The Mennonite Church USA (MC USA) is an Anabaptist Christian denomination in the United States. Although the organization is a recent 2002 merger of the Mennonite Church and the General Conference Mennonite Church, the body has roots in the Radical Reformation of the 16th century. Total membership in Mennonite Church USA denominations decreased from about 133,000, before the merger in 1998, to a total membership of 120,381 in the Mennonite Church USA in 2001 and 78,892 members in 2016. In May 2021 the main page of their website stated a membership of about 62,000. Source: Wikipedia (en)