Original sentence: The Church of Jesus Christ of Latter-day Saints is the largest denomination, which in 2005 reported a worldwide membership of over 12.5 million (many of these do not consider themselves members although their names are kept in church records as members); the second largest is the Community of Christ with about 250,000 members
Edited sentence: The Church of Jesus Christ of Latter-day Saints is the largest denomination, with over 12.2 million members of record (the vast majority of these do not consider themselves members although their names are kept in church records as members); the second largest is the Community of Christ with about 250,000 members