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

Viet Nam vs Japan: population pyramids in 2021

2021Swap

Viet NamJapan

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.

Viet Nam and Japan compared

In 2021, Viet Nam has a population of 98.5 million and Japan 125.9 million; Japan is about 1.3 times the size of Viet Nam.

The share aged 65 and over is 7.7% in Viet Nam and 29.0% in Japan, 21.3 points higher in Japan. The median age is 32.2 years in Viet Nam and 48.9 years in Japan.

The total fertility rate is 1.94 in Viet Nam and 1.27 in Japan, both below the replacement level of about 2.1. Life expectancy at birth is 74.1 years in Viet Nam and 84.5 years in Japan.

By 2050, the population of Viet Nam is projected to grow by 11.6% and that of Japan to shrink by 16.6% compared with 2021.

GDP per person is $5,066 in Viet Nam (2025) and $36K in Japan (2025).

Key figures (2021)

Viet NamJapan
Population98.5 million125.9 million
Aged 0–1424.3%12.2%
Aged 15–6468.0%58.8%
Aged 65+7.7%29.0%
Median age32.2 yrs48.9 yrs
Old-age dependency11.449.3
Total fertility rate1.941.27
Life expectancy74.1 yrs84.5 yrs
Population growth+0.80%-0.56%
Net migration (per year)-5,418-34,996
GDP$515B (2025)$4.44T (2025)
GDP per person$5,066 (2025)$36K (2025)
Unemployment1.5% (2025)2.5% (2025)

Economic figures are the latest year published for each country.

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