There is no country that is 100% Muslim or even claims to be 100% Muslim. There are, however, multiple countries over 90% Muslim:
- Morocco (99.9%)
- Afghanistan (99.8%)
- Tunisia (99.8%)
- Iran (99.6%)
- Mauritania (99.2%)
- Yemen (99%)
- Tajikistan (99%)
- Iraq (98.9%)
- Jordan (98.8%)
- Turkey (98.6%)
- Somalia (98.6%)
- Azerbaijan (98.4%)
- Maldives (98.4%)
- Niger (98.3%)
- Comoros (98.3%)
- Algeria (98.2%)
- Saudi Arabia (97.1%)
- Djibouti (97%)
- Sudan (97%)
- Libya (96.6%)
- Uzbekistan (96.5%)
- Pakistan (96.4%)
- Senegal (95.9%)
- Gambia (95.3%)
- Turkmenistan (93.3%)
- Syria (92.8%)
- Mali (92.4%)
- Kosovo (91.7%)
- Bangladesh (90.4%)
