ScienceDaily -- A new census of the Amish population in the United States estimates that a new Amish community is founded, on average, about every 3 ½ weeks, and shows that more than 60 percent of all existing Amish settlements have been founded since 1990.
This pattern suggests the Amish are growing more rapidly than most other religions in the United States, researchers say. Unlike other religious groups, however, the growth is not driven by converts joining the faith, but instead can be attributed to large families and high rates of baptism.
MORE: http://www.sciencedaily.com/releases/2012/07/120727131544.htm