Comoros vs São Tomé and Principe

Comoros is 2.03 times larger than São Tomé and Principe. São Tomé and Principe would fit into Comoros about 2.0 times.

ComorosSão Tomé and PrincipeComoros moved onto São Tomé and Principe · Equal-area projection
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2.03×
Comoros is 2.03× the area of São Tomé and Principe.
ComorosSão Tomé and Principe
Size
AreaComoros: 2.03× the area2,034 km²#170 of 1941,001 km²#171 of 194
CoastlineCoast, no land borderCoast, no land border
Land neighbours00
People
PopulationComoros: 3.67× the population882,847#159 of 194 · 2025240,254#175 of 194 · 2025
DensityComoros: 1.81× the density434 / km²#19 of 194240 / km²#42 of 194
Urban populationSão Tomé and Principe: 2.04× the urban share34%#162 of 192 · 202569%#78 of 192 · 2025
Fertility rateComoros: 1.06× the births per woman3.82 per woman#30 of 192 · 20243.60 per woman#39 of 192 · 2024
Population growthSão Tomé and Principe: 0.13 points higher+1.85%#54 of 192 · 2025+1.98%#49 of 192 · 2025
Birth rateAbout the same birth rate28.2 per 1,000#37 of 192 · 202428.1 per 1,000#38 of 192 · 2024
Death rateComoros: 1.29× the death rate7.1 per 1,000#97 of 192 · 20245.5 per 1,000#156 of 192 · 2024
Children under 15São Tomé and Principe: 0.6 points higher36.9%#42 of 192 · 202537.5%#38 of 192 · 2025
People over 65Comoros: 0.6 points higher4.5%#132 of 192 · 20253.9%#144 of 192 · 2025
Net migrationComoros: 0.3 per 1,000 higher−2.4 per 1,000#153 of 192 · 2025−2.7 per 1,000#156 of 192 · 2025
Refugees abroadComoros: 88.3× the refugees for its size2.65 per 1,000#36 of 190 · 20250.03 per 1,000#138 of 190 · 2025
Health & education
Life expectancySão Tomé and Principe: 2.9 years longer67.0 years#154 of 192 · 202469.9 years#131 of 192 · 2024
Infant mortalityComoros: 3.8× the infant mortality35.0 per 1,000 births#32 of 191 · 20249.2 per 1,000 births#114 of 191 · 2024
DoctorsSão Tomé and Principe: 1.1× the doctors per person0.42 per 1,000#132 of 178 · 20220.46 per 1,000#130 of 178 · 2022
Human Development IndexSão Tomé and Principe: 0.034 higher0.603#149 of 190 · 20230.637#138 of 190 · 2023
Economy
GNI per capitaSão Tomé and Principe: 1.95× the income per person$1,950#151 of 185 · 2025$3,800#128 of 185 · 2025
GDPComoros: 1.85× the economy$1.82B2025$981M2025
Income groupLower-middle incomeLower-middle income
GDP per capita (PPP)São Tomé and Principe: 1.51× the output per person$4,238#159 of 184 · 2025$6,388#144 of 184 · 2025
GDP growthComoros: 2.8 points higher+3.8%#75 of 187 · 2025+1.0%#156 of 187 · 2025
InflationSão Tomé and Principe: 7.8 points higher+3.2%#86 of 176 · 2025+11.0%#21 of 176 · 2025
UnemploymentSão Tomé and Principe: 2.39× the unemployment3.8%#115 of 178 · 20259.1%#40 of 178 · 2025
Extreme povertySão Tomé and Principe: 2.55× the share in extreme poverty5.1%#54 of 149 · 202413.0%#42 of 149 · 2017
Income inequality (Gini)São Tomé and Principe: 10.4 higher30.3#116 of 149 · 202440.7#33 of 149 · 2017
Jobs in agricultureComoros: 21.5 points higher33.6% of jobs#51 of 178 · 202512.1% of jobs#102 of 178 · 2025
Jobs in industrySão Tomé and Principe: 7.7 points higher14.8% of jobs#138 of 178 · 202522.5% of jobs#59 of 178 · 2025
Jobs in servicesSão Tomé and Principe: 13.8 points higher51.6% of jobs#113 of 178 · 202565.4% of jobs#68 of 178 · 2025
Foreign investmentSão Tomé and Principe: 10.0 points higher0.5% of GDP#144 of 184 · 202510.5% of GDP#15 of 184 · 2025
ExportsSão Tomé and Principe: 4.0 points higher9.3% of GDP#163 of 168 · 202513.3% of GDP#153 of 168 · 2025
Internet usersSão Tomé and Principe: 1.82× the share online33%#162 of 184 · 202459%#136 of 184 · 2024
Mobile subscriptionsComoros: 1.77× the mobile subscriptions110 per 100#109 of 191 · 202362 per 100#171 of 191 · 2024
Energy & environment
Forest areaSão Tomé and Principe: 3.24× the forest share18% of land#126 of 192 · 202458% of land#33 of 192 · 2024
CO₂ per personSão Tomé and Principe: 1.24× the CO₂ per person0.51 t a year#150 of 185 · 20240.63 t a year#142 of 185 · 2024
Renewable energySão Tomé and Principe: 3.2 points higher39.3%#62 of 190 · 202242.5%#56 of 190 · 2022
Access to electricityComoros: 14.0 points higher91.7%#136 of 192 · 202477.7%#149 of 192 · 2024
Air pollution (PM2.5)São Tomé and Principe: 1.48× the air pollution10.2 µg/m³#153 of 191 · 202315.1 µg/m³#115 of 191 · 2023
Protected landComoros: 2.0 points higher33.7% of land#25 of 191 · 202531.7% of land#27 of 191 · 2025
Arable landComoros: 25.4 points higher29.6% of land#30 of 190 · 20244.2% of land#135 of 190 · 2024
Water stressSão Tomé and Principe: 2.37× the water stress0.8%#164 of 176 · 20221.9%#149 of 176 · 2022
PrecipitationSão Tomé and Principe: 3.56× the rain and snow900 mm#97 of 180 · 20223,200 mm#2 of 180 · 2022
Governance & safety
Political stabilitySão Tomé and Principe: 0.78 higher−0.23#121 of 193 · 2025+0.55#65 of 193 · 2025
Control of corruptionSão Tomé and Principe: 1.01 higher−0.88#146 of 193 · 2025+0.13#75 of 193 · 2025
State
StatusIndependent stateIndependent state
GovernmentPresidential republicfederal presidential republicSemi-presidential republic
CapitalMoroniSao Tome
CurrencyComorian franc (KMF)São Tomé and Príncipe dobra (STN)
Official languagesFrench, Arabic, ComorianPortuguese
Traffic drivesOn the rightOn the right
Time zoneUTC+3UTC
Calling code+269+239
RegionEastern Africa, AfricaMiddle Africa, Africa

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. Comoros sits at about 12° S and is stretched to 1.04× its true area; São Tomé and Principe at 0° N is stretched to 1.0×. 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 Comoros bigger than São Tomé and Principe?
Yes. Comoros is 2.03 times larger than São Tomé and Principe. Comoros covers 2,034 km² and São Tomé and Principe covers 1,001 km².
How many times does São Tomé and Principe fit into Comoros?
About 2.0 times: Comoros has 2.03× the area of São Tomé and Principe.
Why do Comoros and São Tomé and Principe look different on Google Maps?
Web maps use the Mercator projection, which stretches area with distance from the equator. Comoros is drawn about 1.04× its true area there and São Tomé and Principe about 1.0×. 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, Comoros or São Tomé and Principe?
Comoros: 882,847 people against 240,254. Density: Comoros 434 per km², São Tomé and Principe 240 per km².
Which is richer, Comoros or São Tomé and Principe?
By gross national income per person, São Tomé and Principe: $3,800 against $1,950 (World Bank, Atlas method, 2025) — 1.95× as much.
Where do people live longer, Comoros or São Tomé and Principe?
In São Tomé and Principe: life expectancy at birth is 69.9 years, against 67.0 — 2.9 years longer (World Bank, 2024).
What kind of government do Comoros and São Tomé and Principe have?
By constitution, as the CIA World Factbook describes them — Comoros: presidential republic; São Tomé and Principe: semi-presidential republic.