Share of one-year-olds vaccinated against diphtheria, tetanus and pertussis in Iran

Iran: Share of one-year-olds vaccinated against diphtheria, tetanus and pertussis was 98.0% in 2024. ▲ Rising

Latest (2024)
98.0%
Change on year
down 1.0%
World rank
21st
of 194 countries
All-time high
99.0%
in 1993
All-time low
29.0%
in 1981
Years of data
45
1980–2024

Share of one-year-olds vaccinated against diphtheria, tetanus and pertussis in Iran, 1980–2024

204060801001980200220241980: 32 %1981: 29 %1982: 41 %1983: 33 %1984: 33 %1985: 51 %1986: 57 %1987: 57 %1988: 88 %1989: 82 %1990: 91 %1991: 88 %1992: 97 %1993: 99 %1994: 95 %1995: 98 %1996: 99 %1997: 99 %1998: 99 %1999: 99 %2000: 99 %2001: 96 %2002: 99 %2003: 99 %2004: 99 %2005: 95 %2006: 98 %2007: 99 %2008: 99 %2009: 99 %2010: 99 %2011: 99 %2012: 99 %2013: 98 %2014: 99 %2015: 98 %2016: 99 %2017: 99 %2018: 99 %2019: 99 %2020: 99 %2021: 98 %2022: 99 %2023: 99 %2024: 98 %

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 vaccinated against diphtheria, tetanus and pertussis in Iran stood at 98.0%.

That represents a change of down 1.0% on the previous year and down 1.0% 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 21st of 194 countries on this measure, in the top quarter.

The long-run direction has been consistently rising across the 45 years of available data.

Averages by decade

DecadeAverage LowestHighest 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 98.6% 98.0% 99.0% 5

Countries ranked near Iran

  1. 21 Andorra 98.0% compare
  2. 21 Belarus 98.0% compare
  3. 21 Bhutan 98.0% compare
  4. 21 Guyana 98.0% compare
  5. 21 Israel 98.0% compare
  6. 21 Kazakhstan 98.0% compare
  7. 21 Rwanda 98.0% compare
  8. 21 Turkmenistan 98.0% compare

See the full ranking of 194 places →

More reference data data for Iran

All data for Iran →

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 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 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 21st out of 194 countries with data for 2024.
Is share of one-year-olds vaccinated against diphtheria, tetanus and pertussis rising or falling in Iran?
Over the last ten years it is down 1.0%. 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 vaccinated against diphtheria, tetanus and pertussis. 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

Indicator
Share of one-year-olds vaccinated against diphtheria, tetanus and pertussis
Unit
%
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
194 places, 8,100 data points, 1980–2024
Last refreshed

Share of one-year-olds who have had three doses of the combined diphtheria, tetanus and pertussis vaccine in a given year.