This article lists political parties in Trinidad and Tobago. Trinidad and Tobago has a de facto two-party system.

The People's National Movement (PNM) and the United National Congress (UNC) are the two biggest political parties, and have supplied every Prime Minister since 1991. The UNC has governed Trinidad and Tobago from 1995-2001, 2010-2015 and since 2025. The PNM governed from 1956–86, 1991–95, 2001–2010, and 2015–2025.

The Tobago-based Tobago People's Party is the third biggest political party, with 2 members in the House of Representatives (Trinidad and Tobago), since 2025, and 13 members in the Tobago House of Assembly, since 2023. The PNM is the only political party which contests elections in both Trinidad and Tobago.

Political parties with representation at a local or national level

Name Founded Orientation Leader(s) House of Representatives Senate Councillors in municipal corporations Municipal corporations Tobago House of Assembly Membership TT vote share % (2025 general election)United National Congress 1989 Centre-left, Democratic socialism, Social democracy, Third Way Kamla Persad-Bissessar (N/A; Does not contest) 120,000+ (December 2020) 54.04People's National Movement 1955 Centre to Centre-left, Liberalism, Social liberalism, Moderate nationalism Pennelope Beckles-Robinson 105,894(November 2022) 36.18Tobago People's Party 2023 Tobago regionalism, Tobago self-determination Farley Chavez Augustine Not published 2.23Progressive Democratic Patriots 2016 Tobago regionalism, Tobago independence Watson Duke Not published 0.23

Other parties with symbols registered with the Elections And Boundaries Commission (EBC)

Innovative Democratic Alliance National Transformation Alliance Progressive Empowerment Party Independent Liberal Party Movement for Social Justice Movement for National Development Congress of the People Democratic Party of Trinidad and Tobago Laventille Outreach for Vertical Enrichment Trinidad and Tobago Democratic Front New National Vision Trinidad Humanity Campaign National Organization of We the People National Transformation Alliance Progressive Party One Tobago Voice Unrepresented Peoples Party Unity of the People The National Party Port of Spain People's Movement National Solidarity Assembly Patriotic Front Green Party

Defunct or dormant political parties Parties which have won seats in elections are in bold.

See also Politics of Trinidad and Tobago List of political parties by country

References Matthias Catón: "Trinidad and Tobago" in: Elections in the Americas. A Data Handbook, vol. 1, ed. by Dieter Nohlen. Oxford University Press, Oxford, 2005: pp. 627–646 Kirk Meighoo: Politics in a Half Made Society: Trinidad and Tobago, 1925-2002, 2003 Perry Mars: Ideology and Change: The Transformation of the Caribbean Left, Detroit, MI: Wayne State University Press, 1998. 230p.