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Diphtheria - number of reported cases in Bulgaria

Bulgaria: Diphtheria - number of reported cases was 0 in 2025. ◆ Volatile

Latest (2025)
0
World rank
60th
of 210 countries
All-time high
6
in 1993
All-time low
0
in 1975
Years of data
52
1974–2025

Diphtheria - number of reported cases in Bulgaria, 1974–2025

0246197419992025

Source: World Health Organization, Global Health Observatory.

Analysis

The most recent figure for diphtheria - number of reported cases in Bulgaria is 0, measured in 2025. That is the lowest value across all 52 years on record.

Over the whole period, diphtheria - number of reported cases in Bulgaria peaked at 6 in 1993 and was at its lowest, 0, in 1975.

That places Bulgaria 60th out of 210 countries with data for 2025, putting it in the middle of the range.

The series is highly variable year to year, so single readings are best treated with caution.

Diphtheria - number of reported cases in Bulgaria, year by year

Year Value Change
1974 2 —
1975 0 -100.0%
1976 0 —
1977 0 —
1978 0 —
1979 0 —
1980 2 —
1981 0 -100.0%
1982 0 —
1983 0 —
1984 0 —
1985 0 —
1986 0 —
1987 0 —
1988 0 —
1989 0 —
1990 0 —
1991 0 —
1992 0 —
1993 6 —
1994 1 -83.3%
1995 0 -100.0%
1996 0 —
1997 0 —
1998 0 —
1999 0 —
2000 0 —
2001 0 —
2002 0 —
2003 0 —
2004 0 —
2005 0 —
2006 0 —
2007 0 —
2008 0 —
2009 0 —
2010 0 —
2011 0 —
2012 0 —
2013 0 —
2014 0 —
2015 0 —
2016 0 —
2017 0 —
2018 0 —
2019 0 —
2020 0 —
2021 0 —
2022 0 —
2023 0 —
2024 0 —
2025 0 —

Averages by decade

DecadeAverage LowestHighest Years
1970s 0.3333 0 2 6
1980s 0.2 0 2 10
1990s 0.7 0 6 10
2000s 0 0 0 10
2010s 0 0 0 10
2020s 0 0 0 6

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See the full ranking of 222 places →

More health data for Bulgaria

All data for Bulgaria →

Frequently asked questions

What is diphtheria - number of reported cases in Bulgaria?
Diphtheria - number of reported cases in Bulgaria was 0 in 2025, according to World Health Organization, Global Health Observatory.
What is the highest diphtheria - number of reported cases recorded in Bulgaria?
The highest recorded value was 6 in 1993.
What is the lowest diphtheria - number of reported cases recorded in Bulgaria?
The lowest recorded value was 0 in 1975.
How does Bulgaria rank for diphtheria - number of reported cases?
Bulgaria ranks 60th out of 210 countries with data for 2025.
Where does this Bulgaria data come from?
The figures come from World Health Organization, Global Health Observatory, published as part of Diphtheria - number of reported cases. Statizoid updates them automatically from the source API.

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Diphtheria - number of reported cases in Bulgaria. Statizoid, drawing on World Health Organization, Global Health Observatory. Retrieved 24 August 2026, from https://health.statizoid.com/stat/diphtheria-number-of-reported-cases/bulgaria/

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About this data

Indicator
Diphtheria - number of reported cases
Source
World Health Organization, Global Health Observatory
Licence
CC BY-NC-SA 3.0 IGO (WHO)
Coverage
222 places, 9,233 data points, 1974–2025
Last refreshed