Number of one-year-olds who are not vaccinated against diphtheria in Trinidad and Tobago
Trinidad and Tobago: Number of one-year-olds who are not vaccinated against diphtheria was 0.0005 one-year-olds per person in 2023. ◆ Volatile
Number of one-year-olds who are not vaccinated against diphtheria in Trinidad and Tobago, 1980–2023
Source: Statizoid (derived). Measured in one-year-olds per person.
Analysis
The most recent figure for number of one-year-olds who are not vaccinated against diphtheria in Trinidad and Tobago is 0.0005 one-year-olds per person, measured in 2023.
That represents a change of down 44.3% on the previous year and down 57.5% over ten years.
Over the whole period, number of one-year-olds who are not vaccinated against diphtheria in Trinidad and Tobago peaked at 0.0193 one-year-olds per person in 1980 and was at its lowest, 0.0001 one-year-olds per person, in 2018.
Trinidad and Tobago ranks 141st of 192 countries on this measure, in the middle of the range.
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 diphtheria in Trinidad and Tobago, year by year
| Year | one-year-olds per person | Change |
|---|---|---|
| 1980 | 0.0193 one-year-olds per person | — |
| 1981 | 0.0102 one-year-olds per person | -47.5% |
| 1982 | 0.0125 one-year-olds per person | +23.0% |
| 1983 | 0.0109 one-year-olds per person | -12.8% |
| 1984 | 0.0095 one-year-olds per person | -12.9% |
| 1985 | 0.0067 one-year-olds per person | -29.6% |
| 1986 | 0.0079 one-year-olds per person | +17.9% |
| 1987 | 0.0054 one-year-olds per person | -31.8% |
| 1988 | 0.0044 one-year-olds per person | -17.9% |
| 1989 | 0.0053 one-year-olds per person | +21.0% |
| 1990 | 0.0039 one-year-olds per person | -26.0% |
| 1991 | 0.0037 one-year-olds per person | -5.7% |
| 1992 | 0.0025 one-year-olds per person | -31.8% |
| 1993 | 0.0035 one-year-olds per person | +39.6% |
| 1994 | 0.0027 one-year-olds per person | -24.4% |
| 1995 | 0.0019 one-year-olds per person | -29.6% |
| 1996 | 0.0018 one-year-olds per person | -4.3% |
| 1997 | 0.0016 one-year-olds per person | -13.1% |
| 1998 | 0.0014 one-year-olds per person | -13.2% |
| 1999 | 0.0015 one-year-olds per person | +8.0% |
| 2000 | 0.0014 one-year-olds per person | -1.5% |
| 2001 | 0.0013 one-year-olds per person | -10.8% |
| 2002 | 0.0006 one-year-olds per person | -55.9% |
| 2003 | 0.0013 one-year-olds per person | +122.6% |
| 2004 | 0.0008 one-year-olds per person | -34.0% |
| 2005 | 0.0007 one-year-olds per person | -13.6% |
| 2006 | 0.0012 one-year-olds per person | +60.0% |
| 2007 | 0.0017 one-year-olds per person | +50.8% |
| 2008 | 0.0015 one-year-olds per person | -16.4% |
| 2009 | 0.0015 one-year-olds per person | +0.1% |
| 2010 | 0.0015 one-year-olds per person | -0.5% |
| 2011 | 0.0014 one-year-olds per person | -0.8% |
| 2012 | 0.0011 one-year-olds per person | -20.7% |
| 2013 | 0.0011 one-year-olds per person | -0.9% |
| 2014 | 0.0011 one-year-olds per person | -1.2% |
| 2015 | 0.0006 one-year-olds per person | -50.7% |
| 2016 | 0.0004 one-year-olds per person | -26.1% |
| 2017 | 0.0015 one-year-olds per person | +261.7% |
| 2018 | 0.0001 one-year-olds per person | -91.0% |
| 2019 | 0.0009 one-year-olds per person | +589.0% |
| 2020 | 0.0005 one-year-olds per person | -44.0% |
| 2021 | 0.0008 one-year-olds per person | +47.3% |
| 2022 | 0.0009 one-year-olds per person | +14.1% |
| 2023 | 0.0005 one-year-olds per person | -44.3% |
Trinidad and Tobago compared with similar countries
- Trinidad and Tobago's 0.0005 one-year-olds per person is above the median for high income countries, which is 0.0004 one-year-olds per person, 1.1× the median. (63 countries reporting)
- Trinidad and Tobago's 0.0005 one-year-olds per person is below the median for Latin America & Caribbean, which is 0.0017 one-year-olds per person, 28% of the median. (32 countries reporting)
Biggest year-on-year movements
Years where Number of one-year-olds who are not vaccinated against diphtheria 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 |
|---|---|---|---|
| 2019 | +589.0% | 0.0001 one-year-olds per person | 0.0009 one-year-olds per person |
| 2017 | +261.7% | 0.0004 one-year-olds per person | 0.0015 one-year-olds per person |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 0.0092 one-year-olds per person | 0.0044 one-year-olds per person | 0.0193 one-year-olds per person | 10 |
| 1990s | 0.0025 one-year-olds per person | 0.0014 one-year-olds per person | 0.0039 one-year-olds per person | 10 |
| 2000s | 0.0012 one-year-olds per person | 0.0006 one-year-olds per person | 0.0017 one-year-olds per person | 10 |
| 2010s | 0.001 one-year-olds per person | 0.0001 one-year-olds per person | 0.0015 one-year-olds per person | 10 |
| 2020s | 0.0007 one-year-olds per person | 0.0005 one-year-olds per person | 0.0009 one-year-olds per person | 4 |
Countries ranked near Trinidad and Tobago
- 138 Uruguay 0.0005 one-year-olds per person compare
- 139 Spain 0.0005 one-year-olds per person compare
- 140 Switzerland 0.0005 one-year-olds per person compare
- 142 Saint Kitts and Nevis 0.0005 one-year-olds per person compare
- 143 Seychelles 0.0005 one-year-olds per person compare
- 144 Poland 0.0004 one-year-olds per person compare
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)
- Neonatal tetanus - number of reported cases, gaps filled 0 (2025)
- Population ages 00-04, female, annual growth rate -2.35 % change on previous year (2025)
- Population ages 00-04, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 00-04, female, per capita 0.0263 units per person (2025)
- Population ages 00-04, male, annual growth rate -2.36 % change on previous year (2025)
- Population ages 00-04, male, per unit of GDP 0 units per US$ of GDP (2025)
Frequently asked questions
- What is number of one-year-olds who are not vaccinated against diphtheria in Trinidad and Tobago?
- Number of one-year-olds who are not vaccinated against diphtheria in Trinidad and Tobago was 0.0005 one-year-olds per person in 2023, according to Statizoid (derived).
- What is the highest number of one-year-olds who are not vaccinated against diphtheria recorded in Trinidad and Tobago?
- The highest recorded value was 0.0193 one-year-olds per person in 1980.
- What is the lowest number of one-year-olds who are not vaccinated against diphtheria recorded in Trinidad and Tobago?
- The lowest recorded value was 0.0001 one-year-olds per person in 2018.
- How does Trinidad and Tobago rank for number of one-year-olds who are not vaccinated against diphtheria?
- Trinidad and Tobago ranks 141st out of 192 countries with data for 2023.
- Is number of one-year-olds who are not vaccinated against diphtheria rising or falling in Trinidad and Tobago?
- Over the last ten years it is down 57.5%. The long-run trend across the full record is volatile.
- Where does this Trinidad and Tobago data come from?
- The figures come from Statizoid (derived), published as part of Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus, per capita. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 44 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus divided by Population, total, matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus ÷ Population, total
Computed from
- Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data
- Population, total World Population Prospects, United Nations (UN)
Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.
About this data
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus divided by Population, total, matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.