Number of one-year-olds who are not fully vaccinated against in Australia
Australia: Number of one-year-olds who are not fully vaccinated against was 18,397 one-year-olds in 2023. ◆ Volatile
Number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in Australia, 1980–2023
Source: WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in one-year-olds.
Analysis
The most recent figure for number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in Australia is 18,397 one-year-olds, measured in 2023.
Compared with earlier readings it is up 0.9% on the previous year and down 33.4% over ten years.
Over the whole period, number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in Australia peaked at 150,138 one-year-olds in 1980 and was at its lowest, 12,668 one-year-olds, in 1990.
Australia ranks 86th of 195 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 fully vaccinated against in Australia, year by year
| Year | one-year-olds | Change |
|---|---|---|
| 1980 | 150,138 one-year-olds | — |
| 1981 | 135,910 one-year-olds | -9.5% |
| 1982 | 120,707 one-year-olds | -11.2% |
| 1983 | 106,878 one-year-olds | -11.5% |
| 1984 | 91,360 one-year-olds | -14.5% |
| 1985 | 77,385 one-year-olds | -15.3% |
| 1986 | 60,649 one-year-olds | -21.6% |
| 1987 | 46,207 one-year-olds | -23.8% |
| 1988 | 29,461 one-year-olds | -36.2% |
| 1989 | 17,433 one-year-olds | -40.8% |
| 1990 | 12,668 one-year-olds | -27.3% |
| 1991 | 18,051 one-year-olds | +42.5% |
| 1992 | 23,409 one-year-olds | +29.7% |
| 1993 | 25,946 one-year-olds | +10.8% |
| 1994 | 31,109 one-year-olds | +19.9% |
| 1995 | 36,376 one-year-olds | +16.9% |
| 1996 | 36,267 one-year-olds | -0.3% |
| 1997 | 59,178 one-year-olds | +63.2% |
| 1998 | 45,934 one-year-olds | -22.4% |
| 1999 | 30,444 one-year-olds | -33.7% |
| 2000 | 25,406 one-year-olds | -16.5% |
| 2001 | 20,386 one-year-olds | -19.8% |
| 2002 | 20,314 one-year-olds | -0.4% |
| 2003 | 17,678 one-year-olds | -13.0% |
| 2004 | 20,234 one-year-olds | +14.5% |
| 2005 | 20,465 one-year-olds | +1.1% |
| 2006 | 20,961 one-year-olds | +2.4% |
| 2007 | 21,817 one-year-olds | +4.1% |
| 2008 | 22,756 one-year-olds | +4.3% |
| 2009 | 23,350 one-year-olds | +2.6% |
| 2010 | 23,589 one-year-olds | +1.0% |
| 2011 | 23,684 one-year-olds | +0.4% |
| 2012 | 23,962 one-year-olds | +1.2% |
| 2013 | 27,604 one-year-olds | +15.2% |
| 2014 | 24,889 one-year-olds | -9.8% |
| 2015 | 21,809 one-year-olds | -12.4% |
| 2016 | 18,872 one-year-olds | -13.5% |
| 2017 | 15,810 one-year-olds | -16.2% |
| 2018 | 15,554 one-year-olds | -1.6% |
| 2019 | 15,293 one-year-olds | -1.7% |
| 2020 | 15,129 one-year-olds | -1.1% |
| 2021 | 15,037 one-year-olds | -0.6% |
| 2022 | 18,234 one-year-olds | +21.3% |
| 2023 | 18,397 one-year-olds | +0.9% |
Australia compared with similar countries
- Australia's 18,397 one-year-olds is above the median for high income countries, which is 2,216 one-year-olds, 8.3× the median. (63 countries reporting)
- Australia's 18,397 one-year-olds is above the median for East Asia & Pacific, which is 4,252 one-year-olds, 4.3× the median. (30 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 83,613 one-year-olds | 17,433 one-year-olds | 150,138 one-year-olds | 10 |
| 1990s | 31,938 one-year-olds | 12,668 one-year-olds | 59,178 one-year-olds | 10 |
| 2000s | 21,337 one-year-olds | 17,678 one-year-olds | 25,406 one-year-olds | 10 |
| 2010s | 21,107 one-year-olds | 15,293 one-year-olds | 27,604 one-year-olds | 10 |
| 2020s | 16,699 one-year-olds | 15,037 one-year-olds | 18,397 one-year-olds | 4 |
Countries ranked near Australia
More health data for Australia
- Un projection of annual infant deaths, annual growth rate -1.83 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate -0.9072 % change on previous year (2090)
- Number of infants who die before age 1 215 deaths (2100)
- Neonatal tetanus - number of reported cases, gaps filled 0 (2021)
- Population ages 00-04, female, annual growth rate 1.45 % 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 0.0279 units per person (2025)
- Population ages 00-04, male, annual growth rate 1.35 % change on previous year (2025)
- Population ages 00-04, male, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 00-04, male, per capita 0.0295 units per person (2025)
Frequently asked questions
- What is number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in Australia?
- Number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in Australia was 18,397 one-year-olds in 2023, according to WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus recorded in Australia?
- The highest recorded value was 150,138 one-year-olds in 1980.
- What is the lowest number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus recorded in Australia?
- The lowest recorded value was 12,668 one-year-olds in 1990.
- How does Australia rank for number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus?
- Australia ranks 86th out of 195 countries with data for 2023.
- Is number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus rising or falling in Australia?
- Over the last ten years it is down 33.4%. The long-run trend across the full record is volatile.
- Where does this Australia data come from?
- The figures come from WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus. Statizoid updates them automatically from the source API.
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About this data
Number of one-year-olds who have not had three doses of the combined diphtheria, tetanus and pertussis vaccine in a given year.