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Members of this conservative Christian faith came to Pennsylvania in the early 18th century to escape persecution in Europe for their Anabaptist beliefs. The Pennsylvania Amish community in Lancaster County is the oldest and largest Amish community in the United States, numbering about 30,000. The population has more than doubled in size in the past 20 years. The Amish have their roots in the Mennonite community.
As of 2000, over 165,000 Old Order Amish live in the United States and about 1,500 live in Canada. A 2008 study suggested their numbers have increased to 227,000, and in 2010 a study suggested their population had grown by 10 percent in the past two years to 249,000, with increasing movement to the West.mish church groups seek to maintain a degree of separation from the non-Amish world, i.e. American and Canadian society. There is generally a heavy emphasis on church and family relationships. They typically operate their own one-room schools and discontinue formal education after grade eight, at age 13/14.