As of April 2025, the population of Trinidad and Tobago is 1.5 million. The number of inhabitants has increased by 3 thousand in the last year, representing a growth of 0.18%. The median age of the population has increased in recent years, rising from 32.7 years in 2015 to 37.5 years in 2025. Currently, life expectancy at birth is 75.2 years and population density is 300.4 inhabitants per square kilometer.
The population growth rate of Trinidad and Tobago peaked in 1954, reaching around 2.91% annually, but has since declined to approximately 0.16% in 2025. The annual increase in the number of people has also decreased from a peak of around 42.6 thousand in 2018 to nearly 2.52 thousand in 2025.
In Trinidad and Tobago, life expectancy at birth has been increasing, with the indicator rising from 71.3 years in 2005 to 75.2 years in 2025, representing an increase of almost 4 years over the past 2 decades.
The cities of Trinidad and Tobago are small, with the 5 most populated adding up to around 263.9 thousand inhabitants. The most populous city is Chaguanas, with approximately 67.4 thousand inhabitants. It is followed by Mon Repos, San Fernando with 56.4 thousand and San Fernando with 55.4 thousand.
These are the 20 most populous cities in Trinidad and Tobago:
# | City | Population |
---|---|---|
1 | Chaguanas | 67,433 |
2 | Mon Repos, San Fernando | 56,380 |
3 | San Fernando | 55,419 |
4 | Port of Spain | 49,031 |
5 | Rio Claro, Mayaro | 35,650 |
6 | Arima, Borough of Arima | 35,000 |
7 | Marabella, San Fernando | 26,700 |
8 | Diego Martin, Diego Martin Regional Corporation | 25,370 |
9 | Laventille, San Juan/Laventille | 21,000 |
10 | Point Fortin | 19,056 |
# | City | Population |
---|---|---|
11 | Tunapuna, Tunapuna/Piarco | 17,758 |
12 | Scarborough, Tobago | 17,000 |
13 | Sangre Grande, Sangre Grande Regional Corporation | 15,968 |
14 | Paradise, Tunapuna/Piarco | 15,067 |
15 | Peñal, Penal/Debe | 12,281 |
16 | Arouca, Tunapuna/Piarco | 12,054 |
17 | Princes Town | 10,000 |
18 | Gasparillo, Couva-Tabaquite-Talparo | 9,925 |
19 | Siparia, Siparia Regional Corporation | 8,568 |
20 | Petit Valley, Diego Martin Regional Corporation | 8,140 |