| Year | Prime Minister |
| 1721 - 1742 | |
| 1742 – 1743 | |
| 1743 – 1754 | |
| 1754 – 1756 | |
| 1756 – 1757 | |
| 1757 – 1762 | |
| 1762 – 1763 | |
| 1763 – 1765 | |
| 1765 – 1766 | |
| 1766 – 1768 | |
| 1768 – 1770 | |
| 1770 – 1782 | |
| 1782 – 1782 | |
| 1782 – 1783 | |
| 1783 – 1783 | |
| 1783 – 1801 | |
| 1801 – 1804 | |
| 1804 – 1806 | |
| 1806 – 1807 | |
| 1807 – 1809 | |
| 1809 – 1812 | |
| 1812 – 1827 | |
| 1827 – 1827 | |
| 1827 – 1828 | |
| 1828 – 1830 | |
| 1828 – 1830 | |
| | Year | Prime Minister |
| 1834 – 1834 | |
| 1834 – 1834 | |
| 1834 – 1835 | |
| 1835 – 1841 | |
| 1841 – 1846 | |
| 1846 – 1852 | |
| 1852 – 1852 | |
| 1852 – 1855 | |
| 1855 – 1858 | |
| 1858 – 1859 | |
| 1859 – 1865 | |
| 1865 – 1866 | |
| 1866 – 1868 | |
| 1868 – 1868 | |
| 1868 – 1874 | |
| 1874 – 1880 | |
| 1880 – 1885 | |
| 1885 – 1886 | |
| 1886 – 1886 | |
| 1886 – 1892 | |
| 1892 – 1894 | |
| 1894 – 1895 | |
| 1895 – 1902 | |
| 1902 – 1905 | |
| 1905 – 1908 | |
| 1908 – 1916 | |
| | Year | Prime Minister |
| 1916 – 1922 | |
| 1922 – 1923 | |
| 1923 – 1924 | |
| 1924 – 1924 | |
| 1924 – 1929 | |
| 1929 – 1931 | |
| 1932 – 1935 | |
| 1935 – 1937 | |
| 1937 – 1940 | |
| 1940 – 1945 | |
| 1945 – 1951 | |
| 1951 – 1955 | |
| 1955 – 1957 | |
| 1957 – 1963 | |
| 1963 – 1964 | |
| 1964 – 1970 | |
| 1970 – 1974 | |
| 1974 – 1976 | |
| 1976 – 1979 | |
| 1979 – 1990 | |
| 1990 – 1997 | |
| 1997 – 2007 | |
| 2007 – 2010 | |
| 2010 – Present | |
|