Question: Percent of Orthodox Christians who say they recognize the patriarch of: Moscow, Constantinople, or their national patriarch, as the highest authority of the Orthodox Church.
Source: Pew Research Center
Date: May 10, 2017
Universe: Country: Armenia, Belarus, Bosnia, Bulgaria, Croatia, Czech Republic, Estonia, Georgia, Greece, Hungary, Latvia, Lithuania, Moldova, Poland, Romania, Russia, Serbia, Ukraine
Sample Size: 4151