Share of one-year-olds who are vaccinated against polio in Iran
Iran: Share of one-year-olds who are vaccinated against polio was 99.0% in 2024. ▲ Rising
Latest (2024)
99.0%
Change on year
unchanged
World rank
1st
of 194 countries
All-time high
99.0%
in 1993
All-time low
34.0%
in 1983
Years of data
45
1980–2024
Share of one-year-olds who are vaccinated against polio in Iran, 1980–2024
Source: WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in %.
Analysis
In 2024, share of one-year-olds who are vaccinated against polio in Iran stood at 99.0%. That is the highest value across all 45 years on record.
Compared with earlier readings it is unchanged over ten years.
Over the whole period, share of one-year-olds who are vaccinated against polio in Iran peaked at 99.0% in 1993 and was at its lowest, 34.0%, in 1983.
Iran ranks 1st of 194 countries on this measure, in the top 10%.
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 Iran, year by year
| Year | % | Change |
|---|---|---|
| 1980 | 38.0% | — |
| 1981 | 47.0% | +23.7% |
| 1982 | 74.0% | +57.4% |
| 1983 | 34.0% | -54.1% |
| 1984 | 34.0% | +0.0% |
| 1985 | 63.0% | +85.3% |
| 1986 | 58.0% | -7.9% |
| 1987 | 58.0% | +0.0% |
| 1988 | 88.0% | +51.7% |
| 1989 | 82.0% | -6.8% |
| 1990 | 90.0% | +9.8% |
| 1991 | 88.0% | -2.2% |
| 1992 | 97.0% | +10.2% |
| 1993 | 99.0% | +2.1% |
| 1994 | 95.0% | -4.0% |
| 1995 | 97.0% | +2.1% |
| 1996 | 99.0% | +2.1% |
| 1997 | 99.0% | +0.0% |
| 1998 | 99.0% | +0.0% |
| 1999 | 99.0% | +0.0% |
| 2000 | 99.0% | +0.0% |
| 2001 | 95.0% | -4.0% |
| 2002 | 99.0% | +4.2% |
| 2003 | 99.0% | +0.0% |
| 2004 | 98.0% | -1.0% |
| 2005 | 95.0% | -3.1% |
| 2006 | 99.0% | +4.2% |
| 2007 | 98.0% | -1.0% |
| 2008 | 99.0% | +1.0% |
| 2009 | 99.0% | +0.0% |
| 2010 | 99.0% | +0.0% |
| 2011 | 99.0% | +0.0% |
| 2012 | 99.0% | +0.0% |
| 2013 | 98.0% | -1.0% |
| 2014 | 99.0% | +1.0% |
| 2015 | 98.0% | -1.0% |
| 2016 | 99.0% | +1.0% |
| 2017 | 99.0% | +0.0% |
| 2018 | 99.0% | +0.0% |
| 2019 | 99.0% | +0.0% |
| 2020 | 99.0% | +0.0% |
| 2021 | 98.0% | -1.0% |
| 2022 | 99.0% | +1.0% |
| 2023 | 99.0% | +0.0% |
| 2024 | 99.0% | +0.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 57.6% | 34.0% | 88.0% | 10 |
| 1990s | 96.2% | 88.0% | 99.0% | 10 |
| 2000s | 98.0% | 95.0% | 99.0% | 10 |
| 2010s | 98.8% | 98.0% | 99.0% | 10 |
| 2020s | 98.8% | 98.0% | 99.0% | 5 |
Countries ranked near Iran
- 1 Antigua and Barbuda 99.0% compare
- 1 Bhutan 99.0% compare
- 1 Brunei Darussalam 99.0% compare
- 1 Costa Rica 99.0% compare
- 1 Cuba 99.0% compare
- 1 Guyana 99.0% compare
- 1 Hungary 99.0% compare
- 1 Kuwait 99.0% compare
- 1 Luxembourg 99.0% compare
- 1 Maldives 99.0% compare
- 1 Monaco 99.0% compare
- 1 Niue 99.0% compare
- 1 Oman 99.0% compare
- 1 Portugal 99.0% compare
- 1 Saint Vincent and the Grenadines 99.0% compare
- 1 Tonga 99.0% compare
- 1 Türkiye 99.0% compare
More health data for Iran
- Un projection of annual infant deaths, annual growth rate -1.38 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate -0.5627 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 1,361 deaths per 1,000 people (2090)
- Number of infants who die before age 1 1,070 deaths (2100)
- Population ages 0-14, female, annual growth rate -0.932 % 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 0.1071 units per person (2025)
- Population ages 0-14, male, annual growth rate -0.9773 % 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 0.1131 units per person (2025)
Frequently asked questions
- What is share of one-year-olds who are vaccinated against polio in Iran?
- Share of one-year-olds who are vaccinated against polio in Iran was 99.0% 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 Iran?
- The highest recorded value was 99.0% in 1993.
- What is the lowest share of one-year-olds who are vaccinated against polio recorded in Iran?
- The lowest recorded value was 34.0% in 1983.
- How does Iran rank for share of one-year-olds who are vaccinated against polio?
- Iran ranks 1st out of 194 countries with data for 2024.
- Is share of one-year-olds who are vaccinated against polio rising or falling in Iran?
- Over the last ten years it is unchanged. The long-run trend across the full record is rising.
- Where does this Iran 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.