Religion in Russia
According to the Constitution of the Russian Federation (effective 1993) the country is defined as a secular state with a freedom and the equality of all religions, though during the recent years the Government imposed restrictions on certain groups.
Historically, Orthodox Christianity was adopted in Russia since the 10 th century. Nowadays it is the dominant religious group, more than half the population adhere to the Russian Orthodox Church, the second largest religious community in Russia is represented by numerous Muslim associations mostly concentrated in the Republics of Tatarstan and Bashkortostan and the region of Caucasus. Depending on demographic, ethnic and other reasons, other religious communities of Russia include Baptists, Seventh Day Adventists, Evangelicals, Old Believers, Roman Catholics, Krishnaites, Buddhists, Judaists, and Unified Evangelical Lutherans.