# List of Arizona state legislatures

The legislature of the U.S. state of Arizona has convened many times since statehood became effective on February 14, 1912. It continues to operate under the amended Constitution of Arizona of 1912.

## Territorial legislatures, 1864-1909

| Name | Start date | End date |
| 1st Arizona Territorial Legislature | September 26, 1864 | 1864 |
| 2nd Arizona Territorial Legislature | December 6, 1865 | |
| 3rd Arizona Territorial Legislature | October 3, 1866 | November 6, 1866 |
| 4th Arizona Territorial Legislature | September 4, 1867 | October 7, 1867 |
| 5th Arizona Territorial Legislature | November 10, 1868 | December 16, 1868 |
| 6th Arizona Territorial Legislature | January 11, 1871 | February 14, 1871 |
| 7th Arizona Territorial Legislature | January 6, 1873 | |
| 8th Arizona Territorial Legislature | January 4, 1875 | February 12, 1875 |
| 9th Arizona Territorial Legislature | January 1, 1877 | |
| 10th Arizona Territorial Legislature | January 6, 1879 | |
| 11th Arizona Territorial Legislature | January 3, 1881 | |
| 12th Arizona Territorial Legislature | January 8, 1883 | |
| 13th Arizona Territorial Legislature | January 12, 1885 | |
| 14th Arizona Territorial Legislature | January 10, 1887 | March 10, 1887 |
| 15th Arizona Territorial Legislature | January 21, 1889 | April 11, 1889 |
| 16th Arizona Territorial Legislature | January 19, 1891 | |
| 17th Arizona Territorial Legislature | February 13, 1893 | April 13, 1893 |
| 18th Arizona Territorial Legislature | January 21, 1895 | March 21, 1895 |
| 19th Arizona Territorial Legislature | January 18, 1897 | March 18, 1897 |
| 20th Arizona Territorial Legislature | January 16, 1899 | March 16, 1899 |
| 21st Arizona Territorial Legislature | January 21, 1901 | March 21, 1901 |
| 22nd Arizona Territorial Legislature | January 19, 1903 | March 19, 1903 |
| 23rd Arizona Territorial Legislature | January 16, 1905 | March 16, 1905 |
| 24th Arizona Territorial Legislature | January 21, 1907 | March 21, 1907 |
| 25th Arizona Territorial Legislature | January 18, 1909 | March 18, 1909 |

## State legislatures, 1912-present

| Name | Start date | End date | Last election |
| 1st Arizona State Legislature | March 18, 1912 | December 31, 1914 | December 12, 1911 |
| 2nd Arizona State Legislature | January 1, 1915 | December 31, 1916 | |
| 3rd Arizona State Legislature | January 1, 1917 | December 31, 1918 | |
| 4th Arizona State Legislature | January 1, 1919 | December 31, 1920 | |
| 5th Arizona State Legislature | January 1, 1921 | December 31, 1922 | |
| 6th Arizona State Legislature | January 1, 1923 | December 31, 1924 | |
| 7th Arizona State Legislature | January 1, 1925 | December 31, 1926 | |
| 8th Arizona State Legislature | January 1, 1927 | December 31, 1928 | |
| 9th Arizona State Legislature | January 1, 1929 | December 31, 1930 | |
| 10th Arizona State Legislature | January 1, 1931 | December 31, 1932 | |
| 11th Arizona State Legislature | January 1, 1933 | December 31, 1934 | |
| 12th Arizona State Legislature | January 1, 1935 | December 31, 1936 | |
| 13th Arizona State Legislature | January 1, 1937 | December 31, 1938 | |
| 14th Arizona State Legislature | January 1, 1939 | December 31, 1940 | |
| 15th Arizona State Legislature | January 1, 1941 | December 31, 1942 | |
| 16th Arizona State Legislature | January 1, 1943 | December 31, 1944 | |
| 17th Arizona State Legislature | January 1, 1945 | December 31, 1946 | |
| 18th Arizona State Legislature | January 1, 1947 | December 31, 1948 | |
| 19th Arizona State Legislature | January 1, 1949 | December 31, 1950 | |
| 20th Arizona State Legislature | January 1, 1951 | December 31, 1952 | |
| 21st Arizona State Legislature | January 1, 1953 | December 31, 1954 | |
| 22nd Arizona State Legislature | January 1, 1955 | December 31, 1956 | |
| 23rd Arizona State Legislature | January 1, 1957 | December 31, 1958 | November 1956: House, Senate |
| 24th Arizona State Legislature | January 1, 1959 | December 31, 1960 | November 1958: House, Senate |
| 25th Arizona State Legislature | January 1, 1961 | December 31, 1962 | November 1960: House, Senate |
| 26th Arizona State Legislature | January 1, 1963 | December 31, 1964 | November 1962: House, Senate |
| 27th Arizona State Legislature | January 1, 1965 | December 31, 1966 | November 1964: House, Senate |
| 28th Arizona State Legislature | January 1, 1967 | December 31, 1968 | November 1966: House, Senate |
| 29th Arizona State Legislature | January 1, 1969 | December 31, 1970 | November 1968: House, Senate |
| 30th Arizona State Legislature | January 1, 1971 | December 31, 1972 | November 1970: House, Senate |
| 31st Arizona State Legislature | January 1, 1973 | December 31, 1974 | November 1972: House, Senate |
| 32nd Arizona State Legislature | January 1, 1975 | December 31, 1976 | November 1974: House, Senate |
| 33rd Arizona State Legislature | January 1, 1977 | December 31, 1978 | November 1976: House, Senate |
| 34th Arizona State Legislature | January 1, 1979 | December 31, 1980 | November 1978: House, Senate |
| 35th Arizona State Legislature | January 1, 1981 | December 31, 1982 | November 1980: House, Senate |
| 36th Arizona State Legislature | January 1, 1983 | December 31, 1984 | November 1982: House, Senate |
| 37th Arizona State Legislature | January 1, 1985 | December 31, 1986 | November 1984: House, Senate |
| 38th Arizona State Legislature | January 1, 1987 | December 31, 1988 | November 1986: House, Senate |
| 39th Arizona State Legislature | January 1, 1989 | December 31, 1990 | November 1988: House, Senate |
| 40th Arizona State Legislature | January 1, 1991 | December 31, 1992 | November 1990: House, Senate |
| 41st Arizona State Legislature | January 1, 1993 | December 31, 1994 | November 1992: House, Senate |
| 42nd Arizona State Legislature | January 1, 1995 | December 31, 1996 | November 1994: House, Senate |
| 43rd Arizona State Legislature | January 1, 1997 | December 31, 1998 | November 1996: House, Senate |
| 44th Arizona State Legislature | January 1, 1999 | December 31, 2000 | November 1998: House, Senate |
| 45th Arizona State Legislature | January 1, 2001 | December 31, 2002 | November 2000: House, Senate |
| 46th Arizona State Legislature | January 1, 2003 | December 31, 2004 | November 2002: House, Senate |
| 47th Arizona State Legislature | January 1, 2005 | December 31, 2006 | November 2004: House, Senate |
| 48th Arizona State Legislature | January 1, 2007 | December 31, 2008 | 2006 Arizona Legislature election |
| 49th Arizona State Legislature | January 1, 2009 | December 31, 2010 | November 2008: House, Senate |
| 50th Arizona State Legislature | January 1, 2011 | December 31, 2012 | November 2010: Senate |
| 51st Arizona State Legislature | January 1, 2013 | December 31, 2014 | November 2012 |
| 52nd Arizona State Legislature | January 1, 2015 | December 31, 2016 | November 2014: Senate |
| 53rd Arizona State Legislature | January 1, 2017 | December 31, 2018 | November 2016: Senate |
| 54th Arizona State Legislature | January 1, 2019 | December 31, 2020 | November 2018 |
| 55th Arizona State Legislature | January 1, 2021 | December 31, 2022 | November 2020: House, Senate |
| 56th Arizona State Legislature | January 1, 2023 | December 31, 2024 | November 8, 2022: House, Senate |
| 57th Arizona State Legislature | 2025 | | November 2024: House, Senate |