Number of one-year-olds who are not vaccinated against polio in New Zealand
New Zealand: Number of one-year-olds who are not vaccinated against polio was 7,075 one-year-olds in 2023. ◆ Volatile
Latest (2023)
7,075 one-year-olds
Change on year
up 8.5%
World rank
106th
of 194 countries
All-time high
19,216 one-year-olds
in 1992
All-time low
575.3 one-year-olds
in 1997
Years of data
41
1983–2023
Number of one-year-olds who are not vaccinated against polio in New Zealand, 1983–2023
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 polio in New Zealand is 7,075 one-year-olds, measured in 2023.
The figure is up 8.5% on the previous year and up 43.8% over ten years.
Over the whole period, number of one-year-olds who are not vaccinated against polio in New Zealand peaked at 19,216 one-year-olds in 1992 and was at its lowest, 575.3 one-year-olds, in 1997.
New Zealand ranks 106th of 194 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 vaccinated against polio in New Zealand, year by year
| Year | one-year-olds | Change |
|---|---|---|
| 1983 | 13,945 one-year-olds | — |
| 1984 | 7,997 one-year-olds | -42.6% |
| 1985 | 8,067 one-year-olds | +0.9% |
| 1986 | 8,160 one-year-olds | +1.2% |
| 1987 | 13,508 one-year-olds | +65.5% |
| 1988 | 13,304 one-year-olds | -1.5% |
| 1989 | 9,264 one-year-olds | -30.4% |
| 1990 | 5,662 one-year-olds | -38.9% |
| 1991 | 18,907 one-year-olds | +233.9% |
| 1992 | 19,216 one-year-olds | +1.6% |
| 1993 | 14,293 one-year-olds | -25.6% |
| 1994 | 9,385 one-year-olds | -34.3% |
| 1995 | 7,565 one-year-olds | -19.4% |
| 1996 | 3,479 one-year-olds | -54.0% |
| 1997 | 575.3 one-year-olds | -83.5% |
| 1998 | 10,295 one-year-olds | +1689.5% |
| 1999 | 8,516 one-year-olds | -17.3% |
| 2000 | 10,104 one-year-olds | +18.6% |
| 2001 | 10,104 one-year-olds | +0.0% |
| 2002 | 8,956 one-year-olds | -11.4% |
| 2003 | 7,766 one-year-olds | -13.3% |
| 2004 | 7,274 one-year-olds | -6.3% |
| 2005 | 6,268 one-year-olds | -13.8% |
| 2006 | 6,358 one-year-olds | +1.4% |
| 2007 | 7,120 one-year-olds | +12.0% |
| 2008 | 6,795 one-year-olds | -4.6% |
| 2009 | 5,087 one-year-olds | -25.1% |
| 2010 | 4,492 one-year-olds | -11.7% |
| 2011 | 3,196 one-year-olds | -28.8% |
| 2012 | 4,397 one-year-olds | +37.6% |
| 2013 | 4,918 one-year-olds | +11.9% |
| 2014 | 4,225 one-year-olds | -14.1% |
| 2015 | 4,762 one-year-olds | +12.7% |
| 2016 | 4,762 one-year-olds | -0.0% |
| 2017 | 3,600 one-year-olds | -24.4% |
| 2018 | 4,215 one-year-olds | +17.1% |
| 2019 | 4,805 one-year-olds | +14.0% |
| 2020 | 4,792 one-year-olds | -0.3% |
| 2021 | 5,989 one-year-olds | +25.0% |
| 2022 | 6,520 one-year-olds | +8.9% |
| 2023 | 7,075 one-year-olds | +8.5% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 10,606 one-year-olds | 7,997 one-year-olds | 13,945 one-year-olds | 7 |
| 1990s | 9,789 one-year-olds | 575.3 one-year-olds | 19,216 one-year-olds | 10 |
| 2000s | 7,583 one-year-olds | 5,087 one-year-olds | 10,104 one-year-olds | 10 |
| 2010s | 4,337 one-year-olds | 3,196 one-year-olds | 4,918 one-year-olds | 10 |
| 2020s | 6,094 one-year-olds | 4,792 one-year-olds | 7,075 one-year-olds | 4 |
Countries ranked near New Zealand
More health data for New Zealand
- Un projection of annual infant deaths, annual growth rate -2.94 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate -0.4815 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 1,116 deaths per 1,000 people (2090)
- Number of infants who die before age 1 33 deaths (2100)
- Population ages 0-14, female, annual growth rate -0.6935 % change on previous year (2025)
- Population ages 0-14, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 0-14, female, per capita 0.087 units per person (2025)
- Population ages 0-14, male, annual growth rate -0.6744 % change on previous year (2025)
- Population ages 0-14, male, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 0-14, male, per capita 0.0918 units per person (2025)
Frequently asked questions
- What is number of one-year-olds who are not vaccinated against polio in New Zealand?
- Number of one-year-olds who are not vaccinated against polio in New Zealand was 7,075 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 polio recorded in New Zealand?
- The highest recorded value was 19,216 one-year-olds in 1992.
- What is the lowest number of one-year-olds who are not vaccinated against polio recorded in New Zealand?
- The lowest recorded value was 575.3 one-year-olds in 1997.
- How does New Zealand rank for number of one-year-olds who are not vaccinated against polio?
- New Zealand ranks 106th out of 194 countries with data for 2023.
- Is number of one-year-olds who are not vaccinated against polio rising or falling in New Zealand?
- Over the last ten years it is up 43.8%. The long-run trend across the full record is volatile.
- Where does this New Zealand 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 polio. Statizoid updates them automatically from the source API.
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About this data
Number of one-year-olds who have not had the third dose of either the oral or inactivated polio vaccine in a given year.