The predominant religion in the United States is Christianity, which encompasses a diverse range of denominations and beliefs. Approximately 70% of Americans identify as Christians, with the largest groups being evangelical Protestants, mainline Protestants, and Roman Catholics. While Christianity is the predominant faith, the U.S. is also home to a variety of other religious beliefs and practices, including Judaism, Islam, Buddhism, and Hinduism. The Constitution ensures freedom of religion, fostering a multicultural religious landscape that reflects the nation's diversity and allows individuals to practice their faith openly.