Life Teen is a Catholic youth ministry organization and movement in the United States. According to Life Teen, "Eucharist-based ministry has the power to transform teens, parishes, and culture". Life Teen is best known for its parish-based programs. The Life Teen program for high-school teenagers is used by over 1,800 Catholic parishes in 31 countries. In 2003, they launched the Edge program for middle-school pupils, which is now used by almost 1,000 parishes in 10 countries. As of 2005, over 100,000 high-school-aged Catholics in the US attend Life Teen each week.