Number of one-year-olds who are not vaccinated against diphtheria in Palau
Palau: Number of one-year-olds who are not vaccinated against diphtheria was -51.24 % change on previous year in 2023. ◆ Volatile
Number of one-year-olds who are not vaccinated against diphtheria in Palau, 1987–2023
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
Palau recorded -51.24 % change on previous year for number of one-year-olds who are not vaccinated against diphtheria in 2023.
The figure is down 341.6% on the previous year and up 43.7% over ten years.
Over the whole period, number of one-year-olds who are not vaccinated against diphtheria in Palau peaked at 823.61 % change on previous year in 1987 and was at its lowest, -96.86 % change on previous year, in 1995.
That places Palau 185th 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 Palau, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1987 | 823.61 % change on previous year | — |
| 1988 | -94.89 % change on previous year | -111.5% |
| 1990 | -95.48 % change on previous year | +0.6% |
| 1991 | 104.62 % change on previous year | -209.6% |
| 1992 | 266.94 % change on previous year | +155.1% |
| 1993 | 62.95 % change on previous year | -76.4% |
| 1994 | 210.68 % change on previous year | +234.7% |
| 1995 | -96.86 % change on previous year | -146.0% |
| 1996 | 100 % change on previous year | -203.2% |
| 1997 | 317.68 % change on previous year | +217.7% |
| 1998 | -60.19 % change on previous year | -118.9% |
| 1999 | -10.96 % change on previous year | -81.8% |
| 2000 | -11.94 % change on previous year | +8.9% |
| 2001 | -48.94 % change on previous year | +309.9% |
| 2002 | -44.81 % change on previous year | -8.4% |
| 2003 | 2.26 % change on previous year | -105.0% |
| 2004 | 100.73 % change on previous year | +4365.9% |
| 2005 | -0.3663 % change on previous year | -100.4% |
| 2006 | -1.1 % change on previous year | +201.1% |
| 2007 | 194.42 % change on previous year | -17727.8% |
| 2008 | 30.3 % change on previous year | -84.4% |
| 2009 | 522.67 % change on previous year | +1624.8% |
| 2010 | -40.66 % change on previous year | -107.8% |
| 2011 | -49.86 % change on previous year | +22.6% |
| 2012 | -32.98 % change on previous year | -33.9% |
| 2013 | -90.99 % change on previous year | +175.9% |
| 2014 | 410.82 % change on previous year | -551.5% |
| 2015 | 102.54 % change on previous year | -75.0% |
| 2016 | -80.67 % change on previous year | -178.7% |
| 2017 | 42.86 % change on previous year | -153.1% |
| 2018 | 61.36 % change on previous year | +43.2% |
| 2019 | -41.97 % change on previous year | -168.4% |
| 2020 | 28.16 % change on previous year | -167.1% |
| 2021 | 25.63 % change on previous year | -9.0% |
| 2022 | 21.21 % change on previous year | -17.3% |
| 2023 | -51.24 % change on previous year | -341.6% |
Palau compared with similar countries
- Palau's -51.24 % change on previous year is below the median for high income countries, which is -0.4453 % change on previous year, 115.1× the median. (63 countries reporting)
- Palau's -51.24 % change on previous year is below the median for East Asia & Pacific, which is -0.6561 % change on previous year, 78.1× the median. (30 countries reporting)
Biggest year-on-year movements
Years where Number of one-year-olds who are not vaccinated against diphtheria in Palau 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 |
|---|---|---|---|
| 2007 | +17727.8% | -1.1 % change on previous year | 194.42 % change on previous year |
| 2004 | +4365.9% | 2.26 % change on previous year | 100.73 % change on previous year |
| 2009 | +1624.8% | 30.3 % change on previous year | 522.67 % change on previous year |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 364.36 % change on previous year | -94.89 % change on previous year | 823.61 % change on previous year | 2 |
| 1990s | 79.94 % change on previous year | -96.86 % change on previous year | 317.68 % change on previous year | 10 |
| 2000s | 74.32 % change on previous year | -48.94 % change on previous year | 522.67 % change on previous year | 10 |
| 2010s | 28.05 % change on previous year | -90.99 % change on previous year | 410.82 % change on previous year | 10 |
| 2020s | 5.94 % change on previous year | -51.24 % change on previous year | 28.16 % change on previous year | 4 |
Countries ranked near Palau
- 182 Jordan -50.15 % change on previous year compare
- 183 Sri Lanka -50.37 % change on previous year compare
- 184 Jamaica -50.44 % change on previous year compare
- 186 Ukraine -52.32 % change on previous year compare
- 187 Cook Islands -53.92 % change on previous year compare
- 188 Brazil -57.12 % change on previous year compare
More health data for Palau
- Heat deaths vs projected death rates, annual growth rate 0.2689 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 1,529 deaths per 1,000 people (2090)
- Un projection of annual infant deaths, annual growth rate -100 % change on previous year (2087)
- Number of infants who die before age 1 0 deaths (2100)
- Age population, age 09, male, interpolated 117 (2025)
- Population, male 9,506 (2025)
- Age population, age 09, female, interpolated 103 (2025)
- Age population, age 08, male, interpolated 112 (2025)
- Age population, age 08, female, interpolated 101 (2025)
- Age population, age 07, male, interpolated 106 (2025)
Frequently asked questions
- What is number of one-year-olds who are not vaccinated against diphtheria in Palau?
- Number of one-year-olds who are not vaccinated against diphtheria in Palau was -51.24 % 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 Palau?
- The highest recorded value was 823.61 % change on previous year in 1987.
- What is the lowest number of one-year-olds who are not vaccinated against diphtheria recorded in Palau?
- The lowest recorded value was -96.86 % change on previous year in 1995.
- How does Palau rank for number of one-year-olds who are not vaccinated against diphtheria?
- Palau ranks 185th out of 194 countries with data for 2023.
- Is number of one-year-olds who are not vaccinated against diphtheria rising or falling in Palau?
- Over the last ten years it is up 43.7%. The long-run trend across the full record is volatile.
- Where does this Palau 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.
Download this data
CSV · JSON — 36 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.