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 1956âÂÂ86, 1991âÂÂ95, 2001âÂÂ2010, and 2015âÂÂ2025.
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.
Parties which have won seats in elections are in bold.