Number of one-year-olds who are not vaccinated against diphtheria in Japan
Japan: Number of one-year-olds who are not vaccinated against diphtheria was 0.0439 one-year-olds per square kilometre in 2023. ◆ Volatile
Number of one-year-olds who are not vaccinated against diphtheria in Japan, 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 Japan is 0.0439 one-year-olds per square kilometre, measured in 2023.
The figure is up 94.0% on the previous year and down 61.5% over ten years.
Over the whole period, number of one-year-olds who are not vaccinated against diphtheria in Japan peaked at 1.83 one-year-olds per square kilometre in 1980 and was at its lowest, 0.0226 one-year-olds per square kilometre, in 2022.
That places Japan 141st out of 192 countries with data for 2023, putting it 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 Japan, year by year
| Year | one-year-olds per square kilometre | Change |
|---|---|---|
| 1980 | 1.83 one-year-olds per square kilometre | — |
| 1981 | 1.1 one-year-olds per square kilometre | -40.0% |
| 1982 | 0.8 one-year-olds per square kilometre | -27.2% |
| 1983 | 0.815 one-year-olds per square kilometre | +1.9% |
| 1984 | 0.7262 one-year-olds per square kilometre | -10.9% |
| 1985 | 0.6777 one-year-olds per square kilometre | -6.7% |
| 1986 | 0.6193 one-year-olds per square kilometre | -8.6% |
| 1987 | 0.5577 one-year-olds per square kilometre | -10.0% |
| 1988 | 0.5036 one-year-olds per square kilometre | -9.7% |
| 1989 | 0.4547 one-year-olds per square kilometre | -9.7% |
| 1990 | 0.3364 one-year-olds per square kilometre | -26.0% |
| 1991 | 0.2596 one-year-olds per square kilometre | -22.8% |
| 1992 | 0.4182 one-year-olds per square kilometre | +61.1% |
| 1993 | 0.4823 one-year-olds per square kilometre | +15.3% |
| 1994 | 0.6373 one-year-olds per square kilometre | +32.1% |
| 1995 | 0.8387 one-year-olds per square kilometre | +31.6% |
| 1996 | 0.0324 one-year-olds per square kilometre | -96.1% |
| 1997 | 0.9673 one-year-olds per square kilometre | +2882.5% |
| 1998 | 0.8099 one-year-olds per square kilometre | -16.3% |
| 1999 | 0.6498 one-year-olds per square kilometre | -19.8% |
| 2000 | 0.4872 one-year-olds per square kilometre | -25.0% |
| 2001 | 0.1625 one-year-olds per square kilometre | -66.6% |
| 2002 | 0.1299 one-year-olds per square kilometre | -20.1% |
| 2003 | 0.0961 one-year-olds per square kilometre | -26.1% |
| 2004 | 0.0314 one-year-olds per square kilometre | -67.3% |
| 2005 | 0.0617 one-year-olds per square kilometre | +96.2% |
| 2006 | 0.0601 one-year-olds per square kilometre | -2.6% |
| 2007 | 0.0595 one-year-olds per square kilometre | -1.0% |
| 2008 | 0.0599 one-year-olds per square kilometre | +0.7% |
| 2009 | 0.0898 one-year-olds per square kilometre | +49.9% |
| 2010 | 0.089 one-year-olds per square kilometre | -0.9% |
| 2011 | 0.0879 one-year-olds per square kilometre | -1.2% |
| 2012 | 0.0868 one-year-olds per square kilometre | -1.2% |
| 2013 | 0.114 one-year-olds per square kilometre | +31.3% |
| 2014 | 0.1126 one-year-olds per square kilometre | -1.3% |
| 2015 | 0.1102 one-year-olds per square kilometre | -2.1% |
| 2016 | 0.0272 one-year-olds per square kilometre | -75.3% |
| 2017 | 0.0269 one-year-olds per square kilometre | -1.1% |
| 2018 | 0.0523 one-year-olds per square kilometre | +94.3% |
| 2019 | 0.0508 one-year-olds per square kilometre | -3.0% |
| 2020 | 0.0975 one-year-olds per square kilometre | +92.0% |
| 2021 | 0.0234 one-year-olds per square kilometre | -76.0% |
| 2022 | 0.0226 one-year-olds per square kilometre | -3.2% |
| 2023 | 0.0439 one-year-olds per square kilometre | +94.0% |
Japan compared with similar countries
- Japan's 0.0439 one-year-olds per square kilometre is below the median for high income countries, which is 0.048 one-year-olds per square kilometre, 91% of the median. (63 countries reporting)
- Japan's 0.0439 one-year-olds per square kilometre is below the median for East Asia & Pacific, which is 0.1666 one-year-olds per square kilometre, 26% of the median. (30 countries reporting)
Biggest year-on-year movements
Years where Number of one-year-olds who are not vaccinated against diphtheria in Japan 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 |
|---|---|---|---|
| 1997 | +2882.5% | 0.0324 one-year-olds per square kilometre | 0.9673 one-year-olds per square kilometre |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 0.8087 one-year-olds per square kilometre | 0.4547 one-year-olds per square kilometre | 1.83 one-year-olds per square kilometre | 10 |
| 1990s | 0.5432 one-year-olds per square kilometre | 0.0324 one-year-olds per square kilometre | 0.9673 one-year-olds per square kilometre | 10 |
| 2000s | 0.1238 one-year-olds per square kilometre | 0.0314 one-year-olds per square kilometre | 0.4872 one-year-olds per square kilometre | 10 |
| 2010s | 0.0758 one-year-olds per square kilometre | 0.0269 one-year-olds per square kilometre | 0.114 one-year-olds per square kilometre | 10 |
| 2020s | 0.0469 one-year-olds per square kilometre | 0.0226 one-year-olds per square kilometre | 0.0975 one-year-olds per square kilometre | 4 |
Countries ranked near Japan
- 138 Slovakia 0.0461 one-year-olds per square kilometre compare
- 139 Bulgaria 0.0454 one-year-olds per square kilometre compare
- 140 Belize 0.0445 one-year-olds per square kilometre compare
- 142 Croatia 0.0431 one-year-olds per square kilometre compare
- 143 Morocco 0.0423 one-year-olds per square kilometre compare
- 144 China 0.0421 one-year-olds per square kilometre compare
More health data for Japan
- Un projection of annual infant deaths, annual growth rate -2.73 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate -0.2774 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 1,294 deaths per 1,000 people (2090)
- Number of infants who die before age 1 178 deaths (2100)
- Neonatal tetanus - number of reported cases, gaps filled 0 (2025)
- Population ages 00-04, female, annual growth rate -2.22 % 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 0.0155 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 Japan?
- Number of one-year-olds who are not vaccinated against diphtheria in Japan was 0.0439 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 Japan?
- The highest recorded value was 1.83 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 Japan?
- The lowest recorded value was 0.0226 one-year-olds per square kilometre in 2022.
- How does Japan rank for number of one-year-olds who are not vaccinated against diphtheria?
- Japan 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 Japan?
- Over the last ten years it is down 61.5%. The long-run trend across the full record is volatile.
- Where does this Japan 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.