Share of one-year-olds vaccinated against diphtheria, tetanus in Trinidad and Tobago
Trinidad and Tobago: Share of one-year-olds vaccinated against diphtheria, tetanus was 97.0% in 2025. ▲ Rising
Share of one-year-olds vaccinated against diphtheria, tetanus and pertussis in Trinidad and Tobago, 1980–2025
Source: WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in %.
Analysis
In 2025, share of one-year-olds vaccinated against diphtheria, tetanus and pertussis in Trinidad and Tobago stood at 97.0%.
The figure is up 6.6% on the previous year and up 1.0% over ten years.
Over the whole period, share of one-year-olds vaccinated against diphtheria, tetanus and pertussis in Trinidad and Tobago peaked at 99.0% in 2018 and was at its lowest, 26.0%, in 1980.
Trinidad and Tobago ranks 33rd of 195 countries on this measure, in the top quarter.
The long-run direction has been consistently rising across the 46 years of available data.
Share of one-year-olds vaccinated against diphtheria, tetanus in Trinidad and Tobago, year by year
| Year | % | Change |
|---|---|---|
| 1980 | 26.0% | — |
| 1981 | 62.0% | +138.5% |
| 1982 | 54.0% | -12.9% |
| 1983 | 60.0% | +11.1% |
| 1984 | 65.0% | +8.3% |
| 1985 | 75.0% | +15.4% |
| 1986 | 70.0% | -6.7% |
| 1987 | 79.0% | +12.9% |
| 1988 | 82.0% | +3.8% |
| 1989 | 77.0% | -6.1% |
| 1990 | 82.0% | +6.5% |
| 1991 | 82.0% | +0.0% |
| 1992 | 87.0% | +6.1% |
| 1993 | 81.0% | -6.9% |
| 1994 | 85.0% | +4.9% |
| 1995 | 89.0% | +4.7% |
| 1996 | 89.0% | +0.0% |
| 1997 | 90.0% | +1.1% |
| 1998 | 91.0% | +1.1% |
| 1999 | 90.0% | -1.1% |
| 2000 | 90.0% | +0.0% |
| 2001 | 91.0% | +1.1% |
| 2002 | 96.0% | +5.5% |
| 2003 | 91.0% | -5.2% |
| 2004 | 94.0% | +3.3% |
| 2005 | 95.0% | +1.1% |
| 2006 | 92.0% | -3.2% |
| 2007 | 88.0% | -4.3% |
| 2008 | 90.0% | +2.3% |
| 2009 | 90.0% | +0.0% |
| 2010 | 90.0% | +0.0% |
| 2011 | 90.0% | +0.0% |
| 2012 | 92.0% | +2.2% |
| 2013 | 92.0% | +0.0% |
| 2014 | 92.0% | +0.0% |
| 2015 | 96.0% | +4.3% |
| 2016 | 97.0% | +1.0% |
| 2017 | 90.0% | -7.2% |
| 2018 | 99.0% | +10.0% |
| 2019 | 93.0% | -6.1% |
| 2020 | 99.0% | +6.5% |
| 2021 | 94.0% | -5.1% |
| 2022 | 93.0% | -1.1% |
| 2023 | 96.0% | +3.2% |
| 2024 | 91.0% | -5.2% |
| 2025 | 97.0% | +6.6% |
Trinidad and Tobago compared with similar countries
- Trinidad and Tobago's 97.0% is above the median for high income countries, which is 95.0%, 1.0× the median. (63 countries reporting)
- Trinidad and Tobago's 97.0% is above the median for Latin America & Caribbean, which is 87.0%, 1.1× the median. (33 countries reporting)
Biggest year-on-year movements
Years where Share of one-year-olds vaccinated against diphtheria, tetanus in Trinidad and Tobago changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1981 | +138.5% | 26.0% | 62.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 65.0% | 26.0% | 82.0% | 10 |
| 1990s | 86.6% | 81.0% | 91.0% | 10 |
| 2000s | 91.7% | 88.0% | 96.0% | 10 |
| 2010s | 93.1% | 90.0% | 99.0% | 10 |
| 2020s | 95.0% | 91.0% | 99.0% | 6 |
Countries ranked near Trinidad and Tobago
More reference data data for Trinidad and Tobago
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.0696 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.0589 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.165 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.0005 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 0.165 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.2333 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.0945 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 0.3189 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 0.7976 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.0027 (2050)
Frequently asked questions
- What is share of one-year-olds vaccinated against diphtheria, tetanus and pertussis in Trinidad and Tobago?
- Share of one-year-olds vaccinated against diphtheria, tetanus and pertussis in Trinidad and Tobago was 97.0% in 2025, according to WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest share of one-year-olds vaccinated against diphtheria, tetanus and pertussis recorded in Trinidad and Tobago?
- The highest recorded value was 99.0% in 2018.
- What is the lowest share of one-year-olds vaccinated against diphtheria, tetanus and pertussis recorded in Trinidad and Tobago?
- The lowest recorded value was 26.0% in 1980.
- How does Trinidad and Tobago rank for share of one-year-olds vaccinated against diphtheria, tetanus and pertussis?
- Trinidad and Tobago ranks 33rd out of 195 countries with data for 2025.
- Is share of one-year-olds vaccinated against diphtheria, tetanus and pertussis rising or falling in Trinidad and Tobago?
- Over the last ten years it is up 1.0%. The long-run trend across the full record is rising.
- Where does this Trinidad and Tobago data come from?
- The figures come from WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Share of one-year-olds vaccinated against diphtheria, tetanus and pertussis. Statizoid updates them automatically from the source API.
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About this data
Share of one-year-olds who have had three doses of the combined diphtheria, tetanus and pertussis vaccine in a given year.