As of 2021, the Parliament of Trinidad and Tobago has 41 parliamentary constituencies across the constituent islands, each electing a single Member of Parliament (MP) to the House of Representatives by the plurality (first past the post) system of election, ordinarily every five years. Voting last took place in all 41 of those constituencies at the Trinidad and Tobago general election on 7 September 2015, and these results have been counted and verified.