 are UN medium-variant projections.

Key figures (2051)

JapanSingapore
Population104.4 million6.1 million
Aged 0–1411.3%9.0%
Aged 15–6451.4%64.0%
Aged 65+37.3%27.0%
Median age53.5 yrs52.2 yrs
Old-age dependency72.542.1
Total fertility rate1.351.16
Life expectancy88.5 yrs87.2 yrs
Population growth-0.64%-0.27%
Net migration (per year)+118,217+11,718
GDP$4.44T (2025)$604B (2025)
GDP per person$36K (2025)$99K (2025)
Unemployment2.5% (2025)2.8% (2025)

Economic figures are the latest year published for each country.

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