Number of one-year-olds who are not vaccinated against diphtheria in United States
United States: Number of one-year-olds who are not vaccinated against diphtheria was 0.0244 one-year-olds per square kilometre in 2023. ◆ Volatile
Number of one-year-olds who are not vaccinated against diphtheria in United States, 1980–2023
Source: Statizoid (derived). Measured in one-year-olds per square kilometre.
Analysis
The most recent figure for number of one-year-olds who are not vaccinated against diphtheria in United States is 0.0244 one-year-olds per square kilometre, measured in 2023.
That represents a change of up 1.7% on the previous year and down 5.8% over ten years.
Over the whole period, number of one-year-olds who are not vaccinated against diphtheria in United States peaked at 0.0759 one-year-olds per square kilometre in 1992 and was at its lowest, 0.0121 one-year-olds per square kilometre, in 1983.
That places United States 159th out of 192 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 United States, year by year
| Year | one-year-olds per square kilometre | Change |
|---|---|---|
| 1980 | 0.0153 one-year-olds per square kilometre | — |
| 1981 | 0.0158 one-year-olds per square kilometre | +3.3% |
| 1982 | 0.016 one-year-olds per square kilometre | +1.6% |
| 1983 | 0.0121 one-year-olds per square kilometre | -24.4% |
| 1984 | 0.0121 one-year-olds per square kilometre | +0.2% |
| 1985 | 0.0161 one-year-olds per square kilometre | +33.0% |
| 1986 | 0.0122 one-year-olds per square kilometre | -24.2% |
| 1987 | 0.0123 one-year-olds per square kilometre | +0.8% |
| 1988 | 0.0124 one-year-olds per square kilometre | +0.6% |
| 1989 | 0.0253 one-year-olds per square kilometre | +104.0% |
| 1990 | 0.0431 one-year-olds per square kilometre | +70.2% |
| 1991 | 0.0619 one-year-olds per square kilometre | +43.5% |
| 1992 | 0.0759 one-year-olds per square kilometre | +22.6% |
| 1993 | 0.0528 one-year-olds per square kilometre | -30.4% |
| 1994 | 0.0259 one-year-olds per square kilometre | -50.9% |
| 1995 | 0.0212 one-year-olds per square kilometre | -18.1% |
| 1996 | 0.0209 one-year-olds per square kilometre | -1.6% |
| 1997 | 0.0166 one-year-olds per square kilometre | -20.8% |
| 1998 | 0.0165 one-year-olds per square kilometre | -0.5% |
| 1999 | 0.0165 one-year-olds per square kilometre | +0.3% |
| 2000 | 0.025 one-year-olds per square kilometre | +51.2% |
| 2001 | 0.0254 one-year-olds per square kilometre | +1.7% |
| 2002 | 0.0257 one-year-olds per square kilometre | +1.1% |
| 2003 | 0.0171 one-year-olds per square kilometre | -33.6% |
| 2004 | 0.0172 one-year-olds per square kilometre | +0.7% |
| 2005 | 0.0174 one-year-olds per square kilometre | +1.1% |
| 2006 | 0.0175 one-year-olds per square kilometre | +0.9% |
| 2007 | 0.0179 one-year-olds per square kilometre | +2.0% |
| 2008 | 0.0183 one-year-olds per square kilometre | +2.3% |
| 2009 | 0.0229 one-year-olds per square kilometre | +25.1% |
| 2010 | 0.0225 one-year-olds per square kilometre | -1.7% |
| 2011 | 0.0176 one-year-olds per square kilometre | -21.8% |
| 2012 | 0.026 one-year-olds per square kilometre | +47.7% |
| 2013 | 0.0259 one-year-olds per square kilometre | -0.4% |
| 2014 | 0.0216 one-year-olds per square kilometre | -16.8% |
| 2015 | 0.0217 one-year-olds per square kilometre | +0.5% |
| 2016 | 0.0218 one-year-olds per square kilometre | +0.7% |
| 2017 | 0.0261 one-year-olds per square kilometre | +19.6% |
| 2018 | 0.0257 one-year-olds per square kilometre | -1.4% |
| 2019 | 0.0253 one-year-olds per square kilometre | -1.7% |
| 2020 | 0.029 one-year-olds per square kilometre | +14.9% |
| 2021 | 0.0243 one-year-olds per square kilometre | -16.5% |
| 2022 | 0.024 one-year-olds per square kilometre | -1.2% |
| 2023 | 0.0244 one-year-olds per square kilometre | +1.7% |
United States compared with similar countries
- United States's 0.0244 one-year-olds per square kilometre is below the median for high income countries, which is 0.048 one-year-olds per square kilometre, 51% of the median. (63 countries reporting)
Biggest year-on-year movements
Years where Number of one-year-olds who are not vaccinated against diphtheria in United States 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 | +104.0% | 0.0124 one-year-olds per square kilometre | 0.0253 one-year-olds per square kilometre |
| 1990 | +70.2% | 0.0253 one-year-olds per square kilometre | 0.0431 one-year-olds per square kilometre |
| 1994 | -50.9% | 0.0528 one-year-olds per square kilometre | 0.0259 one-year-olds per square kilometre |
| 2000 | +51.2% | 0.0165 one-year-olds per square kilometre | 0.025 one-year-olds per square kilometre |
| 2012 | +47.7% | 0.0176 one-year-olds per square kilometre | 0.026 one-year-olds per square kilometre |
| 1991 | +43.5% | 0.0431 one-year-olds per square kilometre | 0.0619 one-year-olds per square kilometre |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 0.015 one-year-olds per square kilometre | 0.0121 one-year-olds per square kilometre | 0.0253 one-year-olds per square kilometre | 10 |
| 1990s | 0.0351 one-year-olds per square kilometre | 0.0165 one-year-olds per square kilometre | 0.0759 one-year-olds per square kilometre | 10 |
| 2000s | 0.0204 one-year-olds per square kilometre | 0.0171 one-year-olds per square kilometre | 0.0257 one-year-olds per square kilometre | 10 |
| 2010s | 0.0234 one-year-olds per square kilometre | 0.0176 one-year-olds per square kilometre | 0.0261 one-year-olds per square kilometre | 10 |
| 2020s | 0.0254 one-year-olds per square kilometre | 0.024 one-year-olds per square kilometre | 0.029 one-year-olds per square kilometre | 4 |
Countries ranked near United States
- 156 Fiji 0.0269 one-year-olds per square kilometre compare
- 157 New Zealand 0.0269 one-year-olds per square kilometre compare
- 158 Luxembourg 0.0262 one-year-olds per square kilometre compare
- 160 Uzbekistan 0.0205 one-year-olds per square kilometre compare
- 161 Libya 0.0195 one-year-olds per square kilometre compare
- 162 Andorra 0.0191 one-year-olds per square kilometre compare
More health data for United States
- Un projection of annual infant deaths, annual growth rate -1.67 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate -0.1867 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 1,069 deaths per 1,000 people (2090)
- Number of infants who die before age 1 4,015 deaths (2100)
- Neonatal tetanus - number of reported cases, gaps filled 0 (2023)
- Population ages 00-04, female, annual growth rate 0.056 % 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 0.0261 units per person (2025)
- Population ages 00-04, male, annual growth rate 0.1919 % 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 United States?
- Number of one-year-olds who are not vaccinated against diphtheria in United States was 0.0244 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 United States?
- The highest recorded value was 0.0759 one-year-olds per square kilometre in 1992.
- What is the lowest number of one-year-olds who are not vaccinated against diphtheria recorded in United States?
- The lowest recorded value was 0.0121 one-year-olds per square kilometre in 1983.
- How does United States rank for number of one-year-olds who are not vaccinated against diphtheria?
- United States ranks 159th out of 192 countries with data for 2023.
- Is number of one-year-olds who are not vaccinated against diphtheria rising or falling in United States?
- Over the last ten years it is down 5.8%. The long-run trend across the full record is volatile.
- Where does this United States 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.