Top 50 Most Influential Churches The 2005 survey was sent to 2,000 church leaders with the goal of ranking the nation’s fastest growing churches and churches with more than 2,000 weekend attendance. The 127 churches nominated for the 50 Most Influential Churches survey were located in 32 states and represented 27 affiliation groups and/or denominations. The term affiliation is used to include networks of unaffiliated, independent churches.