Number of one-year-olds who are not vaccinated against Haemophilus influenzae type B in Trinidad and Tobago
Trinidad and Tobago: Number of one-year-olds who are not vaccinated against Haemophilus influenzae type B was 658.36 one-year-olds in 2023. ◆ Volatile
Number of one-year-olds who are not vaccinated against Haemophilus influenzae type B in Trinidad and Tobago, 1998–2023
Source: WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in one-year-olds.
Analysis
In 2023, number of one-year-olds who are not vaccinated against haemophilus influenzae type b in Trinidad and Tobago stood at 658.36 one-year-olds.
The figure is down 44.2% on the previous year and down 56.6% over ten years.
Over the whole period, number of one-year-olds who are not vaccinated against haemophilus influenzae type b in Trinidad and Tobago peaked at 18,251 one-year-olds in 1998 and was at its lowest, 181.02 one-year-olds, in 2018.
Trinidad and Tobago ranks 156th of 191 countries on this measure, in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Number of one-year-olds who are not vaccinated against Haemophilus influenzae type B in Trinidad and Tobago, year by year
| Year | one-year-olds | Change |
|---|---|---|
| 1998 | 18,251 one-year-olds | — |
| 1999 | 9,868 one-year-olds | -45.9% |
| 2000 | 4,972 one-year-olds | -49.6% |
| 2001 | 2,857 one-year-olds | -42.5% |
| 2002 | 7,778 one-year-olds | +172.2% |
| 2003 | 1,509 one-year-olds | -80.6% |
| 2004 | 1,125 one-year-olds | -25.4% |
| 2005 | 935.05 one-year-olds | -16.9% |
| 2006 | 2,063 one-year-olds | +120.6% |
| 2007 | 2,271 one-year-olds | +10.1% |
| 2008 | 1,905 one-year-olds | -16.1% |
| 2009 | 1,910 one-year-olds | +0.2% |
| 2010 | 1,911 one-year-olds | +0.1% |
| 2011 | 1,911 one-year-olds | +0.0% |
| 2012 | 1,525 one-year-olds | -20.2% |
| 2013 | 1,517 one-year-olds | -0.5% |
| 2014 | 1,505 one-year-olds | -0.8% |
| 2015 | 1,862 one-year-olds | +23.7% |
| 2016 | 552.45 one-year-olds | -70.3% |
| 2017 | 2,002 one-year-olds | +262.4% |
| 2018 | 181.02 one-year-olds | -91.0% |
| 2019 | 1,252 one-year-olds | +591.4% |
| 2020 | 702.48 one-year-olds | -43.9% |
| 2021 | 1,035 one-year-olds | +47.4% |
| 2022 | 1,180 one-year-olds | +13.9% |
| 2023 | 658.36 one-year-olds | -44.2% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 14,059 one-year-olds | 9,868 one-year-olds | 18,251 one-year-olds | 2 |
| 2000s | 2,733 one-year-olds | 935.05 one-year-olds | 7,778 one-year-olds | 10 |
| 2010s | 1,422 one-year-olds | 181.02 one-year-olds | 2,002 one-year-olds | 10 |
| 2020s | 893.96 one-year-olds | 658.36 one-year-olds | 1,180 one-year-olds | 4 |
Countries ranked near Trinidad and Tobago
- 153 Micronesia, Federated States of 805.86 one-year-olds compare
- 154 Greece 775.15 one-year-olds compare
- 155 Cyprus 748.45 one-year-olds compare
- 157 Bahamas 564.59 one-year-olds compare
- 158 Costa Rica 525.6 one-year-olds compare
- 159 Saint Lucia 525.46 one-year-olds compare
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Frequently asked questions
- What is number of one-year-olds who are not vaccinated against haemophilus influenzae type b in Trinidad and Tobago?
- Number of one-year-olds who are not vaccinated against haemophilus influenzae type b in Trinidad and Tobago was 658.36 one-year-olds in 2023, according to WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest number of one-year-olds who are not vaccinated against haemophilus influenzae type b recorded in Trinidad and Tobago?
- The highest recorded value was 18,251 one-year-olds in 1998.
- What is the lowest number of one-year-olds who are not vaccinated against haemophilus influenzae type b recorded in Trinidad and Tobago?
- The lowest recorded value was 181.02 one-year-olds in 2018.
- How does Trinidad and Tobago rank for number of one-year-olds who are not vaccinated against haemophilus influenzae type b?
- Trinidad and Tobago ranks 156th out of 191 countries with data for 2023.
- Is number of one-year-olds who are not vaccinated against haemophilus influenzae type b rising or falling in Trinidad and Tobago?
- Over the last ten years it is down 56.6%. The long-run trend across the full record is volatile.
- Where does this Trinidad and Tobago data come from?
- The figures come from WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Number of one-year-olds who are not vaccinated against Haemophilus influenzae type B. Statizoid updates them automatically from the source API.
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About this data
Number of one-year-olds who have not had three doses of Haemophilus influenzae type b vaccine in a given year.