Before revision: The twelve largest Mennonite/Anabaptist groups are: Mennonite Brethren (426,581 members in 2010 worldwide) Old Order Amish (383,565 members in 2023 worldwide) Meserete Kristos Church in Ethiopia ( 120,600 members ; 126 ,000 more followers attending alike churches ) Old Colony Mennonite Church (120,000 in the U.S., Canada, Mexico, Bolivia, Paraguay, Belize and Argentina) Communauté Mennonite au Congo 87,000 members Old Order Mennonites with 60,000 to 80,000 members in the U.S., Canada and Belize Mennonite Church USA with about 62,000 members in the United StatesMennonite Church USA: Who Are The Mennonites , at mennoniteusa.org.
After revision: The twelve largest Mennonite/Anabaptist groups are: Mennonite Brethren (426,581 members in 2010 worldwide) Old Order Amish (383,565 members in 2023 worldwide) Meserete Kristos Church in Ethiopia ( 295,500 members in 2017; over 500 ,000 attendance ) Old Colony Mennonite Church (120,000 in the U.S., Canada, Mexico, Bolivia, Paraguay, Belize and Argentina) Communauté Mennonite au Congo 87,000 members Old Order Mennonites ( 60,000 to 80,000 members in the U.S., Canada and Belize Mennonite Church USA ( about 62,000 members in the United States)Mennonite()) Church USA: Who Are The Mennonites , at mennoniteusa.org.