The country has an area of 80,154 square miles and a population of 9.7 million. According to January 2009 data from the Office of the Plenipotentiary Representative for Religious and Nationality Affairs (OPRRNA), approximately 60 percent of citizens consider themselves religious, of whom an estimated 80 percent belong to the BOC, 14 percent to the Roman Catholic Church, 4 percent to Eastern religious groups (including Muslims, Hare Krishnas, and Baha'is), and 2 percent to Protestant groups (including Seventh-day Adventists, Apostolic Christians, and Lutherans) as well as Old Believers and Jehovah's Witnesses. Of those who identify as Belarusian Orthodox or Roman Catholic, 18 and 50 percent, respectively, regularly attend church services. There are also adherents of the Greek Catholic Church and of Orthodox groups other than the BOC. Jewish groups stated that between 30,000 and 50,000 persons identify themselves as Jewish. Most Jews are not religiously active.
In January 2009 OPRRNA reported 3,218 religious organizations of 25 religious confessions and denominations in the country, including 3,062 registered religious communities and 156 national and confessional organizations (monasteries, brotherhoods, and missionary sites). This included the following: 1,473 Belarusian Orthodox, 500 Evangelical Christian, 467 Roman Catholic, 269 Evangelical Christian Baptist, 72 Seventh-day Adventist, 54 Full Gospel Christians, 32 Old Believer, 29 Jewish, 27 Lutheran, 26 Jehovah's Witnesses, 25 Muslim, 21 New Apostolic Church, 17 Progressive Judaism, 14 Greek Catholic, nine Apostolic Christian, six Hare Krishna, five Baha'i, five Christ's Church, four Church of Jesus Christ of Latter-day Saints (Mormon), two Messianic, one Reform Church, one Presbyterian, one Armenian Apostolic, one Latin Catholic, and one St. Jogan Church.