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Diphtheria - number of reported cases in Portugal

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

Latest (2025)
0
World rank
60th
of 210 countries
All-time high
674
in 1976
All-time low
0
in 1990
Years of data
51
1974–2025

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

0200400600197419992025

Source: World Health Organization, Global Health Observatory.

Analysis

In 2025, diphtheria - number of reported cases in Portugal stood at 0. That is the lowest value across all 51 years on record.

Over the whole period, diphtheria - number of reported cases in Portugal peaked at 674 in 1976 and was at its lowest, 0, in 1990.

Portugal ranks 60th of 210 countries on this measure, 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 Portugal, year by year

Year Value Change
1974 487 —
1975 382 -21.6%
1976 674 +76.4%
1977 314 -53.4%
1978 249 -20.7%
1979 154 -38.2%
1980 90 -41.6%
1981 18 -80.0%
1982 16 -11.1%
1983 36 +125.0%
1984 10 -72.2%
1985 51 +410.0%
1986 3 -94.1%
1987 6 +100.0%
1988 1 -83.3%
1989 1 +0.0%
1990 0 -100.0%
1991 0 —
1992 3 —
1993 0 -100.0%
1994 0 —
1995 0 —
1996 0 —
1997 0 —
1998 0 —
1999 0 —
2000 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 376.67 154 674 6
1980s 23.2 1 90 10
1990s 0.3 0 3 10
2000s 0 0 0 9
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 Portugal

All data for Portugal →

Frequently asked questions

What is diphtheria - number of reported cases in Portugal?
Diphtheria - number of reported cases in Portugal was 0 in 2025, according to World Health Organization, Global Health Observatory.
What is the highest diphtheria - number of reported cases recorded in Portugal?
The highest recorded value was 674 in 1976.
What is the lowest diphtheria - number of reported cases recorded in Portugal?
The lowest recorded value was 0 in 1990.
How does Portugal rank for diphtheria - number of reported cases?
Portugal ranks 60th out of 210 countries with data for 2025.
Where does this Portugal 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 Portugal. Statizoid, drawing on World Health Organization, Global Health Observatory. Retrieved 27 August 2026, from https://health.statizoid.com/stat/diphtheria-number-of-reported-cases/portugal/

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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