| Term | Prime Minister | Political Party |
| 1848 | |
| 1848-1849 | |
| 1849 | |
| 1867-1871 | |
| 1871-1872 | |
| 1872-1874 | |
| 1874-1875 | |
| 1875 | |
| 1875-1890 | |
| 1890-1892 | |
| 1892-1895 | |
| 1895-1899 | |
| 1899-1903 | |
| 1903 | |
| 1903-1905 | |
| 1905-1906 | |
| 1906-1910 | |
| 1910-1912 | |
| 1912-1913 | |
| 1913-1917 | |
| 1917 | |
| 1917-1918 | |
| 1918 | |
| | Term | Prime Minister | Political Party |
| 1918-1919 | |
| 1919 | |
| 1919 | |
| 1919 | |
| 1919 | |
| 1919-1920 | |
| 1920 | |
| 1920-1921 | |
| 1921-1931 | |
| 1931-1932 | |
| 1932-1936 | |
| 1936-1938 | |
| 1938-1939 | |
| 1939-1941 | |
| 1941-1942 | |
| 1942-1944 | |
| 1944 | |
| 1944 | |
| 1944-1945 | |
| 1944-1945 | |
| 1945-1946 | |
| 1946-1947 | |
| 1947-1948 | |
| | Term | Prime Minister | Political Party |
| 1948-1952 | |
| 1952-1953 | |
| 1953-1955 | |
| 1955-1956 | |
| 1956 | |
| 1956-1958 | |
| 1958-1961 | |
| 1961-1965 | |
| 1965-1967 | |
| 1967-1975 | |
| 1975-1987 | |
| 1987-1988 | |
| 1988-1990 | |
| 1990-1993 | |
| 1993-1994 | |
| 1994-1998 | |
| 1998-2002 | |
| 2002-2004 | |
| 2004-2009 | |
| 2009-2010 | |
| 2010- | |
|