Demographics of the member states of the Organisation of Islamic Cooperation

Last updated

This is a list of 57 member states of the Organisation of Islamic Cooperation sorted by their estimated population.

Contents

8 countries (Benin, Cameroon, Gabon, Guyana, Mozambique, Suriname, Togo and Uganda) are not Muslim-majority, but they are members of Organisation of Islamic Cooperation.

Also the list below only includes OIC members, not OIC observers, and does not include many other countries having a significant number of Muslims in their resident population from immigrants and their descendants (notably in North America, Europe, and even in Asia, such as China, India and Russia which are OIC observers).

Syria is still listed here (as a founding member state), even if its membership is suspended since 2022 (other member states have also been suspended in the past but fully reintegrated a few years later in the OIC). [a]

Total and Muslim population by OIC member state

RankOIC member stateTotal population
(all religions)		Percentage
Muslim (est.)		Population
Muslim (est.)
1Flag of Indonesia.svg  Indonesia 270,203,917(2020 [2] )87.2 %235,617,816
2Flag of Pakistan.svg  Pakistan 241,499,431(2023 [b] )96.4 %232,805,451
3Flag of Nigeria.svg  Nigeria 230,842,743(2022 [4] )50.4 %116,344,742
4Flag of Bangladesh.svg  Bangladesh 169,828,911(2022 [5] )89.8 %152,506,362
5Flag of Egypt.svg  Egypt 110,000,000(2023 [6] )94.9 %104,390,000
6Flag of Iran.svg  Iran 87,590,873(2023 [7] )99.0 % plus86,714,964
7Flag of Turkey.svg  Turkey 85,372,377(2023 [8] )98.0 %83,664,929
8Flag of Sudan.svg  Sudan 49,197,555(2022 [9] )90.7 %44,622,182
9Flag of Uganda.svg  Uganda 47,729,952(2023 [10] )11.5 %5,488,944
10Flag of Algeria.svg  Algeria 45,400,000(2020 [11] )97.9 %44,446,600
11Flag of Iraq.svg  Iraq 41,266,109(2023 [12] )99.0 %40,853,448
12Flag of the Taliban.svg  Afghanistan 39,232,003(2023 [13] )99.0 % plus38,839,683
13Flag of Morocco.svg  Morocco 37,984,655(2022 [14] )99.0 % plus37,604,808
14Flag of Uzbekistan.svg  Uzbekistan 36,024,900(2023 [15] )96.7 %34,836,078
15Flag of Yemen.svg  Yemen 34,449,825(2022 [16] )99.0 % plus34,105,327
16Flag of Malaysia 23px.svg  Malaysia 34,219,975(2023 [17] )63.7 %21,798,124
17Flag of Mozambique.svg  Mozambique 34,173,805(2023 [18] )18.0 %6,151,285
18Flag of Saudi Arabia.svg  Saudi Arabia 32,175,224(2022 [19] )93.0 %29,922,958
19Flag of Cote d'Ivoire.svg  Ivory Coast 30,900,000(2023 [20] )42.5 %13,132,500
20Flag of Cameroon.svg  Cameroon 30,135,732(2023 [21] )18.3 %5,514,839
21Flag of Niger.svg  Niger 25,396,840(2023 [22] )98.4 %24,990,491
22Flag of Syria.svg  Syria 22,933,531(2023 [23] )92.8 %21,282,317
23Flag of Burkina Faso.svg  Burkina Faso 22,489,126(2023 [24] )61.6 %13,853,302
24Flag of Mali.svg  Mali 21,359,722(2023 [25] )92.4 %19,736,383
25Flag of Kazakhstan.svg  Kazakhstan 20,000,000(2023 [26] )70.4 %14,080,000
26Flag of Chad.svg  Chad 18,523,165(2023 [27] )55.3 %8,678,212
27Flag of Senegal.svg  Senegal 18,384,660(2023 [28] )96.4 %17,722,812
28Flag of Benin.svg  Benin 14,219,908(2023 [29] )23.8 %3,384,338
29Flag of Guinea.svg  Guinea 14,190,612(2023 [30] )45.1 %6,399,966
30Flag of Somalia.svg  Somalia 12,693,796(2023 [31] )99.0 % plus12,566,858
31Flag of Tunisia.svg  Tunisia 11,551,448(2019 [32] )99.0 % plus11,435,934
32Flag of Jordan.svg  Jordan 11,548,886(2024 [33] )97.2 %11,225,517
33Flag of Azerbaijan.svg  Azerbaijan 10,420,515(2023 [34] )96.9 %10,097,479
34Flag of Tajikistan.svg  Tajikistan 10,077,600(2023 [35] )96.7 %9,745,039
35Flag of the United Arab Emirates.svg  United Arab Emirates 9,282,410(2023 [36] )76.9 %7,138,173
36Flag of Sierra Leone.svg  Sierra Leone 8,908,040(2023 [37] )78.0 %6,948,271
37Flag of Togo (3-2).svg  Togo 8,703,961(2023 [38] )14.0 %1,218,555
38Flag of Libya.svg  Libya 7,252,573(2023 [39] )96.6 %7,005,986
39Flag of Turkmenistan.svg  Turkmenistan 7,057,841(2022 [40] )93.0 %6,563,792
40Flag of Kyrgyzstan.svg  Kyrgyzstan 7,037,590(2022 [41] )88.0 %6,193,079
41Flag of Palestine.svg  Palestine 5,613,463(2024 [42] )97.6 %5,478,740
42Flag of Lebanon.svg  Lebanon 5,331,203(2023 [43] )61.3 %3,268,027
43Flag of Mauritania.svg  Mauritania 4,244,878(2023 [44] )99.0 % plus4,202,429
44Flag of Oman.svg  Oman 3,833,465(2023 [45] )85.9 %3,292,946
45Flag of Kuwait.svg  Kuwait 3,103,580(2023 [46] )74.1 %2,299,753
46Flag of Qatar.svg  Qatar 2,795,484(2020 [47] )67.7 %1,892,543
47Flag of Albania.svg  Albania 2,793,592(2022 [48] )56.0 %1,564,412
48Flag of The Gambia.svg  Gambia 2,468,569(2023 [49] )95.1 %2,347,609
49Flag of Gabon.svg  Gabon 2,397,368(2023 [50] )11.2 %268,505
50Flag of Guinea-Bissau.svg  Guinea-Bissau 2,078,820(2023 [51] )45.1 %937,548
51Flag of Bahrain.svg  Bahrain 1,501,635(2020 [52] )70.3 %1,055,649
52Flag of Djibouti.svg  Djibouti 976,143(2023 [53] )96.9 %945,883
53Flag of the Comoros.svg  Comoros 888,378(2023 [54] )98.3 %873,276
54Flag of Guyana.svg  Guyana 817,607(2024 [55] )6.4 %52,327
55Flag of Suriname.svg  Suriname 639,759(2023 [56] )15.2 %97,243
56Flag of Maldives.svg  Maldives 515,132(2022 [57] )98.4 %506,890
57Flag of Brunei.svg  Brunei 460,345(2017 [58] )75.1 %345,719
Total for OIC members2,010,719,63280.7 % approx.1,622,726,299

Notes

  1. ↑ The membership of Syria in the OIC was suspended in August 2012 during the Syrian civil war. [1]
  2. ↑ This figure does not include data for Pakistan-administered areas of Kashmir; Azad Kashmir and Gilgit-Baltistan. [3]

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References

  1. ↑ "Organization of Islamic Cooperation suspends Syria's membership". Al Arabiya. 2012-08-13. Retrieved 2012-08-13.
  2. ↑ "Hasil Sensus Penduduk 2020" (PDF) (in Indonesian). Statistics Indonesia. 21 January 2021. p. 9. Archived (PDF) from the original on 22 January 2021. Retrieved 21 January 2021.
  3. ↑ "Announcement of Results of 7th Population and Housing Census-2023 'The Digital Census'" (PDF). Pakistan Bureau of Statistics (www.pbs.gov.pk). 5 August 2023. Retrieved 15 August 2023.
  4. ↑ "Nigeria". The World Factbook (2025 ed.). Central Intelligence Agency . Retrieved 4 March 2023.  (Archived 2022 edition.)
  5. ↑ "Population and Housing Census 2022: Post Enumeration Check (PEC) Adjusted Population" (PDF). Bangladesh Bureau of Statistics. 18 April 2023. Archived (PDF) from the original on 30 May 2023. Retrieved 30 May 2023.
  6. ↑ "Egypt". The World Factbook (2025 ed.). Central Intelligence Agency . Retrieved 22 June 2023.  (Archived 2023 edition.)
  7. ↑ "Iran". The World Factbook (2025 ed.). Central Intelligence Agency . Retrieved 22 June 2023.  (Archived 2023 edition.)
  8. ↑ "The Results of Address Based Population Registration System, 2023". www.tuik.gov.tr. Turkish Statistical Institute. 6 February 2024. Retrieved 6 February 2024.
  9. ↑ "Sudan". The World Factbook (2025 ed.). Central Intelligence Agency . Retrieved 24 September 2022.  (Archived 2022 edition.)
  10. ↑ "Uganda". The World Factbook (2025 ed.). Central Intelligence Agency . Retrieved 22 June 2023.  (Archived 2023 edition.)
  11. ↑ "Démographie" [Demography](PDF). Office National des Statistiques (in French). 1 January 2022. Archived (PDF) from the original on 4 April 2023. Retrieved 1 January 2022.
  12. ↑ "Iraq". The World Factbook (2025 ed.). Central Intelligence Agency . Retrieved 22 June 2023.  (Archived 2023 edition.)
  13. ↑ "Afghanistan". The World Factbook (2025 ed.). Central Intelligence Agency . Retrieved 25 February 2024.  (Archived 2023 edition.)
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  16. ↑ "Yemen population 2023 Estimate based on UN World Bank". worldpopulationreview.com. World population review.
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  22. ↑ "Niger". The World Factbook (2025 ed.). Central Intelligence Agency . Retrieved 22 June 2023.  (Archived 2023 edition.)
  23. ↑ "Syria". The World Factbook (2025 ed.). Central Intelligence Agency . Retrieved 22 June 2023.  (Archived 2023 edition.)
  24. ↑ "Burkina Faso". The World Factbook (2025 ed.). Central Intelligence Agency . Retrieved 22 June 2023.  (Archived 2023 edition.)
  25. ↑ "Mali". The World Factbook (2025 ed.). Central Intelligence Agency . Retrieved 22 June 2023.  (Archived 2023 edition.)
  26. ↑ "Kazakhstan's population hits the mark of 20 mln". inform.kz. 2023-11-16. Retrieved 17 November 2023.
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  29. ↑ "Benin". The World Factbook (2025 ed.). Central Intelligence Agency . Retrieved 22 June 2023.  (Archived 2023 edition.)
  30. ↑ "Guinea". The World Factbook (2025 ed.). Central Intelligence Agency . Retrieved 22 June 2023.  (Archived 2023 edition.)
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  33. ↑ "Population clock". Jordan Department of Statistics. Archived from the original on 18 August 2019. Retrieved 25 February 2024.
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  36. ↑ "Statistics by Subject - Population". Federal Competitiveness and Statistics Centre. Retrieved 2 November 2023.
  37. ↑ "Sierra Leone". The World Factbook (2025 ed.). Central Intelligence Agency . Retrieved 25 February 2024.  (Archived 2023 edition.)
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  39. ↑ "Libya". The World Factbook (2025 ed.). Central Intelligence Agency . Retrieved 25 February 2024.  (Archived 2023 edition.)
  40. ↑ ""Ilat ýazuwy — 2022": Türkmenistanyň ilaty 7 million 57 müň 841 adama deň boldy | Jemgyýet" (in Turkmen). August 2023.
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