5 Most Religious Countries in the World

3. Niger

Affiliation with religion: 99%

Weekly worship attendance: 88%

Percentage of people who pray daily: 87%

Perception of religion as very important: 86%

Score: 3.60

Niger in West Africa ranks third in the list of the most religious countries in the world. 98% of the population in Niger is Muslim. The country received a score of 3.60 in our analysis of the four metrics considered by PEW in its survey on religious commitment across countries and regions. 86% of the citizens surveyed in Niger regarded religion as ‘very important’.