An alternative to gdp

 Here is the ranking of the top 40 OIC Muslim-majority nations based strictly on The People Score (personal piety, social morality, and religious devotion), ordered from highest adherence to lowest:

OIC Adherence: The People (Out of 10)

1. Somalia: 9.9 / 10
2. Afghanistan: 9.8 / 10
3. Yemen: 9.8 / 10
4. Mauritania: 9.7 / 10
5. Senegal: 9.6 / 10
6. Mali: 9.6 / 10
7. Indonesia: 9.5 / 10
8. Gambia: 9.5 / 10
9. Pakistan: 9.4 / 10
10. Nigeria: 9.4 / 10
11. Sudan: 9.4 / 10
12. Bangladesh: 9.3 / 10
13. Saudi Arabia: 9.2 / 10
14. Libya: 9.2 / 10
15. Egypt: 9.1 / 10
16. Algeria: 9.0 / 10
17. Morocco: 8.9 / 10
18. Oman: 8.8 / 10
19. Jordan: 8.8 / 10
20. Iraq: 8.7 / 10
21. Malaysia: 8.6 / 10
22. Maldives: 8.5 / 10
23. Kuwait: 8.3 / 10
24. Qatar: 8.1 / 10
25. Syria: 7.9 / 10
26. Tajikistan: 7.8 / 10
27. Bahrain: 7.6 / 10
28. United Arab Emirates: 7.5 / 10
29. Uzbekistan: 7.4 / 10
30. Guyana: 7.0 / 10
31. Suriname: 6.9 / 10
32. Kyrgyzstan: 6.9 / 10
33. Tunisia: 6.8 / 10
34. Turkmenistan: 6.5 / 10
35. Lebanon: 6.4 / 10
36. Turkey (Türkiye): 6.2 / 10
37. Iran: 5.9 / 10
38. Kazakhstan: 4.1 / 10
39. Albania: 3.8 / 10
40. Azerbaijan: 3.5 / 10