# List of parliaments of Sri Lanka

This is a complete list of all Sri Lankan parliaments since 1931, including their beginnings, endings, and dates of sessions.

## List of parliaments

| # | Parliament | Began | Session | Session opened | Session adjourned | Ended | Duration | Governing party |
| State Council of Ceylon (1931–1947) ||||||||||
| 1 | 1st State Council | 6 July 1931 | | | | 7 December 1935 | 4 years, 5 months and 1 day | None |
| 2 | 2nd State Council | 16 March 1936 | | | | 4 July 1947 | 11 years, 3 months and 18 days | None |
| Parliament of Ceylon (1947–1972) ||||||||||
| 3 | 1st Parliament | 14 October 1947 | 1 | 25 November 1947 | 31 January 1948 | 8 April 1952 | 4 years, 5 months and 25 days | United National Party |
| 3 | 1st Parliament | 14 October 1947 | 2 | 10 February 1948 | 17 June 1949 | 8 April 1952 | 4 years, 5 months and 25 days | United National Party |
| 3 | 1st Parliament | 14 October 1947 | 3 | 12 July 1949 | 6 April 1950 | 8 April 1952 | 4 years, 5 months and 25 days | United National Party |
| 3 | 1st Parliament | 14 October 1947 | 4 | 20 June 1950 | 24 April 1951 | 8 April 1952 | 4 years, 5 months and 25 days | United National Party |
| 3 | 1st Parliament | 14 October 1947 | 5 | 20 June 1951 | 8 April 1952 | 8 April 1952 | 4 years, 5 months and 25 days | United National Party |
| 4 | 2nd Parliament | 9 June 1952 | 1 | 10 June 1952 | 29 April 1953 | 18 February 1956 | 3 years, 8 months and 9 days | United National Party |
| 4 | 2nd Parliament | 9 June 1952 | 2 | 7 July 1953 | 31 March 1954 | 18 February 1956 | 3 years, 8 months and 9 days | United National Party |
| 4 | 2nd Parliament | 9 June 1952 | 3 | 12 April 1954 | 27 April 1955 | 18 February 1956 | 3 years, 8 months and 9 days | United National Party |
| 4 | 2nd Parliament | 9 June 1952 | 4 | 7 June 1955 | 18 February 1956 | 18 February 1956 | 3 years, 8 months and 9 days | United National Party |
| 5 | 3rd Parliament | 19 April 1956 | 1 | 20 April 1956 | 3 May 1957 | 5 December 1959 | 3 years, 7 months and 16 days | SLFP led Mahajana Eksath Peramuna |
| 5 | 3rd Parliament | 19 April 1956 | 2 | 13 June 1957 | 15 May 1958 | 5 December 1959 | 3 years, 7 months and 16 days | SLFP led Mahajana Eksath Peramuna |
| 5 | 3rd Parliament | 19 April 1956 | 3 | 4 June 1958 | 23 May 1959 | 5 December 1959 | 3 years, 7 months and 16 days | SLFP led Mahajana Eksath Peramuna |
| 5 | 3rd Parliament | 19 April 1956 | 4 | 30 June 1959 | 5 December 1959 | 5 December 1959 | 3 years, 7 months and 16 days | SLFP led Mahajana Eksath Peramuna |
| 6 | 4th Parliament | 30 March 1960 | 1 | 6 April 1960 | 23 April 1960 | 23 April 1960 | 24 days | United National Party |
| 7 | 5th Parliament | 5 August 1960 | 1 | 12 August 1960 | 4 July 1961 | 17 December 1964 | 4 years, 4 months and 12 days | Sri Lanka Freedom Party |
| 7 | 5th Parliament | 5 August 1960 | 2 | 13 July 1961 | 20 June 1962 | 17 December 1964 | 4 years, 4 months and 12 days | Sri Lanka Freedom Party |
| 7 | 5th Parliament | 5 August 1960 | 3 | 11 July 1962 | 6 May 1963 | 17 December 1964 | 4 years, 4 months and 12 days | Sri Lanka Freedom Party |
| 7 | 5th Parliament | 5 August 1960 | 4 | 17 July 1963 | 12 March 1964 | 17 December 1964 | 4 years, 4 months and 12 days | Sri Lanka Freedom Party |
| 7 | 5th Parliament | 5 August 1960 | 5 | 2 July 1964 | 12 November 1964 | 17 December 1964 | 4 years, 4 months and 12 days | Sri Lanka Freedom Party |
| 7 | 5th Parliament | 5 August 1960 | 6 | 20 November 1964 | 17 December 1964 | 17 December 1964 | 4 years, 4 months and 12 days | Sri Lanka Freedom Party |
| 8 | 6th Parliament | 5 April 1965 | 1 | 9 April 1965 | 22 June 1966 | 25 March 1970 | 4 years, 11 months and 20 days | United National Party |
| 8 | 6th Parliament | 5 April 1965 | 2 | 8 July 1966 | 20 June 1967 | 25 March 1970 | 4 years, 11 months and 20 days | United National Party |
| 8 | 6th Parliament | 5 April 1965 | 3 | 8 July 1967 | 22 June 1968 | 25 March 1970 | 4 years, 11 months and 20 days | United National Party |
| 8 | 6th Parliament | 5 April 1965 | 4 | 7 July 1968 | 25 June 1969 | 25 March 1970 | 4 years, 11 months and 20 days | United National Party |
| 8 | 6th Parliament | 5 April 1965 | 5 | 10 July 1969 | 25 March 1970 | 25 March 1970 | 4 years, 11 months and 20 days | United National Party |
| 9 | 7th Parliament | 7 June 1970 | 1 | 14 June 1970 | 23 March 1971 | 22 May 1972 | 1 year, 11 months and 15 days | Sri Lanka Freedom Party |
| 9 | 7th Parliament | 7 June 1970 | 2 | 28 March 1971 | 22 May 1972 | 22 May 1972 | 1 year, 11 months and 15 days | Sri Lanka Freedom Party |
| National State Assembly (1972–1978) ||||||||||
| 10 | 1st National State Assembly | 22 May 1972 | 1 | 22 May 1972 | 10 February 1977 | 10 February 1977 | 4 years, 8 months and 19 days | Sri Lanka Freedom Party |
| 11 | 2nd National State Assembly | 4 August 1977 | 1 | 4 August 1977 | 7 September 1978 | 7 September 1978 | 1 year, 1 month and 3 days | United National Party |
| Parliament of Sri Lanka (1978–present) ||||||||||
| 12 | 8th Parliament | 7 September 1978 | 1 | 7 September 1978 | 26 March 1982 | 20 December 1988 | 10 years, 3 months and 13 days | United National Party |
| 12 | 8th Parliament | 7 September 1978 | 2 | 29 April 1982 | 7 January 1983 | 20 December 1988 | 10 years, 3 months and 13 days | United National Party |
| 12 | 8th Parliament | 7 September 1978 | 3 | 9 February 1983 | 19 January 1984 | 20 December 1988 | 10 years, 3 months and 13 days | United National Party |
| 12 | 8th Parliament | 7 September 1978 | 4 | 23 February 1984 | 25 January 1985 | 20 December 1988 | 10 years, 3 months and 13 days | United National Party |
| 12 | 8th Parliament | 7 September 1978 | 5 | 20 February 1985 | 31 January 1986 | 20 December 1988 | 10 years, 3 months and 13 days | United National Party |
| 12 | 8th Parliament | 7 September 1978 | 6 | 20 February 1986 | 27 January 1987 | 20 December 1988 | 10 years, 3 months and 13 days | United National Party |
| 12 | 8th Parliament | 7 September 1978 | 7 | 19 February 1987 | 22 January 1988 | 20 December 1988 | 10 years, 3 months and 13 days | United National Party |
| 12 | 8th Parliament | 7 September 1978 | 8 | 25 February 1988 | 20 December 1988 | 20 December 1988 | 10 years, 3 months and 13 days | United National Party |
| 13 | 9th Parliament | 9 March 1989 | 1 | 9 March 1989 | 23 March 1990 | 24 June 1994 | 5 years, 3 months and 15 days | UNP led coalition |
| 13 | 9th Parliament | 9 March 1989 | 2 | 4 April 1990 | 21 March 1991 | 24 June 1994 | 5 years, 3 months and 15 days | UNP led coalition |
| 13 | 9th Parliament | 9 March 1989 | 3 | 19 April 1991 | 30 August 1991 | 24 June 1994 | 5 years, 3 months and 15 days | UNP led coalition |
| 13 | 9th Parliament | 9 March 1989 | 4 | 24 September 1991 | 23 March 1993 | 24 June 1994 | 5 years, 3 months and 15 days | UNP led coalition |
| 13 | 9th Parliament | 9 March 1989 | 5 | 22 April 1993 | 24 June 1994 | 24 June 1994 | 5 years, 3 months and 15 days | UNP led coalition |
| 14 | 10th Parliament | 25 August 1994 | 1 | 25 August 1994 | 15 December 1994 | 18 August 2000 | 5 years, 11 months and 24 days | SLFP led People's Alliance |
| 14 | 10th Parliament | 25 August 1994 | 2 | 6 January 1995 | 12 January 1996 | 18 August 2000 | 5 years, 11 months and 24 days | SLFP led People's Alliance |
| 14 | 10th Parliament | 25 August 1994 | 3 | 9 February 1996 | 18 August 2000 | 18 August 2000 | 5 years, 11 months and 24 days | SLFP led People's Alliance |
| 15 | 11th Parliament | 18 October 2000 | 1 | 18 October 2000 | 27 October 2000 | 10 October 2001 | 11 months and 22 days | SLFP led People's Alliance |
| 15 | 11th Parliament | 18 October 2000 | 2 | 9 November 2000 | 10 July 2001 | 10 October 2001 | 11 months and 22 days | SLFP led People's Alliance |
| 15 | 11th Parliament | 18 October 2000 | 3 | 6 September 2001 | 10 October 2001 | 10 October 2001 | 11 months and 22 days | SLFP led People's Alliance |
| 16 | 12th Parliament | 19 December 2001 | 1 | 19 December 2001 | 3 November 2003 | 7 February 2004 | 2 years, 1 month and 19 days | UNP led United National Front |
| 16 | 12th Parliament | 19 December 2001 | 2 | 19 November 2003 | 7 February 2004 | 7 February 2004 | 2 years, 1 month and 19 days | UNP led United National Front |
| 17 | 13th Parliament | 22 April 2004 | 1 | 22 April 2004 | 21 November 2005 | 9 February 2010 | 5 years, 9 months and 18 days | SLFP led United People's Freedom Alliance |
| 17 | 13th Parliament | 22 April 2004 | 2 | 25 November 2005 | 6 May 2008 | 9 February 2010 | 5 years, 9 months and 18 days | SLFP led United People's Freedom Alliance |
| 17 | 13th Parliament | 22 April 2004 | 3 | 5 June 2008 | 17 May 2009 | 9 February 2010 | 5 years, 9 months and 18 days | SLFP led United People's Freedom Alliance |
| 17 | 13th Parliament | 22 April 2004 | 4 | 19 May 2009 | 9 February 2010 | 9 February 2010 | 5 years, 9 months and 18 days | SLFP led United People's Freedom Alliance |
| 18 | 14th Parliament | 22 April 2010 | 1 | 22 April 2010 | 26 June 2015 | 26 June 2015 | 5 years, 2 months and 4 days | SLFP led United People's Freedom Alliance |
| 19 | 15th Parliament | 1 September 2015 | 1 | 1 September 2015 | 12 April 2018 | 2 March 2020 | 4 years, 6 months and 1 day | UNP led United National Front for Good Governance |
| 19 | 15th Parliament | 1 September 2015 | 2 | 8 May 2018 | 27 October 2018 | 2 March 2020 | 4 years, 6 months and 1 day | UNP led United National Front for Good Governance |
| 19 | 15th Parliament | 1 September 2015 | 3 | 14 November 2018 | 2 December 2019 | 2 March 2020 | 4 years, 6 months and 1 day | UNP led United National Front for Good Governance |
| 19 | 15th Parliament | 1 September 2015 | 4 | 3 January 2020 | 2 March 2020 | 2 March 2020 | 4 years, 6 months and 1 day | UNP led United National Front for Good Governance |
| 20 | 16th Parliament | 20 August 2020 | 1 | 20 August 2020 | 12 December 2021 | 24 September 2024 | 4 years, 1 month and 4 days | SLPP led Sri Lanka People's Freedom Alliance |
| 20 | 16th Parliament | 20 August 2020 | 2 | 18 January 2022 | 28 July 2022 | 24 September 2024 | 4 years, 1 month and 4 days | SLPP led Sri Lanka People's Freedom Alliance |
| 20 | 16th Parliament | 20 August 2020 | 3 | 3 August 2022 | 27 January 2023 | 24 September 2024 | 4 years, 1 month and 4 days | SLPP led Sri Lanka People's Freedom Alliance |
| 20 | 16th Parliament | 20 August 2020 | 4 | 8 February 2023 | 26 January 2024 | 24 September 2024 | 4 years, 1 month and 4 days | SLPP led Sri Lanka People's Freedom Alliance |
| 20 | 16th Parliament | 20 August 2020 | 5 | 7 February 2024 | 24 September 2024 | 24 September 2024 | 4 years, 1 month and 4 days | SLPP led Sri Lanka People's Freedom Alliance |
| 21 | 17th Parliament | 21 November 2024 | 1 | 21 November 2024 | TBA | Incumbent | 1 month and 8 days | JVP led National People's Power |