The Presbyterian Church (USA), abbreviated PCUSA, is a mainline Protestant denomination in the United States. It is the largest Presbyterian denomination in the country, known for its liberal stance on doctrine and its ordaining of women and members of the LGBT community as elders and ministers. The Presbyterian Church (USA) was established with the 1983 merger of the Presbyterian Church in the United States, whose churches were located in the Southern and border states, with the United Presbyterian Church in the United States of America, whose congregations could be found in every state.
The church maintains a Book of Confessions, a collection of historic and contemporary creeds and catechisms, including its own Brief Statement of Faith. It is a member of the World Communion of Reformed Churches. The similarly named Presbyterian Church in America (PCA) is a separate denomination whose congregations can also trace their history to the various schisms and mergers of Presbyterian churches in the United States. Unlike the more conservative Presbyterian Church in America, the Presbyterian Church (USA) supports the ordination of women and affirms same-sex marriages. It also welcomes practicing gay and lesbian persons to serve in leadership positions as ministers, deacons, elders, and trustees.
The Presbyterian Church (USA) is the largest Presbyterian denomination in the United States, reporting 1,094,733 active members and 17,978 ordained ministers (including retired ones) in 8,572 congregations at the end of 2023. This number does not include members who are baptized but not confirmed, or the inactive members also affiliated. For example, in 2005, the Presbyterian Church (USA) claimed 318,291 baptized but not confirmed members and nearly 500,000 inactive members in addition to active members. In 2025, Pew Research Center estimated that 1 percent of US adults, or approximately 2.6 million people, self-identified with the PC(USA). Its membership has been steadily declining over the past several decades; the trend has significantly accelerated in recent years, partly due to breakaway congregations. Average denominational worship attendance dropped from 748,774 in 2013 to 445,414 in 2023.
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