This is a list of the largest megachurches in the United States with an attendance of more than 10,000 weekly, sometimes also termed a gigachurch. According to The Hartford Institute's database, approximately 50 churches had attendance ranging from 10,000 to 47,000 in 2010. The same source also lists more than 1,300 such Protestant and Evangelical churches in the United States with a weekly attendance of more than 2,000, meeting the definition of a megachurch.