All Protestant denominations accounted for 48.5% of the population, making Protestantism the most prevalent form of Christianity in the country and the majority religion in general in the United States, while the Catholic Church by itself, at 22.7%, is the largest individual denomination. The nation's second-largest church and the single largest Protestant denomination is the Southern Baptist Convention. Among Eastern Christian denominations, there are several Eastern Orthodox and Oriental Orthodox churches, with just below 1 million adherents in the US, or 0.4% of the total population.