| Date | Pollster | Sample size | PNM | UNC | Other | Legislative majority |
| 24 Apr 2025 | NACTA publishes a poll with their result being that there is no clear front-runner and that the results will come down to marginal seats. They also concluded that smaller parties, not part of the Coalition of Interests, are unlikely to win any seats. The results concluded that nationwide, the UNC had a slight advantage over the PNM in popular votes. In Tobago they concluded that the PNM is ahead in Tobago West, while Tobago East remains highly competitive. |
| 20 Apr 2025 | Guardian Media Limited publishes a poll by Prof. Hamid Ghany in which the UNC is in the lead with 45% of the votes, the PNM with 30%, the PF with 7%, and the NTA with 6% for the marginal seats in Trinidad. For the two seats in Tobago the PNM is leading with 47%, the TPP with 32%, and the PDP with 4%. |
| 18 Mar 2025 | The Office of the Prime Minister announces that general elections will be held on April 28th. |
| 17 Mar 2025 | Stuart Young is sworn in as Prime Minister of Trinidad and Tobago by President Christine Kangaloo, along with his newly formed cabinet. |
| 16 Mar 2025 | Keith Rowley officially resigns from the position of prime minister, remains party leader of PNM. |
| 6 Jan 2025 | Prime Minister Keith Rowley announces that PNM MP's voted to select Stuart Young, PNM party chairman and MP for Port-of-Spain North/St. Ann's West, to succeed him as the country's prime minister. |
| 3 Jan 2025 | Prime Minister Keith Rowley announces his intention to resign as prime pinister and MP for Diego Martin West. |
| 16 December 2024 | Lisa Morris-Julian, the MP for D'Abadie/O'Meara and the 2025 PNM prospective candidate for Malabar/Mausica (the new name for the D'Abadie/O'Meara constituency from the 2025 general election), along with two of her children, die in a fire. |
| 9 Sep 2024 | NACTA/Newday | 490 | 25 | 16 | 0 | 5 |
| 9 Sep 2024 | | Five dissident UNC MPs reshuffled in the House of Representatives |
| 17 Jun 2024 | | 2024 Local Government By-Elections: PNM wins Lengua/Indian Walk, breaking the 2023 Trinidadian local election tie with the UNC for the seat and number of councillors elected islandwide, UNC retains control of Quinam/Morne Diablo |
| 15 Jun 2024 | | 2024 United National Congress internal election: Opposition Leader Kamla Persad-Bissessar retains leadership of the UNC with 76.47% of the vote. |
| 14 August 2023 | | PNM ties in number of councillors and corporations won with the UNC in the 2023 Trinidadian local elections |
| 12 August 2023 | | The Tobago People's Party is formed comprising all ex-PDP Tobago House of Assembly members, besides PDP leader Watson Duke, leaving Duke as the sole PDP member of the THA |
| 26 Jun 2023 | | UNC and NTA form an alliance to contest the 2023 Trinidadian local elections |
| 20 Jan 2023 | | 2023 Trinidad and Tobago presidential election; Christine Kangaloo is elected president, succeeding Paula-Mae Weekes |
| Nov-Dec 2022 | | 2022 People's National Movement leadership election: Prime Minister Keith Rowley retains leadership of the PNM with 92.46% of the vote. |
| 24 Apr 2022 | | 2022 Tobago Council of the PNM election; Ancil Dennis succeeds Tracy Davidson-Celestine as PNM Tobago leader |
| 6 Dec 2021 | | January 2021 Tobago House of Assembly election: PDP wins a historic landslide victory, ending 21 consecutive years of PNM rule, Farley Chavez Augustine replaces Ancil Dennis as Chief Secretary of Tobago |
| 21 Oct 2021 | | UNC motion to impeach President Paula-Mae Weekes fails |
| 25 Jan 2021 | | PNM and PDP win an equal number of seats in the January 2021 Tobago House of Assembly election |
| 10 Aug 2020 | 2020 general election | | 22 | 19 | 0 | 3 |