Tonga's hdi rose from 0.7 in 1994 to 0.8 in 2023.
Tonga · Quality of life
Human development, happiness, safety, access and environment.
14 indicators · 12 with data
Composite
Longevity
Tonga's life expectancy rose from 68.6 yrs in 1995 to 73.1 yrs in 2024.
Tonga's healthy life expectancy at birth rose from 62.7 yrs in 2000 to 63.8 yrs in 2021.
Inequality
Gini index
index (0 = perfect equality, 100 = perfect inequality)
7th of 81 · 1st in East Asia & Pacific*
Tonga's gini index fell from 37.7 in 2000 to 27.1 in 2021.
Air
Tonga's air pollution (pm2.5) fell from 5.0 in 1994 to 4.7 in 2023.
Crime
Tonga's homicide rate fell from 2.0 /100k in 1995 to 0.9 /100k in 2019.
Access
Tonga's safe drinking water rose from 29.2 % in 2000 to 29.6 % in 2024.
Tonga's access to electricity (% of population) rose from 81.8 % in 1995 to 100.0 % in 2024.
Adoption
Tonga's internet users rose from 0.1 % in 1995 to 67.4 % in 2024.
Attainment
Tonga's expected years of schooling rose from 12.2 yrs in 1994 to 17.8 yrs in 2023.
Unemployment
Tonga's unemployment fell from 2.4 % in 1996 to 2.0 % in 2025.
Gender
Tonga's women in parliament rose from 0.0 % in 1997 to 3.8 % in 2025.
›No data available (2)
These indicators exist in the registry but no source reports a value for Tonga.
- Life satisfactionNo data
- Housing cost overburden rateNo data