Share of one-year-olds vaccinated against diphtheria, tetanus in Iran
Iran: Share of one-year-olds vaccinated against diphtheria, tetanus was 98.0% in 2025. ▲ Rising
Share of one-year-olds vaccinated against diphtheria, tetanus and pertussis in Iran, 1980–2025
Source: WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in %.
Analysis
In 2025, share of one-year-olds vaccinated against diphtheria, tetanus and pertussis in Iran stood at 98.0%.
That represents a change of unchanged over ten years.
Over the whole period, share of one-year-olds vaccinated against diphtheria, tetanus and pertussis in Iran peaked at 99.0% in 1993 and was at its lowest, 29.0%, in 1981.
Iran ranks 20th of 195 countries on this measure, in the top 10%.
The long-run direction has been consistently rising across the 46 years of available data.
Share of one-year-olds vaccinated against diphtheria, tetanus in Iran, year by year
| Year | % | Change |
|---|---|---|
| 1980 | 32.0% | — |
| 1981 | 29.0% | -9.4% |
| 1982 | 41.0% | +41.4% |
| 1983 | 33.0% | -19.5% |
| 1984 | 33.0% | +0.0% |
| 1985 | 51.0% | +54.5% |
| 1986 | 57.0% | +11.8% |
| 1987 | 57.0% | +0.0% |
| 1988 | 88.0% | +54.4% |
| 1989 | 82.0% | -6.8% |
| 1990 | 91.0% | +11.0% |
| 1991 | 88.0% | -3.3% |
| 1992 | 97.0% | +10.2% |
| 1993 | 99.0% | +2.1% |
| 1994 | 95.0% | -4.0% |
| 1995 | 98.0% | +3.2% |
| 1996 | 99.0% | +1.0% |
| 1997 | 99.0% | +0.0% |
| 1998 | 99.0% | +0.0% |
| 1999 | 99.0% | +0.0% |
| 2000 | 99.0% | +0.0% |
| 2001 | 96.0% | -3.0% |
| 2002 | 99.0% | +3.1% |
| 2003 | 99.0% | +0.0% |
| 2004 | 99.0% | +0.0% |
| 2005 | 95.0% | -4.0% |
| 2006 | 98.0% | +3.2% |
| 2007 | 99.0% | +1.0% |
| 2008 | 99.0% | +0.0% |
| 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 | 98.0% | -1.0% |
| 2025 | 98.0% | +0.0% |
Iran compared with similar countries
- Iran's 98.0% is above the median for upper middle income countries, which is 91.0%, 1.1× the median. (58 countries reporting)
- Iran's 98.0% is above the median for Middle East, North Africa, Afghanistan & Pakistan, which is 96.0%, 1.0× the median. (23 countries reporting)
Biggest year-on-year movements
Years where Share of one-year-olds vaccinated against diphtheria, tetanus in Iran 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.
| Year | Change | From | To |
|---|---|---|---|
| 1985 | +54.5% | 33.0% | 51.0% |
| 1988 | +54.4% | 57.0% | 88.0% |
| 1982 | +41.4% | 29.0% | 41.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 50.3% | 29.0% | 88.0% | 10 |
| 1990s | 96.4% | 88.0% | 99.0% | 10 |
| 2000s | 98.2% | 95.0% | 99.0% | 10 |
| 2010s | 98.8% | 98.0% | 99.0% | 10 |
| 2020s | 98.5% | 98.0% | 99.0% | 6 |
Countries ranked near Iran
- 20 Andorra 98.0% compare
- 20 Bahrain 98.0% compare
- 20 Belarus 98.0% compare
- 20 Belgium 98.0% compare
- 20 Cyprus 98.0% compare
- 20 Egypt 98.0% compare
- 20 Israel 98.0% compare
- 20 Saudi Arabia 98.0% compare
- 20 Seychelles 98.0% compare
- 20 Turkmenistan 98.0% compare
- 20 United Arab Emirates 98.0% compare
- 20 Uzbekistan 98.0% compare
More reference data data for Iran
- Emission Totals - Emissions (N2O) - Manure applied to Soils 11.62 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 7.3 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 3.47 (2050)
- Emission Totals - Emissions (N2O) - Burning - Crop residues 0.2091 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 3.84 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 46.54 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 109.46 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 1.34 (2050)
- Emission Totals - Emissions (N2O) - Agricultural Soils 105.41 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 12.01 (2050)
Frequently asked questions
- What is share of one-year-olds vaccinated against diphtheria, tetanus and pertussis in Iran?
- Share of one-year-olds vaccinated against diphtheria, tetanus and pertussis in Iran was 98.0% in 2025, according to WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest share of one-year-olds vaccinated against diphtheria, tetanus and pertussis recorded in Iran?
- The highest recorded value was 99.0% in 1993.
- What is the lowest share of one-year-olds vaccinated against diphtheria, tetanus and pertussis recorded in Iran?
- The lowest recorded value was 29.0% in 1981.
- How does Iran rank for share of one-year-olds vaccinated against diphtheria, tetanus and pertussis?
- Iran ranks 20th out of 195 countries with data for 2025.
- Is share of one-year-olds vaccinated against diphtheria, tetanus and pertussis 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 (2026); UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Share of one-year-olds vaccinated against diphtheria, tetanus and pertussis. Statizoid updates them automatically from the source API.
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About this data
Share of one-year-olds who have had three doses of the combined diphtheria, tetanus and pertussis vaccine in a given year.