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

Viet Nam vs Japan: population pyramids in 2045

2045Swap

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 2045, Viet Nam has a population of 109.6 million and Japan 108.6 million; the two are about the same size.

The share aged 65 and over is 17.4% in Viet Nam and 36.6% in Japan, 19.2 points higher in Japan. The median age is 39.9 years in Viet Nam and 53.9 years in Japan.

The total fertility rate is 1.76 in Viet Nam and 1.33 in Japan, both below the replacement level of about 2.1. Life expectancy at birth is 78.1 years in Viet Nam and 87.8 years in Japan.

By 2050, the population of Viet Nam is projected to grow by 0.4% and that of Japan to shrink by 3.3% compared with 2045.

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 (2045)

Viet NamJapan
Population109.6 million108.6 million
Aged 0–1417.4%10.9%
Aged 15–6465.2%52.5%
Aged 65+17.4%36.6%
Median age39.9 yrs53.9 yrs
Old-age dependency26.769.6
Total fertility rate1.761.33
Life expectancy78.1 yrs87.8 yrs
Population growth+0.15%-0.65%
Net migration (per year)-27,395+113,424
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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