Tonga

Country in Oceania

In brief

Population: 103.7K (2025). World rank 192 of 216; in Oceania, 13 of 19. Population growth per year: -0.4% (2025). World rank 194 of 216; in Oceania, 15 of 19. Living in cities: 21.2% (2025). World rank 210 of 216; in Oceania, 17 of 19. From 2015 to 2025: population 106.1K → 103.7K, population growth per year -0.5% → -0.4%, and living in cities 23.2% → 21.2%.

Population and migration

Population: 103,742 2025
Population density: 138.9 per km² 2025
Population growth per year: -0.4% 2025
Living in cities: 21.2% 2025
Net migration per year: -2.2K 2025
Born in another country: 3.4% 2024

Age and life expectancy

Aged 0–14: 34.9% 2025
Aged 15–64: 58.2% 2025
Aged 65 and over: 6.8% 2025
Life expectancy: 73.1 years 2024
Life expectancy, women: 76.5 years 2024
Life expectancy, men: 69.5 years 2024

Births and deaths

Children per woman: 3.1 2024
Births per 1,000 people: 23 2024
Deaths per 1,000 people: 6.4 2024

Society

Languages: English, Tongan
Religions: Protestant 63.9%, other Christian 19.7%, Catholic 13.7%, and other 2.1% (2021)