Percent Sunni Muslim - Country rankings:
The average for 2013 was 64.3 percent.The highest value was in Algeria: 100 percent and the lowest value was in Iran: 9 percent. Below is a chart for all countries where data are available for: Percent Sunni Muslim.
Sunni Muslims as percent of the total population, 2013
(percent, Source: The Cline Center for Democracy, TheGlobalEconomy.com)