Viet Nam vs Thailand: population pyramids in 1955
Viet NamThailand
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 Thailand compared
In 1955, Viet Nam has a population of 27.8 million and Thailand 23 million; Viet Nam is about 1.2 times the size of Thailand.
The share aged 65 and over is 4.5% in Viet Nam and 3.0% in Thailand, 1.5 points higher in Viet Nam. The median age is 23.1 years in Viet Nam and 18.4 years in Thailand.
The total fertility rate is 5.54 in Viet Nam and 6.39 in Thailand, both above the replacement level of about 2.1. Life expectancy at birth is 54.8 years in Viet Nam and 48.1 years in Thailand.
By 2050, the population of Viet Nam is projected to grow by 295.7% and that of Thailand to grow by 188.9% compared with 1955.
GDP per person is $5,066 in Viet Nam (2025) and $8,057 in Thailand (2025).
Key figures (1955)
| Viet Nam | Thailand | |
|---|---|---|
| Population | 27.8 million | 23 million |
| Aged 0–14 | 36.0% | 42.5% |
| Aged 15–64 | 59.6% | 54.5% |
| Aged 65+ | 4.5% | 3.0% |
| Median age | 23.1 yrs | 18.4 yrs |
| Old-age dependency | 7.5 | 5.5 |
| Total fertility rate | 5.54 | 6.39 |
| Life expectancy | 54.8 yrs | 48.1 yrs |
| Population growth | +2.62% | +2.75% |
| Net migration (per year) | +0 | -7,471 |
| GDP | $515B (2025) | $577B (2025) |
| GDP per person | $5,066 (2025) | $8,057 (2025) |
| Unemployment | 1.5% (2025) | 0.8% (2025) |
Economic figures are the latest year published for each country.