Number of one-year-olds who are not vaccinated against diphtheria in Tuvalu
Tuvalu: Number of one-year-olds who are not vaccinated against diphtheria was -32.41 % change on previous year in 2023. ◆ Volatile
Number of one-year-olds who are not vaccinated against diphtheria in Tuvalu, 1981–2023
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
The most recent figure for number of one-year-olds who are not vaccinated against diphtheria in Tuvalu is -32.41 % change on previous year, measured in 2023.
That represents a change of down 175.8% on the previous year and down 113.6% over ten years.
Over the whole period, number of one-year-olds who are not vaccinated against diphtheria in Tuvalu peaked at 657.65 % change on previous year in 1997 and was at its lowest, -95.07 % change on previous year, in 1994.
That places Tuvalu 173rd out of 194 countries with data for 2023, putting it 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 diphtheria in Tuvalu, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1981 | -7.38 % change on previous year | — |
| 1982 | -43.12 % change on previous year | +484.4% |
| 1983 | -22.07 % change on previous year | -48.8% |
| 1984 | 210.04 % change on previous year | -1051.9% |
| 1985 | -19.49 % change on previous year | -109.3% |
| 1986 | -41.81 % change on previous year | +114.5% |
| 1987 | 50.73 % change on previous year | -221.3% |
| 1988 | -73.57 % change on previous year | -245.0% |
| 1989 | 35.85 % change on previous year | -148.7% |
| 1990 | -93.28 % change on previous year | -360.2% |
| 1992 | 15.82 % change on previous year | -117.0% |
| 1993 | -33.09 % change on previous year | -309.2% |
| 1994 | -95.07 % change on previous year | +187.4% |
| 1996 | -77.28 % change on previous year | -18.7% |
| 1997 | 657.65 % change on previous year | -951.0% |
| 1998 | -74.22 % change on previous year | -111.3% |
| 1999 | 179.92 % change on previous year | -342.4% |
| 2000 | 5.45 % change on previous year | -97.0% |
| 2001 | -78.05 % change on previous year | -1531.6% |
| 2002 | -50.83 % change on previous year | -34.9% |
| 2003 | 239.71 % change on previous year | -571.6% |
| 2004 | -71.92 % change on previous year | -130.0% |
| 2005 | 251.54 % change on previous year | -449.7% |
| 2006 | -56.58 % change on previous year | -122.5% |
| 2007 | 1.3 % change on previous year | -102.3% |
| 2008 | -65.95 % change on previous year | -5178.5% |
| 2010 | -5.33 % change on previous year | -91.9% |
| 2011 | -62.19 % change on previous year | +1067.3% |
| 2012 | -22.14 % change on previous year | -64.4% |
| 2013 | 238.24 % change on previous year | -1176.2% |
| 2014 | 4.42 % change on previous year | -98.1% |
| 2015 | -65.58 % change on previous year | -1583.6% |
| 2016 | 46.98 % change on previous year | -171.6% |
| 2017 | -35.8 % change on previous year | -176.2% |
| 2018 | 166.77 % change on previous year | -565.8% |
| 2019 | -25.35 % change on previous year | -115.2% |
| 2020 | -36.43 % change on previous year | +43.7% |
| 2021 | 14.94 % change on previous year | -141.0% |
| 2022 | 42.73 % change on previous year | +186.1% |
| 2023 | -32.41 % change on previous year | -175.8% |
Tuvalu compared with similar countries
- Tuvalu's -32.41 % change on previous year is below the median for upper middle income countries, which is -6.86 % change on previous year, 4.7× the median. (58 countries reporting)
- Tuvalu's -32.41 % change on previous year is below the median for East Asia & Pacific, which is -0.6561 % change on previous year, 49.4× the median. (30 countries reporting)
Biggest year-on-year movements
Years where Number of one-year-olds who are not vaccinated against diphtheria in Tuvalu 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 |
|---|---|---|---|
| 2008 | -5178.5% | 1.3 % change on previous year | -65.95 % change on previous year |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 9.91 % change on previous year | -73.57 % change on previous year | 210.04 % change on previous year | 9 |
| 1990s | 60.05 % change on previous year | -95.07 % change on previous year | 657.65 % change on previous year | 8 |
| 2000s | 19.41 % change on previous year | -78.05 % change on previous year | 251.54 % change on previous year | 9 |
| 2010s | 24 % change on previous year | -65.58 % change on previous year | 238.24 % change on previous year | 10 |
| 2020s | -2.79 % change on previous year | -36.43 % change on previous year | 42.73 % change on previous year | 4 |
Countries ranked near Tuvalu
- 170 Mozambique -31.9 % change on previous year compare
- 171 Mauritania -32.13 % change on previous year compare
- 172 Micronesia (country) -32.23 % change on previous year compare
- 174 Philippines -32.74 % change on previous year compare
- 175 Singapore -32.97 % change on previous year compare
- 176 Malawi -34.79 % change on previous year compare
More health data for Tuvalu
- Un projection of annual infant deaths, annual growth rate -100 % change on previous year (2095)
- Heat deaths vs projected death rates, annual growth rate 1.12 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 985 deaths per 1,000 people (2090)
- Number of infants who die before age 1 0 deaths (2100)
- Deaths in armed conflicts based on where they occurred 0 deaths (2026)
- Deaths in armed conflicts by region 0 deaths (2026)
- Population, male, annual growth rate -1.56 % change on previous year (2025)
- Population, male, per capita 0.5119 units per person (2025)
- Population, male, per unit of GDP 0.0001 units per US$ of GDP (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 Tuvalu?
- Number of one-year-olds who are not vaccinated against diphtheria in Tuvalu was -32.41 % change on previous year in 2023, according to Statizoid (derived).
- What is the highest number of one-year-olds who are not vaccinated against diphtheria recorded in Tuvalu?
- The highest recorded value was 657.65 % change on previous year in 1997.
- What is the lowest number of one-year-olds who are not vaccinated against diphtheria recorded in Tuvalu?
- The lowest recorded value was -95.07 % change on previous year in 1994.
- How does Tuvalu rank for number of one-year-olds who are not vaccinated against diphtheria?
- Tuvalu ranks 173rd out of 194 countries with data for 2023.
- Is number of one-year-olds who are not vaccinated against diphtheria rising or falling in Tuvalu?
- Over the last ten years it is down 113.6%. The long-run trend across the full record is volatile.
- Where does this Tuvalu 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, annual growth rate. Statizoid updates them automatically from the source API.
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CSV · JSON — 40 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
The year-on-year percentage change in Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.
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
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
The year-on-year percentage change in Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.