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

Singapore vs Japan: population pyramids in 1975

1975Swap

SingaporeJapan

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.

Singapore and Japan compared

In 1975, Singapore has a population of 2.3 million and Japan 112.7 million; Japan is about 50 times the size of Singapore.

The share aged 65 and over is 3.9% in Singapore and 7.8% in Japan, 3.9 points higher in Japan. The median age is 21.7 years in Singapore and 30.6 years in Japan.

The total fertility rate is 2.08 in Singapore and 1.92 in Japan, both below the replacement level of about 2.1. Life expectancy at birth is 70.2 years in Singapore and 74.4 years in Japan.

By 2050, the population of Singapore is projected to grow by 170.1% and that of Japan to shrink by 6.8% compared with 1975.

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

Key figures (1975)

SingaporeJapan
Population2.3 million112.7 million
Aged 0–1433.1%23.8%
Aged 15–6463.0%68.4%
Aged 65+3.9%7.8%
Median age21.7 yrs30.6 yrs
Old-age dependency6.311.4
Total fertility rate2.081.92
Life expectancy70.2 yrs74.4 yrs
Population growth+1.44%+1.10%
Net migration (per year)+4,104+107
GDP$604B (2025)$4.44T (2025)
GDP per person$99K (2025)$36K (2025)
Unemployment2.8% (2025)2.5% (2025)

Economic figures are the latest year published for each country.

Compare other years