Quality of life comparison
If you lived in Tonga instead of Sao Tome and Principe, you would:
Health
live 3.2 years longer
In Sao Tome and Principe, the average life expectancy is 70 years (66 years for men, 74 years for women) as of 2024. In Tonga, that number is 73 years (70 years for men, 77 years for women) as of 2024.
see 44.3% more spent on your healthcare
Sao Tome and Principe spends $355 per person on healthcare as of 2023 (international dollars, adjusted for prices). Tonga spends $512 as of 2023.
have 2.2 times more doctors per person
Sao Tome and Principe has 4.6 doctors per 10,000 people as of 2022. Tonga has 10.1 as of 2021.
be 4.1 times more likely to be obese
In Sao Tome and Principe, 17.9% of adults are obese as of 2024. In Tonga, that number is 73.8% of people as of 2024.
be 5.5 times more likely to die by suicide
Sao Tome and Principe has a suicide rate of 0.9 per 100,000 people as of 2021. In Tonga, it is 4.7 per 100,000 as of 2021.
Economy
be 78.0% less likely to be unemployed
In Sao Tome and Principe, 9.1% of the labor force is unemployed as of 2025. In Tonga, that number is 2.0% as of 2025.
make 60.3% more money
Sao Tome and Principe has a GDP per capita of $4,084 as of 2025, while in Tonga, the GDP per capita is $6,547 as of 2025.
Life
be 15.2% less likely to die during infancy
In Sao Tome and Principe, approximately 9.2 children (per 1,000 live births) die before they reach the age of one as of 2024. In Tonga, on the other hand, 7.8 children do as of 2024.
have 18.0% fewer children
In Sao Tome and Principe, there are approximately 28.1 babies per 1,000 people as of 2024. In Tonga, there are 23.0 babies per 1,000 people as of 2024.
Basic Needs
be 23.0% more likely to have access to electricity
In Sao Tome and Principe, approximately 81% of people have electricity access (82% in urban areas, and 70% in rural areas) as of 2023. In Tonga, that number is 100% of people on average (100% in urban areas, and 100% in rural areas) as of 2023.
be 14.1% more likely to have internet access
In Sao Tome and Principe, approximately 59.1% of the population has internet access as of 2024. In Tonga, about 67.4% do as of 2024.
be 26.8% more likely to have access to drinking water
In Sao Tome and Principe, approximately 78% of people have access to drinking water (79% in urban areas, and 73% in rural areas) as of 2024. In Tonga, that number is 99% of people on average (100% in urban areas, and 99% in rural areas) as of 2024.
Expenditures
spend 27.6% more on healthcare
Sao Tome and Principe spends 5.8% of its total GDP on healthcare as of 2023. In Tonga, that number is 7.4% of GDP as of 2023.
Geography
see 2.0 times more coastline
Sao Tome and Principe has a total of 209 km of coastline. In Tonga, that number is 419 km.
Safety
be 27.4% less likely to die in a road accident
In Sao Tome and Principe, road accidents kill 11.7 people per 100,000 as of 2021. In Tonga, they kill 8.5 per 100,000 as of 2021.
Infrastructure
find 2.7 times more home broadband
Sao Tome and Principe has 3.0 fixed broadband subscriptions per 100 people as of 2024. Tonga has 8.2 as of 2022.
Environment
be 71.8% less likely to die from air pollution
In Sao Tome and Principe, air pollution causes 85.0 deaths per 100,000 people as of 2019. In Tonga, it causes 24.0 as of 2019.
emit 2.6 times more CO2
Sao Tome and Principe emits 0.6 tonnes of CO2 per person each year as of 2024. Tonga emits 1.6 tonnes as of 2024.
Sources: World Bank (2021–2025), United Nations SDG Indicators (2019–2021), World Health Organization (2024), The World Factbook. How we calculate this
Compare further: Sao Tome and Principe vs. Tonga
MORE COMPARISONS
Tonga: At a glance
How big is Tonga compared to Sao Tome and Principe? See an in-depth size comparison.