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

Latest (2023)
18,397 one-year-olds
Change on year
up 0.9%
World rank
86th
of 195 countries
All-time high
150,138 one-year-olds
in 1980
All-time low
12,668 one-year-olds
in 1990
Years of data
44
1980–2023

Number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in Australia, 1980–2023

050.0k100.0k150.0k1980200120231980: 150.1k one-year-olds1981: 135.9k one-year-olds1982: 120.7k one-year-olds1983: 106.9k one-year-olds1984: 91.4k one-year-olds1985: 77.4k one-year-olds1986: 60.6k one-year-olds1987: 46.2k one-year-olds1988: 29.5k one-year-olds1989: 17.4k one-year-olds1990: 12.7k one-year-olds1991: 18.1k one-year-olds1992: 23.4k one-year-olds1993: 25.9k one-year-olds1994: 31.1k one-year-olds1995: 36.4k one-year-olds1996: 36.3k one-year-olds1997: 59.2k one-year-olds1998: 45.9k one-year-olds1999: 30.4k one-year-olds2000: 25.4k one-year-olds2001: 20.4k one-year-olds2002: 20.3k one-year-olds2003: 17.7k one-year-olds2004: 20.2k one-year-olds2005: 20.5k one-year-olds2006: 21.0k one-year-olds2007: 21.8k one-year-olds2008: 22.8k one-year-olds2009: 23.4k one-year-olds2010: 23.6k one-year-olds2011: 23.7k one-year-olds2012: 24.0k one-year-olds2013: 27.6k one-year-olds2014: 24.9k one-year-olds2015: 21.8k one-year-olds2016: 18.9k one-year-olds2017: 15.8k one-year-olds2018: 15.6k one-year-olds2019: 15.3k one-year-olds2020: 15.1k one-year-olds2021: 15.0k one-year-olds2022: 18.2k one-year-olds2023: 18.4k one-year-olds

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

Annual values for Number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in Australia, 1980 to 2023.
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

DecadeAverage LowestHighest 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

  1. 83 Gabon 20,008 one-year-olds compare
  2. 84 Dominican Republic 19,910 one-year-olds compare
  3. 85 Morocco 18,883 one-year-olds compare
  4. 87 Palestine 17,279 one-year-olds compare
  5. 88 Poland 16,505 one-year-olds compare
  6. 89 Mauritania 16,306 one-year-olds compare

See the full ranking of 195 places →

More health data for Australia

All data for Australia →

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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Number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus in Australia. Statizoid, drawing on WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 10 November 2026, from https://health.statizoid.com/stat/dtp3-children-unvaccinated/australia/

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About this data

Indicator
Number of one-year-olds who are not fully vaccinated against diphtheria, pertussis and tetanus
Unit
one-year-olds
Source
WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
195 places, 7,950 data points, 1980–2023
Last refreshed

Number of one-year-olds who have not had three doses of the combined diphtheria, tetanus and pertussis vaccine in a given year.