At present, IOFS is comprised of 37 countries out of 57 OIC states, 14 of which ratified the Statute.
Member states Entry date
1
Burkina Faso 2013
2
Islamic Republic of Afghanistan 2013
3
Islamic Republic of Iran 2013
4
Islamic Republic of Mauritania 2013
5
Islamic Republic of Pakistan 2013
6
Republic of Djibouti 2013
7
Republic of Guinea 2013
8
Republic of Guinea-Bissau 2013
9
Republic of Kazakhstan 2013
10
Republic of Mali 2013
11
Republic of Sierra Leone 2013
12
Republic of Somalia 2013
13
Republic of Sudan 2013
14
Republic of Suriname 2013
15
Republic of The Gambia 2013
16
Republic of Türkiye 2013
17
Republic of Uganda 2013
18
Republic of Benin 2015
19
Republic of Niger 2013
20
State of Palestine 2013
21
Union of the Comoros 2013
22
State of Libya 2014
23
Republic of Cameroon 2015
24
United Arab Emirates 2015
25
Arab Republic of Egypt 2016
26
Cote d'Ivoire 2016
27
Kingdom of Saudi Arabia 2016
28
Republic of Tajikistan 2016
29
State of Kuwait 2016
30
People’s Republic of Bangladesh 2016
31
Republic of Mozambique 2016
32
State of Qatar 2016
33
Republic of Senegal 2017
34
Federal Republic of Nigeria 2019
35
Kingdom of Morocco 2021
36
Republic of Chad 2022
37
Republic of Tunisia 2021