Pertussis - number of reported cases, gaps filled in Portugal
Portugal: Pertussis - number of reported cases, gaps filled was 20 in 2025. ◆ Volatile
Pertussis - number of reported cases, gaps filled in Portugal, 1974–2025
Source: Statizoid (derived).
Analysis
Portugal recorded 20 for pertussis - number of reported cases, gaps filled in 2025.
Compared with earlier readings it is down 97.9% on the previous year and down 91.3% over ten years.
Over the whole period, pertussis - number of reported cases, gaps filled in Portugal peaked at 935 in 2024 and was at its lowest, 2, in 2002.
Portugal ranks 99th 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.
Pertussis - number of reported cases, gaps filled in Portugal, year by year
| Year | Value | Change |
|---|---|---|
| 1974 | 201 | — |
| 1975 | 130 | -35.3% |
| 1976 | 144 | +10.8% |
| 1977 | 31 | -78.5% |
| 1978 | 49 | +58.1% |
| 1979 | 92 | +87.8% |
| 1980 | 71 | -22.8% |
| 1981 | 69 | -2.8% |
| 1982 | 59 | -14.5% |
| 1983 | 124 | +110.2% |
| 1984 | 62 | -50.0% |
| 1985 | 54 | -12.9% |
| 1986 | 326 | +503.7% |
| 1987 | 190 | -41.7% |
| 1988 | 49 | -74.2% |
| 1989 | 274 | +459.2% |
| 1990 | 101 | -63.1% |
| 1991 | 50 | -50.5% |
| 1992 | 20 | -60.0% |
| 1993 | 26 | +30.0% |
| 1994 | 19 | -26.9% |
| 1995 | 19 | +0.0% |
| 1996 | 16 | -15.8% |
| 1997 | 11 | -31.2% |
| 1998 | 9 | -18.2% |
| 1999 | 12 | +33.3% |
| 2000 | 22 | +83.3% |
| 2001 | 12 | -45.5% |
| 2002 | 2 | -83.3% |
| 2003 | 4 | +100.0% |
| 2004 | 38 | +850.0% |
| 2005 | 78 | +105.3% |
| 2006 | 22 | -71.8% |
| 2007 | 22 | +0.0% |
| 2008 | 69 | +213.6% |
| 2009 | 68 | -1.4% |
| 2010 | 14 | -79.4% |
| 2011 | 32 | +128.6% |
| 2012 | 224 | +600.0% |
| 2013 | 103 | -54.0% |
| 2014 | 73 | -29.1% |
| 2015 | 230 | +215.1% |
| 2016 | 563 | +144.8% |
| 2017 | 115 | -79.6% |
| 2018 | 60 | -47.8% |
| 2019 | 84 | +40.0% |
| 2020 | 33 | -60.7% |
| 2021 | 3 | -90.9% |
| 2022 | 8 | +166.7% |
| 2023 | 31 | +287.5% |
| 2024 | 935 | +2916.1% |
| 2025 | 20 | -97.9% |
Portugal compared with similar countries
- Portugal's 20 is below the median for high income countries, which is 52, 38% of the median. (75 countries reporting)
- Portugal's 20 is below the median for Europe & Central Asia, which is 157, 13% of the median. (51 countries reporting)
Biggest year-on-year movements
Years where Pertussis - number of reported cases, gaps filled 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 |
|---|---|---|---|
| 2024 | +2916.1% | 31 | 935 |
| 2004 | +850.0% | 4 | 38 |
| 2012 | +600.0% | 32 | 224 |
| 1986 | +503.7% | 54 | 326 |
| 1989 | +459.2% | 49 | 274 |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 107.83 | 31 | 201 | 6 |
| 1980s | 127.8 | 49 | 326 | 10 |
| 1990s | 28.3 | 9 | 101 | 10 |
| 2000s | 33.7 | 2 | 78 | 10 |
| 2010s | 149.8 | 14 | 563 | 10 |
| 2020s | 171.67 | 3 | 935 | 6 |
Countries ranked near Portugal
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 pertussis - number of reported cases, gaps filled in Portugal?
- Pertussis - number of reported cases, gaps filled in Portugal was 20 in 2025, according to Statizoid (derived).
- What is the highest pertussis - number of reported cases, gaps filled recorded in Portugal?
- The highest recorded value was 935 in 2024.
- What is the lowest pertussis - number of reported cases, gaps filled recorded in Portugal?
- The lowest recorded value was 2 in 2002.
- How does Portugal rank for pertussis - number of reported cases, gaps filled?
- Portugal ranks 99th out of 210 countries with data for 2025.
- Is pertussis - number of reported cases, gaps filled rising or falling in Portugal?
- Over the last ten years it is down 91.3%. The long-run trend across the full record is volatile.
- Where does this Portugal data come from?
- The figures come from Statizoid (derived), published as part of Pertussis - number of reported cases, gaps filled. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 52 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
Pertussis - number of reported cases with 623 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.
Computed from
- Pertussis - number of reported cases World Health Organization, Global Health Observatory
Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.
About this data
Pertussis - number of reported cases with 623 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.