Share of one-year-olds who are vaccinated against polio in Brazil
Brazil: Share of one-year-olds who are vaccinated against polio was 82.0% in 2024. ▲ Rising
Share of one-year-olds who are vaccinated against polio in Brazil, 1980–2024
Source: WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in %.
Analysis
The most recent figure for share of one-year-olds who are vaccinated against polio in Brazil is 82.0%, measured in 2024.
The figure is down 3.5% on the previous year and down 14.6% over ten years.
Over the whole period, share of one-year-olds who are vaccinated against polio in Brazil peaked at 99.0% in 1999 and was at its lowest, 39.0%, in 1981.
Brazil ranks 137th of 194 countries on this measure, in the middle of the range.
The long-run direction has been consistently rising across the 45 years of available data.
Share of one-year-olds who are vaccinated against polio in Brazil, year by year
| Year | % | Change |
|---|---|---|
| 1980 | 69.0% | — |
| 1981 | 39.0% | -43.5% |
| 1982 | 51.0% | +30.8% |
| 1983 | 55.0% | +7.8% |
| 1984 | 55.0% | +0.0% |
| 1985 | 52.0% | -5.5% |
| 1986 | 51.0% | -1.9% |
| 1987 | 53.0% | +3.9% |
| 1988 | 57.0% | +7.5% |
| 1989 | 54.0% | -5.3% |
| 1990 | 58.0% | +7.4% |
| 1991 | 67.0% | +15.5% |
| 1992 | 65.0% | -3.0% |
| 1993 | 64.0% | -1.5% |
| 1994 | 70.0% | +9.4% |
| 1995 | 79.0% | +12.9% |
| 1996 | 80.0% | +1.3% |
| 1997 | 89.0% | +11.2% |
| 1998 | 95.0% | +6.7% |
| 1999 | 99.0% | +4.2% |
| 2000 | 99.0% | +0.0% |
| 2001 | 99.0% | +0.0% |
| 2002 | 99.0% | +0.0% |
| 2003 | 99.0% | +0.0% |
| 2004 | 99.0% | +0.0% |
| 2005 | 99.0% | +0.0% |
| 2006 | 99.0% | +0.0% |
| 2007 | 99.0% | +0.0% |
| 2008 | 99.0% | +0.0% |
| 2009 | 99.0% | +0.0% |
| 2010 | 99.0% | +0.0% |
| 2011 | 98.0% | -1.0% |
| 2012 | 96.0% | -2.0% |
| 2013 | 96.0% | +0.0% |
| 2014 | 96.0% | +0.0% |
| 2015 | 98.0% | +2.1% |
| 2016 | 72.0% | -26.5% |
| 2017 | 84.0% | +16.7% |
| 2018 | 85.0% | +1.2% |
| 2019 | 85.0% | +0.0% |
| 2020 | 74.0% | -12.9% |
| 2021 | 68.0% | -8.1% |
| 2022 | 75.0% | +10.3% |
| 2023 | 85.0% | +13.3% |
| 2024 | 82.0% | -3.5% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 53.6% | 39.0% | 69.0% | 10 |
| 1990s | 76.6% | 58.0% | 99.0% | 10 |
| 2000s | 99.0% | 99.0% | 99.0% | 10 |
| 2010s | 90.9% | 72.0% | 99.0% | 10 |
| 2020s | 76.8% | 68.0% | 85.0% | 5 |
Countries ranked near Brazil
- 134 Cambodia 84.0% compare
- 134 Marshall Islands 84.0% compare
- 136 East Timor 83.0% compare
- 138 Estonia 81.0% compare
- 138 Guatemala 81.0% compare
- 138 Montenegro 81.0% compare
More health data for Brazil
- Un projection of annual infant deaths, annual growth rate -1.86 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 0.1539 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 1,496 deaths per 1,000 people (2090)
- Number of infants who die before age 1 3,476 deaths (2100)
- Population ages 0-14, female, annual growth rate -1.05 % 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 0.095 units per person (2025)
- Population ages 0-14, male, annual growth rate -1.03 % 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 0.0989 units per person (2025)
Frequently asked questions
- What is share of one-year-olds who are vaccinated against polio in Brazil?
- Share of one-year-olds who are vaccinated against polio in Brazil was 82.0% in 2024, according to WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest share of one-year-olds who are vaccinated against polio recorded in Brazil?
- The highest recorded value was 99.0% in 1999.
- What is the lowest share of one-year-olds who are vaccinated against polio recorded in Brazil?
- The lowest recorded value was 39.0% in 1981.
- How does Brazil rank for share of one-year-olds who are vaccinated against polio?
- Brazil ranks 137th out of 194 countries with data for 2024.
- Is share of one-year-olds who are vaccinated against polio rising or falling in Brazil?
- Over the last ten years it is down 14.6%. The long-run trend across the full record is rising.
- Where does this Brazil 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 Share of one-year-olds who are vaccinated against polio. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 45 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Share of one-year-olds who have had the third dose of either the oral or inactivated polio vaccine in a given year.