The Christian Reformed Church is a congregation that seeks to spread the gospel with a five-fold calling with roots in the Reformation of the 16th century. The individual churches collaborate through regional assemblies, uniting the church. The five-fold calling includes faith formation, servant leadership, a global mission, mercy and justice, and gospel proclamation and worship. The Christian Reformed Church serves its community with a number of ways to get involved. They are a binational congregation having churches both in the United States and Canada, with 230,000 members.