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🇰🇲 Comoros

Flag of ComorosNational Flag

Geography & Borders

This country has no land borders.

Introduction & Background

The Comoros,note 1 officially the Union of the Comoros,note 2 is an independent country made up of three islands in southeastern Africa, located at the northern end of the Mozambique Channel in the Indian Ocean. Its capital and largest city is Moroni. The religion of the majority of the population, and the official state religion, is Sunni Islam. As a member of the Arab League, it is the only country in the Arab world which is entirely in the Southern Hemisphere. Comoros proclaimed their independence on July 6, 1975. It is also a member state of the African Union, the Organisation internationale de la Francophonie, the Organisation of Islamic Cooperation, and the Indian Ocean Commission. The country has three official languages: Chi Comori, French and Arabic.

The sovereign state consists of three major islands and numerous smaller islands, all in the volcanic Comoro Islands with the notable exception of Mayotte. Mayotte voted against independence from France in a referendum in 1974, and has since then never been administered by an independent Comoros government, and continues to be administered by France as an overseas department. France has vetoed United Nations Security Council resolutions that would affirm Comorian sovereignty over the island.78910 Mayotte became an overseas department and a region of France in 2011 following a referendum which was passed overwhelmingly.

Key Information
AttributeDetails
Official Name
Union of the Comoros
Capital
Moroni
Continent
Africa
Region / Subregion
Africa / Eastern Africa
Population
870,038
Area
1,862 km²
Languages
Arabic, French, Comorian
Currencies
Comorian franc (Fr) [KMF]
Cost of Living
25 / 100 (Low)
Price per Coffee
$1.25
Price per Meal
$5.00
Timezones
UTC+03:00 (EAT)
Bounding Box
Min: (12.36° S, 44.05° E)
Max: (11.97° S, 44.45° E)
Climate
Temperate
Terrain
High plateaus, volcanic mountains, and the Great Rift Valley

Geography & Climate

Climate, weather, and air quality data are based on historical records for the coordinates of the capital city, Moroni.

Temperature (2025)

15°25°35°
Jan
26.8° / 28.8°
Feb
27.5° / 29.3°
Mar
27° / 28.9°
Apr
26.6° / 28.5°
May
26.3° / 28.1°
Jun
25.1° / 26.8°
Jul
24.1° / 25.7°
Aug
23.3° / 25.1°
Sep
23.7° / 25.6°
Oct
24.7° / 26.6°
Nov
26° / 27.9°
Dec
27.3° / 29.1°

Precipitation & Snow (2025)

133Jan
85Feb
93Mar
34Apr
26May
6Jun
2Jul
3Aug
6Sep
15Oct
20Nov
16Dec
Rain (mm) Snow (cm)

Atmospheric Pressure (2025)

1010.3-3.4Jan
1010.2-3.5Feb
1010.6-3.1Mar
1012-1.7Apr
1014+0.3May
1016.7+3Jun
1018+4.3Jul
1017.1+3.4Aug
1016.2+2.5Sep
1014.3+0.6Oct
1013.6-0.1Nov
1011.4-2.3Dec

Thunderstorm Days (2025)

0Jan
0Feb
0Mar
0Apr
0May
0Jun
0Jul
0Aug
0Sep
0Oct
0Nov
0Dec

Wind Speed (2025)

Jan
25.9
Feb
24.9
Mar
22.6
Apr
14.9
May
27.8
Jun
25.6
Jul
29.2
Aug
26
Sep
22.8
Oct
25.3
Nov
19.1
Dec
21.5

Air Quality — Monthly Averages (2025)

MetricJanFebMarAprMayJunJulAugSepOctNovDec
PM2.5 μg/m³9.1105.73.54.55.35.65.67.66.95.25.7
PM10 μg/m³12.914.8856.97.88.48.310.710.17.58.3
O₃ μg/m³48.648.744.348.958.368.972.770.168.862.345.939.5
NO₂ μg/m³0.50.50.60.60.50.40.40.40.40.40.40.4
SO₂ μg/m³0.40.30.20.30.30.50.40.40.40.40.40.4
CO μg/m³11311810296921009910311510310495

Pollen Levels — Monthly (2025)

Pollen data is negligible or unavailable for this location.

⛰️ Highest Elevation

▲
Mount Karthala on Grande Comore2360 m / 7,743 ft

  • Map Locations: Google Maps | OpenStreetMap

People & Society

Total Population850,387Density: 456.95 / km²
Annual Growth Rate+1.92%Rapid Growth
Life Expectancy66.78 yrsAverage lifespan at birth
Fertility Rate3.88Births per woman



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