Complex sentence: Today, Lutheranism is one of the largest denominations of Protestantism and Christianity overall, with approximately 80 million adherents, making it the third most common Protestant denomination after historically pentecostal denominations and Anglicanism.
Split into simpler sentences: Today, Lutheranism is one of the largest denominations of Protestantism. With approximately 80 million adherents, it constitutes the third most common Protestant denomination after historically Pentecostal denominations and Anglicanism.