The Comorians inhabiting Grande Comore, Anjouan, and Mohéli (86% of the population) share African-Arab origins. Islam (See Islam in Comoros) is the dominant religion, and Quranic schools for children reinforce its influence. Although Arab culture is firmly established throughout, a small minority are Christian.
- 1958-09-07 : 183,133
- 1966-07-06 :
- Note: in 1974 Mayotte was removed from the Comoros
- 1980-09-15 : 335,150
- 1991-09-15 : 446,817
- 2003-09-15 : 575,660
Population density figures conceal a great disparity between the republic's most crowded island, Nzwani, which had a density of 470 persons per square kilometer in 1991; Ngazidja, which had a density of 250 persons per square kilometer in 1991; and Mwali, where the 1991 population density figure was 120 persons per square kilometer. Overall population density increased to about 285 persons per square kilometer by 1994. By comparison, estimates of the population density per square kilometer of the Indian Ocean's other island microstates ranged from 241 (Seychelles) to 690 (Maldives) in 1993. Given the rugged terrain of Ngazidja and Nzwani, and the dedication of extensive tracts to agriculture on all three islands, population pressures on Comoros are becoming increasingly critical.
The age structure of the population of Comoros is similar to that of many developing countries, in that the republic has a very large proportion of young people. In 1989, 46.4 percent of the population was under fifteen years of age, an above-average proportion even for sub-Saharan Africa. The population's rate of growth was a relatively high 3.5 percent per annum in the mid 1980s, up substantially from 2.0 percent in the mid-1970s and 2.1 percent in the mid-1960s.
In 1983 the Abdallah regime borrowed US$2.85 million from the International Development Association to devise a national family planning program. However, Islamic reservations about contraception made forthright advocacy and implementation of birth control programs politically hazardous, and consequently little was done in the way of public policy.
The Comorian population has become increasingly urbanized in recent years. In 1991 the percentage of Comorians residing in cities and towns of more than 5,000 persons was about 30 percent, up from 25 percent in 1985 and 23 percent in 1980. Comoros' largest cities were the capital, Moroni, with about 30,000 people, and the port city of Mutsamudu, on the island of Nzwani, with about 20,000 people.
Migration among the various islands is important. Natives of Nzwani have settled in significant numbers on less crowded Mwali, causing some social tensions, and many Nzwani also migrate to Maore. In 1977 Maore expelled peasants from Ngazidja and Nzwani who had recently settled in large numbers on the island. Some were allowed to reenter starting in 1981 but solely as migrant labor.
The number of Comorians living abroad has been estimated at between 80,000 and 100,000; during the colonial period, most of them lived in Tanzania, Madagascar, and other parts of East Africa. The number of Comorians residing in Madagascar was drastically reduced after anti-Comorian rioting in December 1976 in Mahajanga, in which at least 1,400 Comorians were killed. As many as 17,000 Comorians left Madagascar to seek refuge in their native land in 1977 alone. About 100,000 Comorians live in France; many of them had gone there for a university education and never returned. Small numbers of Indians, Malagasy, South Africans, and Europeans (mostly French) live on the islands and play an important role in the economy. Most French stepped out after independence in 1975.
UN population projections 
Numbers are in thousands. UN medium variant projections.
- 2010 734.75
- 2015 832.40
- 2020 933.33
- 2025 1,041.15
- 2030 1,160.26
- 2035 1,290.20
- 2040 1,425.97
- 2045 1,562.91
- 2050 1,700.13
|Period||Live births per year||Deaths per year||Natural change per year||CBR*||CDR*||NC*||TFR*||IMR*|
|1950-1955||8 000||4 000||4 000||46.8||24.0||22.8||6.00||178|
|1955-1960||9 000||4 000||5 000||48.9||22.9||26.0||6.60||167|
|1960-1965||10 000||4 000||6 000||48.0||20.8||27.2||6.91||154|
|1965-1970||11 000||4 000||6 000||46.8||18.9||27.9||7.05||141|
|1970-1975||12 000||4 000||8 000||46.8||16.9||29.8||7.05||127|
|1975-1980||14 000||5 000||10 000||47.9||15.6||32.3||7.05||116|
|1980-1985||17 000||5 000||12 000||48.6||14.3||34.4||7.05||106|
|1985-1990||16 000||5 000||11 000||39.6||12.1||27.5||6.00||95|
|1990-1995||17 000||5 000||12 000||36.6||11.0||25.6||5.30||89|
|1995-2000||20 000||6 000||15 000||38.6||10.6||28.0||5.30||83|
|2000-2005||24 000||6 000||18 000||40.2||10.1||30.0||5.30||78|
|2005-2010||27 000||7 000||20 000||39.0||9.4||29.5||5.08||72|
|* CBR = crude birth rate (per 1000); CDR = crude death rate (per 1000); NC = natural change (per 1000); IMR = infant mortality rate per 1000 births; TFR = total fertility rate (number of children per woman)|
CIA World Factbook demographic statistics 
The following demographic statistics are from the CIA World Factbook, unless otherwise indicated.
- 690,948 (July 2006 est.)
Age structure 
- 0-14 years: 42.7% (male 148,009/female 147,038)
- 15-64 years: 54.3% (male 185,107/female 190,139)
- 65 years and over: 3% (male 9,672/female 10,983) (2006 est.)
Median age 
- Total: 18.6 years
- Male: 18.4 years
- Female: 18.9 years (2006 est.)
Population growth rate 
- 2.87% (2006 est.)
Sex ratio 
- At birth: 1.03 male(s)/female
- Under 15 years: 1.01 male(s)/female
- 15-64 years: 0.97 male(s)/female
- 65 years and over: 0.88 male(s)/female
- Total population: 0.99 male(s)/female (2006 est.)
Life expectancy at birth 
- Total population: 62.33 years
- Male: 60 years
- Female: 64.72 years (2006 est.)
- Adult prevalence rate: 0.12% (2001 est.)
- People living with HIV/AIDS: NA
- Deaths: NA
- Noun: Comorian(s)
- Adjective: Comorian
- 98% of the population of the Comoros is Muslim Sunni, 2% are Catholic, and evangelical believers represent only 0.1% of the population (Patrick Johnstone and Jason Mandryk, Operation World. Milton Keynes, United Kingdom, 2005, pg. 193).
- Arabic (official), French (official), Comorian (a Swahili dialect strongly influenced by Arabic, official)
- Definition: age 15 and over can read and write
- Total population: 56.5%
- Male: 63.6%
- Female: 49.3% (2003 est.)
See also 
- "Comoros population statistics". GeoHive. Archived from the original on 10 June 2011.
- Population census of the Comoro Islands, 1951, 1956 and 1958. New Haven, Connecticut: Research Publications. 1977. OCLC 3659638. Text "format mircofilm" ignored (help)
- Institut national de la statistique et des études économiques (1966). Recensement de la population des Comores 1966: résultats par village, sexe et groupe d'âge. Paris: Institut national de la statistique et des études économiques. OCLC 13015378.
- "World Population Prospects, the 2010 Revision". Esa.un.org. 2011-06-28. Retrieved 2011-12-21.
- World Population Prospects: The 2010 Revision
This article incorporates public domain material from the CIA World Factbook document "2006 edition". This article incorporates public domain material from websites or documents of the Library of Congress Country Studies.
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