The Liberal Democratic Party (LDP; Japanese: 自由民主党, romanized: Jiyū-Minshutō), also known as Jimintō (自民党), is a major conservative and nationalist political party in Japan. Since its foundation in 1955, the LDP has been in power almost continuously—a period known as the 1955 System—except from 1993 to 1996, and again from 2009 to 2012. Sanae Takaichi has served as president of the LDP since 4 October 2025.