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

Thailand vs Japan: population pyramids in 1958

1958Swap

ThailandJapan

3%2%1%0%1%2%3%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.

Thailand and Japan compared

In 1958, Thailand has a population of 25 million and Japan 94.5 million; Japan is about 3.8 times the size of Thailand.

The share aged 65 and over is 2.9% in Thailand and 5.4% in Japan, 2.6 points higher in Japan. The median age is 18.3 years in Thailand and 24.7 years in Japan.

The total fertility rate is 6.35 in Thailand and 2.10 in Japan, both above the replacement level of about 2.1. Life expectancy at birth is 49.5 years in Thailand and 67.0 years in Japan.

By 2050, the population of Thailand is projected to grow by 165.8% and that of Japan to grow by 11.2% compared with 1958.

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

Key figures (1958)

ThailandJapan
Population25 million94.5 million
Aged 0–1443.4%31.2%
Aged 15–6453.7%63.4%
Aged 65+2.9%5.4%
Median age18.3 yrs24.7 yrs
Old-age dependency5.48.6
Total fertility rate6.352.10
Life expectancy49.5 yrs67.0 yrs
Population growth+2.74%+0.82%
Net migration (per year)-27,740-229,568
GDP$577B (2025)$4.44T (2025)
GDP per person$8,057 (2025)$36K (2025)
Unemployment0.8% (2025)2.5% (2025)

Economic figures are the latest year published for each country.

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