Number of one-year-olds who are not vaccinated against hepatitis B in Trinidad and Tobago
Trinidad and Tobago: Number of one-year-olds who are not vaccinated against hepatitis B was 658.36 one-year-olds in 2023. ◆ Volatile
Number of one-year-olds who are not vaccinated against hepatitis B in Trinidad and Tobago, 2002–2023
Source: WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in one-year-olds.
Analysis
The most recent figure for number of one-year-olds who are not vaccinated against hepatitis b in Trinidad and Tobago is 658.36 one-year-olds, measured in 2023.
That represents a change of 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 hepatitis b in Trinidad and Tobago peaked at 18,022 one-year-olds in 2002 and was at its lowest, 181.02 one-year-olds, in 2018.
Trinidad and Tobago ranks 155th of 189 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 hepatitis B in Trinidad and Tobago, year by year
| Year | one-year-olds | Change |
|---|---|---|
| 2002 | 18,022 one-year-olds | — |
| 2003 | 4,526 one-year-olds | -74.9% |
| 2004 | 1,125 one-year-olds | -75.1% |
| 2005 | 935.05 one-year-olds | -16.9% |
| 2006 | 2,063 one-year-olds | +120.6% |
| 2007 | 2,081 one-year-olds | +0.9% |
| 2008 | 1,905 one-year-olds | -8.5% |
| 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 |
|---|---|---|---|---|
| 2000s | 4,071 one-year-olds | 935.05 one-year-olds | 18,022 one-year-olds | 8 |
| 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
More health data for Trinidad and Tobago
- Un projection of annual infant deaths, annual growth rate 0 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate -0.1463 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 1,638 deaths per 1,000 people (2090)
- Number of infants who die before age 1 24 deaths (2100)
- Population ages 0-14, female, annual growth rate -1.55 % change on previous year (2025)
- Population ages 0-14, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 0-14, female, per capita 0.0859 units per person (2025)
- Population ages 0-14, male, annual growth rate -1.55 % change on previous year (2025)
- Population ages 0-14, male, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 0-14, male, per capita 0.089 units per person (2025)
Frequently asked questions
- What is number of one-year-olds who are not vaccinated against hepatitis b in Trinidad and Tobago?
- Number of one-year-olds who are not vaccinated against hepatitis 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 hepatitis b recorded in Trinidad and Tobago?
- The highest recorded value was 18,022 one-year-olds in 2002.
- What is the lowest number of one-year-olds who are not vaccinated against hepatitis 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 hepatitis b?
- Trinidad and Tobago ranks 155th out of 189 countries with data for 2023.
- Is number of one-year-olds who are not vaccinated against hepatitis 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 hepatitis 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 the hepatitis B vaccine in a given year.