Eastern Orthodoxy by country

[1][2][3] The numerous Protestant groups in the world, if taken all together, substantially outnumber the Eastern Orthodox,[4] but they differ theologically and do not form a single communion.

Significant minorities are present in several European countries: Bosnia and Herzegovina (31%),[11] Latvia (18%), Estonia (14%), Albania (7%),[16] Lithuania (4%), Croatia (4%), Slovenia (2%), and Finland (1.5%).

In the former Soviet republics of Central Asia, Eastern Orthodoxy constitutes the dominant religion in northern Kazakhstan, representing 23.9% of the population of the region,[17] and is also a significant minority in Kyrgyzstan (17%), Turkmenistan (5%), Uzbekistan (5%), Azerbaijan (2%),[11] and Tajikistan (1%).

immigration and missionary activity have raised[citation needed] the numbers of Eastern Orthodox adherents in traditionally Catholic and Protestant countries, including Australia, Austria, Germany, Italy, Spain, Canada and Switzerland, where they comprise roughly 2% of the population in each.

[citation needed] However, a 2010 study by Alexei Krindatch sought data from each parish, with the specific criteria of annual participation, discovering that there were only about 817,000 Eastern Orthodox Christians actively practicing their faith (i.e., attending church services on a regular basis) in the United States.

This study, while initially controversial, proved groundbreaking, and has since been officially approved for use by the Assembly of Canonical Orthodox Bishops of the United States of America.