Pertussis - number of reported cases, gaps filled in Lower-middle income (World Bank)
Lower-middle income (World Bank): Pertussis - number of reported cases, gaps filled was 7,080 in 2025. ◆ Volatile
Pertussis - number of reported cases, gaps filled in Lower-middle income (World Bank), 1974–2025
Source: Statizoid (derived).
Analysis
In 2025, pertussis - number of reported cases, gaps filled in Lower-middle income (World Bank) stood at 7,080.
Compared with earlier readings it is down 40.8% on the previous year and down 80.6% over ten years.
Over the whole period, pertussis - number of reported cases, gaps filled in Lower-middle income (World Bank) peaked at 794,956 in 1982 and was at its lowest, 1,130, in 2021.
The series is highly variable year to year, so single readings are best treated with caution.
Pertussis - number of reported cases, gaps filled in Lower-middle income (World Bank), year by year
| Year | Value | Change |
|---|---|---|
| 1974 | 445,982 | — |
| 1975 | 596,594 | +33.8% |
| 1976 | 600,110 | +0.6% |
| 1977 | 542,801 | -9.5% |
| 1978 | 572,031 | +5.4% |
| 1979 | 657,168 | +14.9% |
| 1980 | 738,889 | +12.4% |
| 1981 | 772,000 | +4.5% |
| 1982 | 794,956 | +3.0% |
| 1983 | 579,886 | -27.1% |
| 1984 | 465,147 | -19.8% |
| 1985 | 480,289 | +3.3% |
| 1986 | 398,017 | -17.1% |
| 1987 | 364,832 | -8.3% |
| 1988 | 306,371 | -16.0% |
| 1989 | 340,166 | +11.0% |
| 1990 | 239,082 | -29.7% |
| 1991 | 274,230 | +14.7% |
| 1992 | 118,113 | -56.9% |
| 1993 | 90,903 | -23.0% |
| 1994 | 71,707 | -21.1% |
| 1995 | 27,110 | -62.2% |
| 1996 | 44,709 | +64.9% |
| 1997 | 44,208 | -1.1% |
| 1998 | 75,772 | +71.4% |
| 1999 | 21,585 | -71.5% |
| 2000 | 84,530 | +291.6% |
| 2001 | 86,639 | +2.5% |
| 2002 | 58,422 | -32.6% |
| 2003 | 45,669 | -21.8% |
| 2004 | 53,259 | +16.6% |
| 2005 | 54,796 | +2.9% |
| 2006 | 49,693 | -9.3% |
| 2007 | 63,927 | +28.6% |
| 2008 | 63,373 | -0.9% |
| 2009 | 80,121 | +26.4% |
| 2010 | 51,377 | -35.9% |
| 2011 | 47,715 | -7.1% |
| 2012 | 66,203 | +38.7% |
| 2013 | 47,144 | -28.8% |
| 2014 | 62,780 | +33.2% |
| 2015 | 36,579 | -41.7% |
| 2016 | 43,013 | +17.6% |
| 2017 | 38,249 | -11.1% |
| 2018 | 26,937 | -29.6% |
| 2019 | 14,527 | -46.1% |
| 2020 | 12,871 | -11.4% |
| 2021 | 1,130 | -91.2% |
| 2022 | 9,795 | +766.8% |
| 2023 | 16,283 | +66.2% |
| 2024 | 11,958 | -26.6% |
| 2025 | 7,080 | -40.8% |
Biggest year-on-year movements
Years where Pertussis - number of reported cases, gaps filled in Lower-middle income (World Bank) 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 |
|---|---|---|---|
| 2022 | +766.8% | 1,130 | 9,795 |
| 2000 | +291.6% | 21,585 | 84,530 |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 569,114 | 445,982 | 657,168 | 6 |
| 1980s | 524,055 | 306,371 | 794,956 | 10 |
| 1990s | 100,742 | 21,585 | 274,230 | 10 |
| 2000s | 64,043 | 45,669 | 86,639 | 10 |
| 2010s | 43,452 | 14,527 | 66,203 | 10 |
| 2020s | 9,853 | 1,130 | 16,283 | 6 |
Countries ranked near Lower-middle income (World Bank)
More health data for Lower-middle income (World Bank)
- Neonatal tetanus - number of reported cases, gaps filled 838 (2025)
- Measles - number of reported cases, gaps filled 97,321 (2025)
- Diphtheria - number of reported cases, gaps filled 20,601 (2025)
- Total tetanus - number of reported cases, gaps filled 16,092 (2025)
- Number of infant deaths, annual growth rate -2.13 % change on previous year (2024)
- Number of neonatal deaths, annual growth rate -2.37 % change on previous year (2024)
- Number of under-five deaths, annual growth rate -2.34 % change on previous year (2024)
- Measles - number of reported cases, annual growth rate -8.83 % change on previous year (2025)
- Pertussis - number of reported cases, annual growth rate -40.79 % change on previous year (2025)
- Total tetanus - number of reported cases, annual growth rate 117.14 % change on previous year (2025)
Frequently asked questions
- What is pertussis - number of reported cases, gaps filled in Lower-middle income (World Bank)?
- Pertussis - number of reported cases, gaps filled in Lower-middle income (World Bank) was 7,080 in 2025, according to Statizoid (derived).
- What is the highest pertussis - number of reported cases, gaps filled recorded in Lower-middle income (World Bank)?
- The highest recorded value was 794,956 in 1982.
- What is the lowest pertussis - number of reported cases, gaps filled recorded in Lower-middle income (World Bank)?
- The lowest recorded value was 1,130 in 2021.
- How does Lower-middle income (World Bank) rank for pertussis - number of reported cases, gaps filled?
- Lower-middle income (World Bank) ranks 10th out of 11 groups with data for 2025.
- Is pertussis - number of reported cases, gaps filled rising or falling in Lower-middle income (World Bank)?
- Over the last ten years it is down 80.6%. The long-run trend across the full record is volatile.
- Where does this Lower-middle income (World Bank) 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.