The United Pentecostal Church International (UPCI) has been among the fastest growing church organizations since it was formed in 1945 by the merger of the Pentecostal Church Incorporated and the Pentecostal Assemblies of Jesus Christ. From 521 churches in 1945, the UPCI in the United States and Canada grew to 4,459 churches (including daughter works and preaching points) and 9,413 ministers in 2013. more... See more text