Living presidents of the United States of presidents alive at each moment in United States history: Living presidents as of ("from oldest to youngest"): There have been four time periods with six living presidents, the incumbent and five former presidents: There have been six time periods when the incumbent president was the only living president, having no living predecessors: Notably, Richard Nixon is the only person to have been both the only living U.S. president (from January 1973 to August 1974) and one of six living presidents (from January 1993 to April 1994). There have been several gatherings of all the living presidents. Below are photographs
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