Percent Shia Muslim - Country rankings:
The average for 2013 was 31.6 percent.The highest value was in Iran: 90 percent and the lowest value was in Bulgaria: 1 percent. Below is a chart for all countries where data are available for: Percent Shia Muslim.
Shia Muslims as percent of the total population, 2013
(percent, Source: The Cline Center for Democracy, TheGlobalEconomy.com)