What's the actual difference between Catholic and Protestant beliefs?
The Straight Answer
Both share the core Christian claims about Jesus, but disagree significantly on the sources of authority, the nature of salvation, and several specific practices, differences serious enough to have caused a formal split in the 1500s that has never fully healed.
Authority
Catholic teaching holds scripture and church tradition together carry authority, interpreted through the Magisterium, the Church's teaching office headed by the Pope. Protestant traditions generally hold to sola scriptura, scripture alone as the final authority, rejecting the idea that church tradition carries equal binding weight.
Salvation
Catholic teaching holds salvation involves faith combined with cooperation through sacraments and good works, sustained through ongoing grace. Most Protestant traditions hold to sola fide, salvation by faith alone, with good works flowing from salvation rather than contributing to it.
Specific Practices
Catholic tradition includes seven sacraments, prayer to saints and Mary for intercession, purgatory, and a celibate priesthood. Most Protestant traditions recognize only two ordinances, baptism and communion, reject prayer to saints, and generally reject purgatory as unbiblical.
Worth Knowing
These aren't the only two Christian traditions. Eastern Orthodox Christianity predates the Catholic-Protestant split entirely, separating from Rome in 1054, and holds its own distinct positions on several of these same questions.
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