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

Bulgaria: Share of one-year-olds vaccinated against diphtheria, tetanus and pertussis was 94.0% in 2024. ▼ Falling

Latest (2024)
94.0%
Change on year
up 2.2%
World rank
67th
of 194 countries
All-time high
99.0%
in 1981
All-time low
88.0%
in 2014
Years of data
45
1980–2024

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

0204060801001980200220241980: 98 %1981: 99 %1982: 99 %1983: 99 %1984: 99 %1985: 99 %1986: 99 %1987: 99 %1988: 99 %1989: 99 %1990: 99 %1991: 99 %1992: 98 %1993: 98 %1994: 93 %1995: 96 %1996: 95 %1997: 94 %1998: 95 %1999: 96 %2000: 93 %2001: 94 %2002: 93 %2003: 96 %2004: 95 %2005: 96 %2006: 95 %2007: 95 %2008: 95 %2009: 94 %2010: 94 %2011: 95 %2012: 95 %2013: 95 %2014: 88 %2015: 91 %2016: 92 %2017: 92 %2018: 92 %2019: 93 %2020: 91 %2021: 89 %2022: 91 %2023: 92 %2024: 94 %

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 Bulgaria stood at 94.0%.

That represents a change of up 2.2% on the previous year and up 6.8% over ten years.

Over the whole period, share of one-year-olds vaccinated against diphtheria, tetanus and pertussis in Bulgaria peaked at 99.0% in 1981 and was at its lowest, 88.0%, in 2014.

Bulgaria ranks 67th of 194 countries on this measure, in the middle of the range.

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

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

Annual values for Share of one-year-olds vaccinated against diphtheria, tetanus and pertussis in Bulgaria, 1980 to 2024.
Year % Change
1980 98.0% —
1981 99.0% +1.0%
1982 99.0% +0.0%
1983 99.0% +0.0%
1984 99.0% +0.0%
1985 99.0% +0.0%
1986 99.0% +0.0%
1987 99.0% +0.0%
1988 99.0% +0.0%
1989 99.0% +0.0%
1990 99.0% +0.0%
1991 99.0% +0.0%
1992 98.0% -1.0%
1993 98.0% +0.0%
1994 93.0% -5.1%
1995 96.0% +3.2%
1996 95.0% -1.0%
1997 94.0% -1.1%
1998 95.0% +1.1%
1999 96.0% +1.1%
2000 93.0% -3.1%
2001 94.0% +1.1%
2002 93.0% -1.1%
2003 96.0% +3.2%
2004 95.0% -1.0%
2005 96.0% +1.1%
2006 95.0% -1.0%
2007 95.0% +0.0%
2008 95.0% +0.0%
2009 94.0% -1.1%
2010 94.0% +0.0%
2011 95.0% +1.1%
2012 95.0% +0.0%
2013 95.0% +0.0%
2014 88.0% -7.4%
2015 91.0% +3.4%
2016 92.0% +1.1%
2017 92.0% +0.0%
2018 92.0% +0.0%
2019 93.0% +1.1%
2020 91.0% -2.2%
2021 89.0% -2.2%
2022 91.0% +2.2%
2023 92.0% +1.1%
2024 94.0% +2.2%

Bulgaria compared with similar countries

  • Bulgaria's 94.0% is below the median for high income countries, which is 96.0%, 98% of the median. (63 countries reporting)
  • Bulgaria's 94.0% is above the median for Europe & Central Asia, which is 94.0%, 1.0× the median. (51 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1980s 98.9% 98.0% 99.0% 10
1990s 96.3% 93.0% 99.0% 10
2000s 94.6% 93.0% 96.0% 10
2010s 92.7% 88.0% 95.0% 10
2020s 91.4% 89.0% 94.0% 5

Countries ranked near Bulgaria

  1. 67 Armenia 94.0% compare
  2. 67 Barbados 94.0% compare
  3. 67 Cyprus 94.0% compare
  4. 67 Fiji 94.0% compare
  5. 67 Iceland 94.0% compare
  6. 67 India 94.0% compare
  7. 67 Italy 94.0% compare
  8. 67 Kiribati 94.0% compare
  9. 67 Poland 94.0% compare
  10. 67 Seychelles 94.0% compare
  11. 67 Spain 94.0% compare
  12. 67 Tuvalu 94.0% compare
  13. 67 United States 94.0% compare
  14. 67 Uruguay 94.0% compare

See the full ranking of 194 places →

More reference data data for Bulgaria

All data for Bulgaria →

Frequently asked questions

What is share of one-year-olds vaccinated against diphtheria, tetanus and pertussis in Bulgaria?
Share of one-year-olds vaccinated against diphtheria, tetanus and pertussis in Bulgaria was 94.0% 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 Bulgaria?
The highest recorded value was 99.0% in 1981.
What is the lowest share of one-year-olds vaccinated against diphtheria, tetanus and pertussis recorded in Bulgaria?
The lowest recorded value was 88.0% in 2014.
How does Bulgaria rank for share of one-year-olds vaccinated against diphtheria, tetanus and pertussis?
Bulgaria ranks 67th out of 194 countries with data for 2024.
Is share of one-year-olds vaccinated against diphtheria, tetanus and pertussis rising or falling in Bulgaria?
Over the last ten years it is up 6.8%. The long-run trend across the full record is falling.
Where does this Bulgaria 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.

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Share of one-year-olds vaccinated against diphtheria, tetanus and pertussis in Bulgaria. Statizoid, drawing on WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 28 September 2026, from https://reference.statizoid.com/stat/share-of-children-immunized-dtp3/bulgaria/

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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.