But today even the individual denomination of "Evangelical" Protestant outnumbers Roman Catholics at 26%.
Evangelical Protestants outnumber Catholics by 26.3 percent (59 million) to 24 percent (54 million) of the population, according to the U.S. Religious Landscape Survey, a massive 45-question poll conducted last summer of more than 35,000 American adults. There is no question that the demographic balance has shifted in past few decades toward evangelical churches, said Greg Smith, a research fellow at the Pew Forum. They are now the mainline of American Protestantism. "Evangelical Christianity has become the largest religious tradition in this country, supplanting Roman Catholicism, which is slowly bleeding members, according to a survey released yesterday by the Pew Forum on Religion and Public Life.
Sure, if you count all the denominations as one body. Do you really want to be lumped in with the Unitarians?