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

Viet Nam vs Japan: population pyramids in 2025

2025Swap

Viet NamJapan

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.

Viet Nam and Japan compared

In 2025, Viet Nam has a population of 101.3 million and Japan 123.3 million; Japan is about 1.2 times the size of Viet Nam.

The share aged 65 and over is 9.3% in Viet Nam and 29.8% in Japan, 20.6 points higher in Japan. The median age is 34.2 years in Viet Nam and 50.6 years in Japan.

The total fertility rate is 1.88 in Viet Nam and 1.23 in Japan, both below the replacement level of about 2.1. Life expectancy at birth is 74.9 years in Viet Nam and 85.0 years in Japan.

By 2050, the population of Viet Nam is projected to grow by 8.6% and that of Japan to shrink by 14.8% compared with 2025.

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

Figures from 2024 are UN medium-variant projections.

Key figures (2025)

Viet NamJapan
Population101.3 million123.3 million
Aged 0–1423.0%11.3%
Aged 15–6467.7%58.8%
Aged 65+9.3%29.8%
Median age34.2 yrs50.6 yrs
Old-age dependency13.750.7
Total fertility rate1.881.23
Life expectancy74.9 yrs85.0 yrs
Population growth+0.59%-0.54%
Net migration (per year)-48,171+140,579
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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