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

Singapore vs Japan: population pyramids in 1981

1981Swap

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 1981, Singapore has a population of 2.5 million and Japan 118.7 million; Japan is about 48 times the size of Singapore.

The share aged 65 and over is 4.8% in Singapore and 9.2% in Japan, 4.4 points higher in Japan. The median age is 25.0 years in Singapore and 33.0 years in Japan.

The total fertility rate is 1.71 in Singapore and 1.72 in Japan, both below the replacement level of about 2.1. Life expectancy at birth is 71.8 years in Singapore and 76.6 years in Japan.

By 2050, the population of Singapore is projected to grow by 145.9% and that of Japan to shrink by 11.5% compared with 1981.

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

Key figures (1981)

SingaporeJapan
Population2.5 million118.7 million
Aged 0–1425.8%23.3%
Aged 15–6469.4%67.5%
Aged 65+4.8%9.2%
Median age25.0 yrs33.0 yrs
Old-age dependency6.813.6
Total fertility rate1.711.72
Life expectancy71.8 yrs76.6 yrs
Population growth+4.61%+0.43%
Net migration (per year)+85,869-278,525
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