Religious affiliations of Presidents of the United States body. Protestants predominate, with Episcopalians and Presbyterians being the most prevalent. There have been four Nontrinitarian presidents, and a single Roman Catholic president (John F. Kennedy). No president thus far has been openly an atheist. However, it has been acknowledged that two US Presidents—Thomas Jefferson and Andrew Johnson—had no religious affiliation. Most presidents have been formal members of a particular church or religious body, and a specific affiliation can be assigned to every president from James A. Garfield on. For many earlier presidents, however, formal church membership was forestalled until they left office; and in several cases a president never
Former Presidents Act living former presidents: Herbert Hoover and Harry S. Truman. Dwight D. Eisenhower was the first president to fall under the act upon leaving office. The original act provided for lifetime Secret Service protection for former presidents. In 1997, it was reduced to 10 years for presidents taking office after 1997. The 1997 amendment was reverted by the "Former Presidents Protection Act of 2012" (). All living former presidents and their spouses after Dwight D. Eisenhower are now entitled to receive lifetime Secret Service protection. By law, former presidents are entitled to a pension, staff and office expenses, medical care or