The 2004 survey of Religion and politics in the United States identified the Evangelical percentage of the population at 26.3%; while Catholics are 22% and Mainline Protestants make up 16%. This is the fourth survey undertaken by Dr. Green to measure political attitudes and religion in the United States. http://en.wikipedia.org/wiki/Evangelicals
Bush’s moral majority is not, as is often thought, composed of a bunch of right-wing evangelical Christians. Rather, it consists of traditionalist and observant church-goers of every kind: Catholic and mainline Protestant, as well as evangelicals, Mormons,