Pertussis - number of reported cases, annual growth rate in Portugal
Portugal: Pertussis - number of reported cases, annual growth rate was -97.86 % change on previous year in 2025. ◆ Volatile
Pertussis - number of reported cases, annual growth rate in Portugal, 1975–2025
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
Portugal recorded -97.86 % change on previous year for pertussis - number of reported cases, annual growth rate in 2025. That is the lowest value across all 48 years on record.
Compared with earlier readings it is down 134.0% on the previous year and down 145.5% over ten years.
Over the whole period, pertussis - number of reported cases, annual growth rate in Portugal peaked at 850 % change on previous year in 2004 and was at its lowest, -97.86 % change on previous year, in 2025.
Portugal ranks 117th of 191 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, annual growth rate in Portugal, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1975 | -35.32 % change on previous year | — |
| 1976 | 10.77 % change on previous year | -130.5% |
| 1977 | -78.47 % change on previous year | -828.7% |
| 1978 | 58.06 % change on previous year | -174.0% |
| 1979 | 87.76 % change on previous year | +51.1% |
| 1980 | -22.83 % change on previous year | -126.0% |
| 1981 | -2.82 % change on previous year | -87.7% |
| 1982 | -14.49 % change on previous year | +414.5% |
| 1983 | 110.17 % change on previous year | -860.2% |
| 1984 | -50 % change on previous year | -145.4% |
| 1985 | -12.9 % change on previous year | -74.2% |
| 1986 | 503.7 % change on previous year | -4003.7% |
| 1987 | -41.72 % change on previous year | -108.3% |
| 1988 | -74.21 % change on previous year | +77.9% |
| 1989 | 459.18 % change on previous year | -718.8% |
| 1990 | -63.14 % change on previous year | -113.8% |
| 1991 | -50.49 % change on previous year | -20.0% |
| 1992 | -60 % change on previous year | +18.8% |
| 1993 | 30 % change on previous year | -150.0% |
| 1994 | -26.92 % change on previous year | -189.7% |
| 1995 | 0 % change on previous year | -100.0% |
| 1996 | -15.79 % change on previous year | — |
| 1997 | -31.25 % change on previous year | +97.9% |
| 1998 | -18.18 % change on previous year | -41.8% |
| 1999 | 33.33 % change on previous year | -283.3% |
| 2000 | 83.33 % change on previous year | +150.0% |
| 2003 | 100 % change on previous year | +20.0% |
| 2004 | 850 % change on previous year | +750.0% |
| 2005 | 105.26 % change on previous year | -87.6% |
| 2006 | -71.79 % change on previous year | -168.2% |
| 2007 | 0 % change on previous year | -100.0% |
| 2008 | 213.64 % change on previous year | — |
| 2009 | -1.45 % change on previous year | -100.7% |
| 2010 | -79.41 % change on previous year | +5379.4% |
| 2011 | 128.57 % change on previous year | -261.9% |
| 2012 | 600 % change on previous year | +366.7% |
| 2013 | -54.02 % change on previous year | -109.0% |
| 2014 | -29.13 % change on previous year | -46.1% |
| 2015 | 215.07 % change on previous year | -838.4% |
| 2016 | 144.78 % change on previous year | -32.7% |
| 2017 | -79.57 % change on previous year | -155.0% |
| 2018 | -47.83 % change on previous year | -39.9% |
| 2019 | 40 % change on previous year | -183.6% |
| 2020 | -60.71 % change on previous year | -251.8% |
| 2021 | -90.91 % change on previous year | +49.7% |
| 2022 | 166.67 % change on previous year | -283.3% |
| 2023 | 287.5 % change on previous year | +72.5% |
| 2025 | -97.86 % change on previous year | -134.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 8.56 % change on previous year | -78.47 % change on previous year | 87.76 % change on previous year | 5 |
| 1980s | 85.41 % change on previous year | -74.21 % change on previous year | 503.7 % change on previous year | 10 |
| 1990s | -20.24 % change on previous year | -63.14 % change on previous year | 33.33 % change on previous year | 10 |
| 2000s | 159.87 % change on previous year | -71.79 % change on previous year | 850 % change on previous year | 8 |
| 2010s | 83.85 % change on previous year | -79.57 % change on previous year | 600 % change on previous year | 10 |
| 2020s | 40.94 % change on previous year | -97.86 % change on previous year | 287.5 % change on previous year | 5 |
Countries ranked near Portugal
- 114 Spain -97.39 % change on previous year compare
- 115 Solomon Islands -97.44 % change on previous year compare
- 116 Greece -97.73 % change on previous year compare
- 118 Uzbekistan -98.04 % change on previous year compare
- 119 Netherlands -98.17 % change on previous year compare
- 120 Bosnia and Herzegovina -98.17 % change on previous year compare
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)
- Population ages 50-54, male, annual growth rate 2.58 % change on previous year (2025)
- Population ages 50-54, male, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 50-54, male, per capita 0.0362 units per person (2025)
- Population ages 55-59, female, annual growth rate 0.5392 % change on previous year (2025)
- Population ages 55-59, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 55-59, female, per capita 0.0377 units per person (2025)
Frequently asked questions
- What is pertussis - number of reported cases, annual growth rate in Portugal?
- Pertussis - number of reported cases, annual growth rate in Portugal was -97.86 % change on previous year in 2025, according to Statizoid (derived).
- What is the highest pertussis - number of reported cases, annual growth rate recorded in Portugal?
- The highest recorded value was 850 % change on previous year in 2004.
- What is the lowest pertussis - number of reported cases, annual growth rate recorded in Portugal?
- The lowest recorded value was -97.86 % change on previous year in 2025.
- How does Portugal rank for pertussis - number of reported cases, annual growth rate?
- Portugal ranks 117th out of 191 countries with data for 2025.
- Is pertussis - number of reported cases, annual growth rate rising or falling in Portugal?
- Over the last ten years it is down 145.5%. 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, annual growth rate. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 48 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
The year-on-year percentage change in Pertussis - number of reported cases. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.
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
The year-on-year percentage change in Pertussis - number of reported cases. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.