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

Japan vs Thailand: population pyramids in 2025

2025Swap

JapanThailand

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.

Japan and Thailand compared

In 2025, Japan has a population of 123.3 million and Thailand 71.6 million; Japan is about 1.7 times the size of Thailand.

The share aged 65 and over is 29.8% in Japan and 15.7% in Thailand, 14.2 points higher in Japan. The median age is 50.6 years in Japan and 41.3 years in Thailand.

The total fertility rate is 1.23 in Japan and 1.19 in Thailand, both below the replacement level of about 2.1. Life expectancy at birth is 85.0 years in Japan and 76.8 years in Thailand.

By 2050, the population of Japan is projected to shrink by 14.8% and that of Thailand to shrink by 7.2% compared with 2025.

GDP per person is $36K in Japan (2025) and $8,057 in Thailand (2025).

Figures from 2024 are UN medium-variant projections.

Key figures (2025)

JapanThailand
Population123.3 million71.6 million
Aged 0–1411.3%14.6%
Aged 15–6458.8%69.7%
Aged 65+29.8%15.7%
Median age50.6 yrs41.3 yrs
Old-age dependency50.722.5
Total fertility rate1.231.19
Life expectancy85.0 yrs76.8 yrs
Population growth-0.54%-0.07%
Net migration (per year)+140,579+27,509
GDP$4.44T (2025)$577B (2025)
GDP per person$36K (2025)$8,057 (2025)
Unemployment2.5% (2025)0.8% (2025)

Economic figures are the latest year published for each country.

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