Number of one-year-olds who are not vaccinated against Streptococcus pneumoniae in Australia

Australia: Number of one-year-olds who are not vaccinated against Streptococcus pneumoniae was 15,331 one-year-olds in 2023. ▼ Falling

Latest (2023)
15,331 one-year-olds
Change on year
up 26.1%
World rank
80th
of 143 countries
All-time high
28,000 one-year-olds
in 2014
All-time low
9,077 one-year-olds
in 2020
Years of data
16
2008–2023

Number of one-year-olds who are not vaccinated against Streptococcus pneumoniae in Australia, 2008–2023

10.0k15.0k20.0k25.0k30.0k2008201520232008: 25.6k one-year-olds2009: 26.3k one-year-olds2010: 26.5k one-year-olds2011: 26.6k one-year-olds2012: 27.0k one-year-olds2013: 27.6k one-year-olds2014: 28.0k one-year-olds2015: 21.8k one-year-olds2016: 18.9k one-year-olds2017: 19.0k one-year-olds2018: 15.6k one-year-olds2019: 12.2k one-year-olds2020: 9.1k one-year-olds2021: 12.0k one-year-olds2022: 12.2k one-year-olds2023: 15.3k one-year-olds

Source: WHO & UNICEF (2025); 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 vaccinated against streptococcus pneumoniae in Australia is 15,331 one-year-olds, measured in 2023.

Compared with earlier readings it is up 26.1% on the previous year and down 44.5% over ten years.

Over the whole period, number of one-year-olds who are not vaccinated against streptococcus pneumoniae in Australia peaked at 28,000 one-year-olds in 2014 and was at its lowest, 9,077 one-year-olds, in 2020.

Australia ranks 80th of 143 countries on this measure, in the middle of the range.

The long-run direction has been consistently falling across the 16 years of available data.

Number of one-year-olds who are not vaccinated against Streptococcus pneumoniae in Australia, year by year

Annual values for Number of one-year-olds who are not vaccinated against Streptococcus pneumoniae in Australia, 2008 to 2023.
Year one-year-olds Change
2008 25,601 one-year-olds —
2009 26,269 one-year-olds +2.6%
2010 26,538 one-year-olds +1.0%
2011 26,644 one-year-olds +0.4%
2012 26,957 one-year-olds +1.2%
2013 27,604 one-year-olds +2.4%
2014 28,000 one-year-olds +1.4%
2015 21,809 one-year-olds -22.1%
2016 18,872 one-year-olds -13.5%
2017 18,972 one-year-olds +0.5%
2018 15,554 one-year-olds -18.0%
2019 12,235 one-year-olds -21.3%
2020 9,077 one-year-olds -25.8%
2021 12,030 one-year-olds +32.5%
2022 12,156 one-year-olds +1.1%
2023 15,331 one-year-olds +26.1%

Australia compared with similar countries

  • Australia's 15,331 one-year-olds is above the median for high income countries, which is 6,656 one-year-olds, 2.3× the median. (53 countries reporting)
  • Australia's 15,331 one-year-olds is above the median for East Asia & Pacific, which is 11,481 one-year-olds, 1.3× the median. (18 countries reporting)

Biggest year-on-year movements

Years where Number of one-year-olds who are not vaccinated against Streptococcus pneumoniae in Australia 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.

YearChange FromTo
2021 +32.5% 9,077 one-year-olds 12,030 one-year-olds
2020 -25.8% 12,235 one-year-olds 9,077 one-year-olds
2023 +26.1% 12,156 one-year-olds 15,331 one-year-olds

Averages by decade

DecadeAverage LowestHighest Years
2000s 25,935 one-year-olds 25,601 one-year-olds 26,269 one-year-olds 2
2010s 22,319 one-year-olds 12,235 one-year-olds 28,000 one-year-olds 10
2020s 12,149 one-year-olds 9,077 one-year-olds 15,331 one-year-olds 4

Countries ranked near Australia

  1. 77 New Zealand 15,918 one-year-olds compare
  2. 78 Guinea-Bissau 15,688 one-year-olds compare
  3. 79 Gambia 15,597 one-year-olds compare
  4. 81 Saudi Arabia 15,123 one-year-olds compare
  5. 82 Namibia 14,149 one-year-olds compare
  6. 83 Kyrgyzstan 13,505 one-year-olds compare

See the full ranking of 143 places →

More health data for Australia

All data for Australia →

Frequently asked questions

What is number of one-year-olds who are not vaccinated against streptococcus pneumoniae in Australia?
Number of one-year-olds who are not vaccinated against streptococcus pneumoniae in Australia was 15,331 one-year-olds in 2023, according to WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data.
What is the highest number of one-year-olds who are not vaccinated against streptococcus pneumoniae recorded in Australia?
The highest recorded value was 28,000 one-year-olds in 2014.
What is the lowest number of one-year-olds who are not vaccinated against streptococcus pneumoniae recorded in Australia?
The lowest recorded value was 9,077 one-year-olds in 2020.
How does Australia rank for number of one-year-olds who are not vaccinated against streptococcus pneumoniae?
Australia ranks 80th out of 143 countries with data for 2023.
Is number of one-year-olds who are not vaccinated against streptococcus pneumoniae rising or falling in Australia?
Over the last ten years it is down 44.5%. The long-run trend across the full record is falling.
Where does this Australia data come from?
The figures come from WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Number of one-year-olds who are not vaccinated against Streptococcus pneumoniae. Statizoid updates them automatically from the source API.

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Number of one-year-olds who are not vaccinated against Streptococcus pneumoniae in Australia. Statizoid, drawing on WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 26 September 2026, from https://health.statizoid.com/stat/pcv3-number-unvaccinated/australia/

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About this data

Indicator
Number of one-year-olds who are not vaccinated against Streptococcus pneumoniae
Unit
one-year-olds
Source
WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
143 places, 1,662 data points, 2008–2023
Last refreshed

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