São Tomé and Principe vs Tonga

São Tomé and Principe is 34% larger than Tonga.

São Tomé and PrincipeTongaSão Tomé and Principe moved onto Tonga · Equal-area projection
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1.34×
São Tomé and Principe is 1.34× the area of Tonga.
São Tomé and PrincipeTonga
Size
AreaSão Tomé and Principe: 1.34× the area1,001 km²#171 of 194749 km²#175 of 194
CoastlineCoast, no land borderCoast, no land border
Land neighbours00
People
PopulationSão Tomé and Principe: 2.32× the population240,254#175 of 194 · 2025103,742#182 of 194 · 2025
DensitySão Tomé and Principe: 1.73× the density240 / km²#42 of 194139 / km²#65 of 194
Urban populationSão Tomé and Principe: 3.26× the urban share69%#78 of 192 · 202521%#186 of 192 · 2025
Fertility rateSão Tomé and Principe: 1.16× the births per woman3.60 per woman#39 of 192 · 20243.10 per woman#52 of 192 · 2024
Population growthSão Tomé and Principe: 2.40 points higher+1.98%#49 of 192 · 2025−0.42%#177 of 192 · 2025
Birth rateSão Tomé and Principe: 1.22× the birth rate28.1 per 1,000#38 of 192 · 202423.0 per 1,000#58 of 192 · 2024
Death rateTonga: 1.16× the death rate5.5 per 1,000#156 of 192 · 20246.4 per 1,000#125 of 192 · 2024
Children under 15São Tomé and Principe: 2.6 points higher37.5%#38 of 192 · 202534.9%#51 of 192 · 2025
People over 65Tonga: 3.0 points higher3.9%#144 of 192 · 20256.9%#102 of 192 · 2025
Net migrationSão Tomé and Principe: 18.0 per 1,000 higher−2.7 per 1,000#156 of 192 · 2025−20.7 per 1,000#190 of 192 · 2025
Refugees abroadTonga: 21× the refugees for its size0.03 per 1,000#138 of 190 · 20250.63 per 1,000#72 of 190 · 2025
Health & education
Life expectancyTonga: 3.2 years longer69.9 years#131 of 192 · 202473.1 years#103 of 192 · 2024
Infant mortalitySão Tomé and Principe: 1.18× the infant mortality9.2 per 1,000 births#114 of 191 · 20247.8 per 1,000 births#125 of 191 · 2024
DoctorsTonga: 2.2× the doctors per person0.46 per 1,000#130 of 178 · 20221.01 per 1,000#108 of 178 · 2021
University enrolment—42.9%#87 of 145 · 2023
Human Development IndexTonga: 0.132 higher0.637#138 of 190 · 20230.769#91 of 190 · 2023
Economy
GNI per capitaTonga: 1.8× the income per person$3,800#128 of 185 · 2025$6,840#97 of 185 · 2025
GDPSão Tomé and Principe: 1.44× the economy$981M2025$679M2025
Income groupLower-middle incomeUpper-middle income
GDP per capita (PPP)Tonga: 1.36× the output per person$6,388#144 of 184 · 2025$8,675#133 of 184 · 2025
GDP growthTonga: 1.8 points higher+1.0%#156 of 187 · 2025+2.8%#108 of 187 · 2025
InflationSão Tomé and Principe: 5.4 points higher+11.0%#21 of 176 · 2025+5.6%#37 of 176 · 2025
UnemploymentSão Tomé and Principe: 4.55× the unemployment9.1%#40 of 178 · 20252.0%#162 of 178 · 2025
Extreme povertySão Tomé and Principe: 32.5× the share in extreme poverty13.0%#42 of 149 · 20170.4%#107 of 149 · 2021
Income inequality (Gini)São Tomé and Principe: 13.6 higher40.7#33 of 149 · 201727.1#135 of 149 · 2021
Jobs in agricultureTonga: 11.5 points higher12.1% of jobs#102 of 178 · 202523.6% of jobs#75 of 178 · 2025
Jobs in industryTonga: 0.8 points higher22.5% of jobs#59 of 178 · 202523.3% of jobs#52 of 178 · 2025
Jobs in servicesSão Tomé and Principe: 12.4 points higher65.4% of jobs#68 of 178 · 202553.0% of jobs#104 of 178 · 2025
Foreign investmentSão Tomé and Principe: 7.9 points higher10.5% of GDP#15 of 184 · 20252.6% of GDP#73 of 184 · 2025
ExportsTonga: 3.6 points higher13.3% of GDP#153 of 168 · 202516.9% of GDP#142 of 168 · 2024
Internet usersTonga: 1.14× the share online59%#136 of 184 · 202467%#124 of 184 · 2024
Mobile subscriptionsAbout as many mobile subscriptions62 per 100#171 of 191 · 202462 per 100#171 of 191 · 2022
Energy & environment
Forest areaSão Tomé and Principe: 4.76× the forest share58% of land#33 of 192 · 202412% of land#143 of 192 · 2024
CO₂ per personTonga: 2.59× the CO₂ per person0.63 t a year#142 of 185 · 20241.63 t a year#110 of 185 · 2024
Renewable energySão Tomé and Principe: 40.2 points higher42.5%#56 of 190 · 20222.3%#165 of 190 · 2022
Access to electricityTonga: 22.3 points higher77.7%#149 of 192 · 2024100.0%#1 of 192 · 2024
Air pollution (PM2.5)São Tomé and Principe: 3.21× the air pollution15.1 µg/m³#115 of 191 · 20234.7 µg/m³#186 of 191 · 2023
Protected landSão Tomé and Principe: 18.4 points higher31.7% of land#27 of 191 · 202513.3% of land#127 of 191 · 2025
Arable landTonga: 26.1 points higher4.2% of land#135 of 190 · 202430.3% of land#28 of 190 · 2024
Water stress1.9%#149 of 176 · 2022—
Precipitation3,200 mm#2 of 180 · 2022—
Governance & safety
Political stabilityTonga: 0.76 higher+0.55#65 of 193 · 2025+1.31#11 of 193 · 2025
Control of corruptionSão Tomé and Principe: 0.55 higher+0.13#75 of 193 · 2025−0.42#114 of 193 · 2025
Homicide rate—0.9 per 100,000#110 of 146 · 2019
State
StatusIndependent stateIndependent state
GovernmentSemi-presidential republicConstitutional monarchy
CapitalSao TomeNuku'alofa
CurrencySão Tomé and Príncipe dobra (STN)Tongan paʻanga (TOP)
Official languagesPortugueseEnglish, Tongan
Traffic drivesOn the rightOn the left
Time zoneUTCUTC+13
Calling code+239+676
RegionMiddle Africa, AfricaPolynesia, Oceania

Area: Wikidata. Population, income, health, economy, environment and governance: World Bank. Human Development Index: UNDP. Government: CIA World Factbook. Ranks among the 194 independent states. All sources

Why the map you grew up with disagrees

On a Mercator map, area grows with distance from the equator. São Tomé and Principe sits at about 0° N and is stretched to 1.0× its true area; Tonga at 20° S is stretched to 1.14×. Here the two are distorted about the same amount, so Mercator gets this pair roughly right. The figure above uses the Equal Earth projection, where every square kilometre is drawn the same size.

Questions about this pair

Is São Tomé and Principe bigger than Tonga?
Yes. São Tomé and Principe is 34% larger than Tonga. São Tomé and Principe covers 1,001 km² and Tonga covers 749 km².
How many times does Tonga fit into São Tomé and Principe?
About 1.3 times: São Tomé and Principe has 1.34× the area of Tonga.
Why do São Tomé and Principe and Tonga look different on Google Maps?
Web maps use the Mercator projection, which stretches area with distance from the equator. São Tomé and Principe is drawn about 1.0× its true area there and Tonga about 1.14×. For this pair the distortion is similar, so Mercator gets the comparison roughly right. Kartavera uses Equal Earth, where every square kilometre is drawn the same size.
Which has more people, São Tomé and Principe or Tonga?
São Tomé and Principe: 240,254 people against 103,742. Density: São Tomé and Principe 240 per km², Tonga 139 per km².
Which is richer, São Tomé and Principe or Tonga?
By gross national income per person, Tonga: $6,840 against $3,800 (World Bank, Atlas method, 2025) — 1.8× as much.
Where do people live longer, São Tomé and Principe or Tonga?
In Tonga: life expectancy at birth is 73.1 years, against 69.9 — 3.2 years longer (World Bank, 2024).
What kind of government do São Tomé and Principe and Tonga have?
By constitution, as the CIA World Factbook describes them — São Tomé and Principe: semi-presidential republic; Tonga: constitutional monarchy.