Demographics of the member states of the Organisation of Islamic Cooperation

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This is a list of 57 member states of the Organisation of Islamic Cooperation sorted by their estimated population. It is sourced from the global list of countries by population page, as of July 2008^[update].

Population

Rank	Country	Total Population (all religions)
1	Indonesia	249,865,600
2	Pakistan	182,142,605
3	Nigeria	173,615,300
4	Bangladesh	156,595,000
5	Egypt	82,056,400
6	Turkey	74,932,600
7	Iran	77,472,782
8	Algeria	39,208,000
9	Morocco	33,224,000
10	Sudan	30,894,000
11	Uganda	37,578,900
12	Iraq	33,417,500
13	Uzbekistan	30,241,100
14	Malaysia	29,717,000
15	Afghanistan	30,551,700
16	Saudi Arabia	28,828,900
17	Yemen	24,407,400
18	Mozambique	25,833,800
19	Syria	22,845,600
20	Ivory Coast	20,316,100
21	Cameroon	22,254,000
22	Kazakhstan	17,037,500
23	Burkina Faso	16,934,800
24	Niger	17,831,300
25	Senegal	14,133,000
26	Mali	15,301,700
27	Chad	12,825,300
28	Tunisia	10,886,500
29	Guinea	11,745,200
30	Benin	10,323,500
31	Somalia	10,495,000
32	Azerbaijan	9,416,600
33	Tajikistan	8,207,800
34	Togo	6,817,000
35	Libya	6,201,500
36	Jordan	6,459,000
37	Sierra Leone	6,092,100
38	Kyrgyzstan	5,719,500
39	Turkmenistan	4,965,000
40	United Arab Emirates	9,346,100
41	Lebanon	4,467,400
42	Palestine	4,017,000
43	Albania	2,773,600
44	Mauritania	3,889,900
45	Kuwait	3,368,600
46	Oman	3,632,400
47	Gambia	1,849,300
48	Guinea-Bissau	1,704,300
49	Gabon	1,671,700
50	Qatar	2,168,700
51	Djibouti	879,932
52	Bahrain	1,332,200
53	Guyana	799,613
54	Comoros	734,917
55	Suriname	539,276
56	Brunei	417,784
57	Maldives	345,023
	Total (all religions)	1,624,953,617