The U.S. government estimates the total population at 9.8 million (midyear 2020 estimate). According to the 2011 national census, which included an optional question on religious affiliation, of the 73 percent of the population that responded, 51 percent identified as Roman Catholic, 16 percent as Hungarian Reformed Church (Calvinist), 3 percent as Lutheran, 2 percent as Greek Catholic, and less than 1 percent as Jewish; 23 percent reported no religious affiliation, and 2 percent said they were atheists. Other religious groups together constituting less than 5 percent of the population include Greek Orthodox, the Faith Congregation (a Pentecostal group), the Church of Scientology (COS), Russian and other Orthodox Christian groups, other Christian denominations, Buddhists, Muslims, and the Hungarian Society for Krishna Consciousness. The Hungarian Evangelical Brotherhood (MET) has approximately 8,500 members, according to a 2013 news report, and the Hungarian Pentecostal Church approximately 9,300 members, according to the 2011 census. The World Jewish Congress estimates the Jewish population to be between 35,000 and 120,000 persons. Local Jewish organizations estimate approximately 100,000 citizens with Jewish heritage live in the country, primarily in Budapest. Other religious groups are distributed throughout the country.