Demographics of the member states of the Organisation of Islamic Cooperation explained

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

10 countries (Benin, Cameroon, Gabon, Guinea-Bissau, Guyana, Ivory Coast, 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).

Total and Muslim population by OIC member state

RankOIC member stateTotal population
(all religions)		Percentage
Muslim (est.)		Population
Muslim (est.)
1 (2020[1]) %
2 (2023) %
3 (2022[2]) %
4 (2022[3]) %
5 (2023[4]) %
6 (2023[5]) % plus
7 (2023[6]) %
8 (2022[7]) %
9 (2023[8]) %
10 (2020[9]) %
11 (2023[10]) %
12<----> (2023[11]) % plus
13 (2022[12]) % plus
14 (2023[13]) %
15 (2022[14]) % plus
16 (2023[15]) %
17 (2023[16]) %
18 (2022[17]) %
19 (2023[18]) %
20 (2023[19]) %
21 (2023[20]) %
22 (2023[21]) %
23 (2023[22]) %
24 (2023[23]) %
25 (2023[24]) %
26 (2023[25]) %
27 (2023[26]) %
28 (2023[27]) %
29 (2023[28]) %
30 (2023[29]) % plus
31 (2019[30]) % plus
32 (2024[31]) %
33 (2023[32]) %
34 (2023[33]) %
35 (2023[34]) %
36 (2023[35]) %
37 (2023[36]) %
38 (2023[37]) %
39 (2022[38]) %
40 (2022[39]) %
41 (2024[40]) %
42 (2023[41]) %
43 (2023[42]) % plus
44 (2023[43]) %
45 (2023[44]) %
46 (2020[45]) %
47 (2022[46]) %
48 (2023[47]) %
49 (2023[48]) %
50 (2023[49]) %
51 (2020[50]) %
52 (2023[51]) %
53 (2023[52]) %
54 (2024[53]) %
55 (2023[54]) %
56 (2022[55]) %
57 (2017[56]) %
Total for OIC members % approx.

Notes and References

  1. Web site: id. Hasil Sensus Penduduk 2020. 9. 21 January 2021. Statistics Indonesia. live. 21 January 2021. https://web.archive.org/web/20210122154418/https://www.bps.go.id/website/materi_ind/materiBrsInd-20210121151046.pdf. 22 January 2021.
  2. Nigeria. 2022. 4 March 2023.
  3. Web site: Population and Housing Census 2022: Post Enumeration Check (PEC) Adjusted Population. 18 April 2023. Bangladesh Bureau of Statistics. live. 30 May 2023. https://web.archive.org/web/20230530205648/http://bbs.portal.gov.bd/sites/default/files/files/bbs.portal.gov.bd/page/b343a8b4_956b_45ca_872f_4cf9b2f1a6e0/2023-04-18-08-42-4f13d316f798b9e5fd3a4c61eae4bfef.pdf. 30 May 2023.
  4. Egypt. 2023. 22 June 2023.
  5. Iran. 2023. 22 June 2023.
  6. Web site: The Results of Address Based Population Registration System, 2023. 6 February 2024. Turkish Statistical Institute. www.tuik.gov.tr. 6 February 2024.
  7. Sudan. 2022. 24 September 2022.
  8. Uganda. 2023. 22 June 2023.
  9. Web site: fr. Démographie. Demography. Office National des Statistiques. 1 January 2022. live. 1 January 2022. https://web.archive.org/web/20230404005757/https://www.ons.dz/IMG/pdf/Demographie%20Algerienne2020.pdf. 4 April 2023.
  10. Iraq. 2023. 22 June 2023.
  11. Afghanistan. 2023. 25 February 2024.
  12. Web site: fr. Horloge de la population. 2022. HCP. 18 December 2022.
  13. Web site: Demographic situation in the Republic of Uzbekistan - 1/1/2023. 23. Statistics Agency of Uzbekistan. 23 December 2023.
  14. Web site: Yemen population 2023 Estimate based on UN World Bank. World population review. worldpopulationreview.com.
  15. Malaysia. 2023. 16 February 2024.
  16. Web site: Mozambique Population (2024) - Worldometer.
  17. Web site: Saudi Census 2022. General Statistics Authority - Kingdom of Saudi Arabia. portal.saudicensus.sa. 16 July 2023.
  18. Web site: 2023 World Population Data Sheet. Population Reference Bureau. 5 February 2024.
  19. Cameroon. 2023. 22 June 2023.
  20. Niger. 2023. 22 June 2023.
  21. Syria. 2023. 22 June 2023.
  22. Burkina Faso. 2023. 22 June 2023.
  23. Mali. 2023. 22 June 2023.
  24. Web site: Kazakhstan's population hits the mark of 20 mln. inform.kz. 2023-11-16. 17 November 2023.
  25. Chad. 2023. 22 June 2023.
  26. Senegal. 2023. 22 June 2023.
  27. Benin. 2023. 22 June 2023.
  28. Guinea. 2023. 22 June 2023.
  29. Somalia. 2023. 22 June 2023.
  30. Web site: National Institute of Statistics - Tunisia. dead. 2 March 2020. https://web.archive.org/web/20191128201634/http://www.ins.tn/en/themes/population. 28 November 2019.
  31. Web site: Population clock. Jordan Department of Statistics. live. 25 February 2024. https://web.archive.org/web/20190818112822/http://dosweb.dos.gov.jo/. 18 August 2019.
  32. Azerbaijan. 2023. 25 February 2024.
  33. Web site: Agency on Statistics under President of the Republic of Tajikistan. 1 January 2023. 2 January 2024.
  34. Web site: Statistics by Subject - Population. Federal Competitiveness and Statistics Centre. 2 November 2023.
  35. Sierra Leone. 2023. 25 February 2024.
  36. Togo. 2023. 25 February 2024.
  37. Libya. 2023. 25 February 2024.
  38. Web site: tk. "Ilat ýazuwy — 2022": Türkmenistanyň ilaty 7 million 57 müň 841 adama deň boldy | Jemgyýet. August 2023 .
  39. Web site: ky. Это мальчик! В Кыргызстане родился семимиллионный житель. 19 October 2022. economist.kg.
  40. Web site: Estimated Population in the Palestine Mid-Year by Governorate,1997-2026. 26 May 2021. Palestinian Central Bureau of Statistics. live. 25 February 2024. https://web.archive.org/web/20221207112233/https://www.pcbs.gov.ps/statisticsIndicatorsTables.aspx?lang=en&table_id=676. 7 December 2022.
  41. Lebanon. 2023. 25 February 2024.
  42. Mauritania. 2023. 25 February 2024.
  43. Oman. 2023. 25 February 2024.
  44. Mauritania. 2023. 25 February 2024.
  45. Web site: Population structure. 31 January 2020. Ministry of Development Planning and Statistics. mdps.gov.qa. dead. 7 February 2017. https://web.archive.org/web/20180626135815/https://www.mdps.gov.qa/en/statistics1/StatisticsSite/Pages/Population.aspx. 26 June 2018.
  46. Web site: sq. Popullsia e Shqipërisë. 1 January 2022. Instituti i Statistikës (INSTAT). dead. 22 August 2022. https://web.archive.org/web/20220822111024/http://www.instat.gov.al/al/temat/treguesit-demografik%C3%AB-dhe-social%C3%AB/popullsia/publikimet/2022/popullsia-e-shqip%C3%ABris%C3%AB-1-janar-2022/. 22 August 2022.
  47. Mauritania. 2023. 25 February 2024.
  48. Gabon. 2023. 25 February 2024.
  49. Guinea-Bissau. 2023. 25 February 2024.
  50. Web site: Bahrain 2020 Census. 28 February 2021. Information and eGovernment Authority. dead. 5 April 2021. https://web.archive.org/web/20210502014151/https://www.data.gov.bh/en/ResourceCenter/DownloadFile?id=3582. 2 May 2021.
  51. Djibouti. 2023. 25 February 2024.
  52. Comoros. 2023. 25 February 2024.
  53. Web site: Guyana Population (2024) – Worldometer. www.worldometers.info. 25 February 2024.
  54. Guinea-Bissau. 2023. 25 February 2024.
  55. Web site: Census Results Summary. census.gov.mv. 30 November 2023.
  56. Web site: Department of Economic Planning and Development - Population. www.depd.gov.bn. dead. 12 December 2017. https://web.archive.org/web/20170320011146/http://www.depd.gov.bn/SitePages/Population.aspx. 20 March 2017.

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