Before revision: The 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.
After revision: The 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 ( 86,600 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.