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
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 | — |
Biggest year-on-year movements
Years where Diphtheria - number of reported cases in Portugal 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 | +410.0% | 10 | 51 |
Averages by decade
| Decade | Average | Lowest | Highest | 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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More health data for Portugal
- Un projection of annual infant deaths, annual growth rate -2.56 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate -0.1616 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 1,112 deaths per 1,000 people (2090)
- Number of infants who die before age 1 38 deaths (2100)
- Neonatal tetanus - number of reported cases, gaps filled 0 (2025)
- Population ages 00-04, female, annual growth rate 1.39 % change on previous year (2025)
- Population ages 00-04, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 00-04, female, per capita 0.0199 units per person (2025)
- Population ages 00-04, male, annual growth rate 1.15 % change on previous year (2025)
- Population ages 00-04, male, per unit of GDP 0 units per US$ of GDP (2025)
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.
Download this data
CSV · JSON — 51 observations, free to reuse under CC BY-NC-SA 3.0 IGO (WHO).