Number of one-year-olds who are not vaccinated against diphtheria in Ireland
Ireland: Number of one-year-olds who are not vaccinated against diphtheria was 0.059 one-year-olds per square kilometre in 2023. ◆ Volatile
Number of one-year-olds who are not vaccinated against diphtheria in Ireland, 1980–2023
Source: Statizoid (derived). Measured in one-year-olds per square kilometre.
Analysis
In 2023, number of one-year-olds who are not vaccinated against diphtheria in Ireland stood at 0.059 one-year-olds per square kilometre.
That represents a change of down 1.6% on the previous year and up 44.5% over ten years.
Over the whole period, number of one-year-olds who are not vaccinated against diphtheria in Ireland peaked at 0.6832 one-year-olds per square kilometre in 1980 and was at its lowest, 0.0393 one-year-olds per square kilometre, in 2014.
Ireland ranks 128th 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 Ireland, year by year
| Year | one-year-olds per square kilometre | Change |
|---|---|---|
| 1980 | 0.6832 one-year-olds per square kilometre | — |
| 1981 | 0.6776 one-year-olds per square kilometre | -0.8% |
| 1982 | 0.5982 one-year-olds per square kilometre | -11.7% |
| 1983 | 0.592 one-year-olds per square kilometre | -1.0% |
| 1984 | 0.5392 one-year-olds per square kilometre | -8.9% |
| 1985 | 0.5122 one-year-olds per square kilometre | -5.0% |
| 1986 | 0.5045 one-year-olds per square kilometre | -1.5% |
| 1987 | 0.4976 one-year-olds per square kilometre | -1.4% |
| 1988 | 0.4949 one-year-olds per square kilometre | -0.5% |
| 1989 | 0.29 one-year-olds per square kilometre | -41.4% |
| 1990 | 0.2763 one-year-olds per square kilometre | -4.7% |
| 1991 | 0.256 one-year-olds per square kilometre | -7.4% |
| 1992 | 0.248 one-year-olds per square kilometre | -3.1% |
| 1993 | 0.2272 one-year-olds per square kilometre | -8.4% |
| 1994 | 0.2119 one-year-olds per square kilometre | -6.8% |
| 1995 | 0.1925 one-year-olds per square kilometre | -9.1% |
| 1996 | 0.1849 one-year-olds per square kilometre | -4.0% |
| 1997 | 0.1742 one-year-olds per square kilometre | -5.8% |
| 1998 | 0.1201 one-year-olds per square kilometre | -31.1% |
| 1999 | 0.1082 one-year-olds per square kilometre | -9.9% |
| 2000 | 0.1098 one-year-olds per square kilometre | +1.4% |
| 2001 | 0.1269 one-year-olds per square kilometre | +15.6% |
| 2002 | 0.1356 one-year-olds per square kilometre | +6.8% |
| 2003 | 0.1157 one-year-olds per square kilometre | -14.7% |
| 2004 | 0.096 one-year-olds per square kilometre | -17.0% |
| 2005 | 0.0885 one-year-olds per square kilometre | -7.8% |
| 2006 | 0.0794 one-year-olds per square kilometre | -10.2% |
| 2007 | 0.0729 one-year-olds per square kilometre | -8.2% |
| 2008 | 0.0682 one-year-olds per square kilometre | -6.4% |
| 2009 | 0.0615 one-year-olds per square kilometre | -9.9% |
| 2010 | 0.0626 one-year-olds per square kilometre | +1.9% |
| 2011 | 0.0523 one-year-olds per square kilometre | -16.5% |
| 2012 | 0.0521 one-year-olds per square kilometre | -0.4% |
| 2013 | 0.0408 one-year-olds per square kilometre | -21.7% |
| 2014 | 0.0393 one-year-olds per square kilometre | -3.6% |
| 2015 | 0.0476 one-year-olds per square kilometre | +21.1% |
| 2016 | 0.0462 one-year-olds per square kilometre | -3.0% |
| 2017 | 0.0459 one-year-olds per square kilometre | -0.7% |
| 2018 | 0.055 one-year-olds per square kilometre | +19.9% |
| 2019 | 0.0541 one-year-olds per square kilometre | -1.7% |
| 2020 | 0.0527 one-year-olds per square kilometre | -2.6% |
| 2021 | 0.0505 one-year-olds per square kilometre | -4.1% |
| 2022 | 0.06 one-year-olds per square kilometre | +18.7% |
| 2023 | 0.059 one-year-olds per square kilometre | -1.6% |
Ireland compared with similar countries
- Ireland's 0.059 one-year-olds per square kilometre is above the median for high income countries, which is 0.048 one-year-olds per square kilometre, 1.2× the median. (63 countries reporting)
- Ireland's 0.059 one-year-olds per square kilometre is above the median for Europe & Central Asia, which is 0.0516 one-year-olds per square kilometre, 1.1× the median. (51 countries reporting)
Biggest year-on-year movements
Years where Number of one-year-olds who are not vaccinated against diphtheria in Ireland 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 |
|---|---|---|---|
| 1989 | -41.4% | 0.4949 one-year-olds per square kilometre | 0.29 one-year-olds per square kilometre |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 0.5389 one-year-olds per square kilometre | 0.29 one-year-olds per square kilometre | 0.6832 one-year-olds per square kilometre | 10 |
| 1990s | 0.1999 one-year-olds per square kilometre | 0.1082 one-year-olds per square kilometre | 0.2763 one-year-olds per square kilometre | 10 |
| 2000s | 0.0954 one-year-olds per square kilometre | 0.0615 one-year-olds per square kilometre | 0.1356 one-year-olds per square kilometre | 10 |
| 2010s | 0.0496 one-year-olds per square kilometre | 0.0393 one-year-olds per square kilometre | 0.0626 one-year-olds per square kilometre | 10 |
| 2020s | 0.0555 one-year-olds per square kilometre | 0.0505 one-year-olds per square kilometre | 0.06 one-year-olds per square kilometre | 4 |
Countries ranked near Ireland
- 125 Colombia 0.064 one-year-olds per square kilometre compare
- 126 United Arab Emirates 0.0634 one-year-olds per square kilometre compare
- 127 Argentina 0.0631 one-year-olds per square kilometre compare
- 129 Bahamas 0.0564 one-year-olds per square kilometre compare
- 130 Poland 0.0539 one-year-olds per square kilometre compare
- 131 Sri Lanka 0.0525 one-year-olds per square kilometre compare
More health data for Ireland
- Un projection of annual infant deaths, annual growth rate -4.76 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 0.89 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 1,122 deaths per 1,000 people (2090)
- Number of infants who die before age 1 20 deaths (2100)
- Neonatal tetanus - number of reported cases, gaps filled 0 (2025)
- Population ages 00-04, female, annual growth rate -0.7228 % 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 0.026 units per person (2025)
- Population ages 00-04, male, annual growth rate -0.6489 % 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 Ireland?
- Number of one-year-olds who are not vaccinated against diphtheria in Ireland was 0.059 one-year-olds per square kilometre in 2023, according to Statizoid (derived).
- What is the highest number of one-year-olds who are not vaccinated against diphtheria recorded in Ireland?
- The highest recorded value was 0.6832 one-year-olds per square kilometre in 1980.
- What is the lowest number of one-year-olds who are not vaccinated against diphtheria recorded in Ireland?
- The lowest recorded value was 0.0393 one-year-olds per square kilometre in 2014.
- How does Ireland rank for number of one-year-olds who are not vaccinated against diphtheria?
- Ireland ranks 128th out of 192 countries with data for 2023.
- Is number of one-year-olds who are not vaccinated against diphtheria rising or falling in Ireland?
- Over the last ten years it is up 44.5%. The long-run trend across the full record is volatile.
- Where does this Ireland 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 square kilometre. 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 Land area (sq. km), 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 ÷ Land area (sq. km)
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
- Land area FAOSTAT, Food and Agriculture Organization of the United Nations (FAO)
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 Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.