Pertussis - number of reported cases, gaps filled in Samoa
Samoa: Pertussis - number of reported cases, gaps filled was 107 in 2025. ◆ Volatile
Pertussis - number of reported cases, gaps filled in Samoa, 1974–2025
Source: Statizoid (derived).
Analysis
The most recent figure for pertussis - number of reported cases, gaps filled in Samoa is 107, measured in 2025.
That represents a change of down 64.5% on the previous year.
Over the whole period, pertussis - number of reported cases, gaps filled in Samoa peaked at 326 in 2018 and was at its lowest, 0, in 1983.
Samoa ranks 74th 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 Samoa, year by year
| Year | Value | Change |
|---|---|---|
| 1974 | 12 | — |
| 1975 | 66 | +450.0% |
| 1976 | 139 | +110.6% |
| 1977 | 91 | -34.5% |
| 1978 | 140 | +53.8% |
| 1979 | 40 | -71.4% |
| 1980 | 113 | +182.5% |
| 1981 | 99 | -12.4% |
| 1982 | 66 | -33.3% |
| 1983 | 0 | -100.0% |
| 1984 | 0 | — |
| 1985 | 0 | — |
| 1986 | 0 | — |
| 1987 | 0 | — |
| 1988 | 0 | — |
| 1989 | 9 | — |
| 1990 | 0 | -100.0% |
| 1991 | 0 | — |
| 1992 | 3 | — |
| 1993 | 0 | -100.0% |
| 1994 | 0 | — |
| 1995 | 0 | — |
| 1996 | 0 | — |
| 1997 | 0 | — |
| 1998 | 0 | — |
| 2003 | 2 | — |
| 2004 | 0 | -100.0% |
| 2005 | 0 | — |
| 2006 | 0 | — |
| 2007 | 26.5 | — |
| 2008 | 53 | +100.0% |
| 2009 | 0 | -100.0% |
| 2010 | 22 | — |
| 2011 | 0 | -100.0% |
| 2012 | 0 | — |
| 2017 | 0 | — |
| 2018 | 326 | — |
| 2019 | 163 | -50.0% |
| 2020 | 0 | -100.0% |
| 2021 | 0 | — |
| 2022 | 0 | — |
| 2023 | 0 | — |
| 2024 | 301 | — |
| 2025 | 107 | -64.5% |
Samoa compared with similar countries
- Samoa's 107 is above the median for upper middle income countries, which is 18, 5.9× the median. (57 countries reporting)
- Samoa's 107 is above the median for East Asia & Pacific, which is 7, 15.3× the median. (37 countries reporting)
Biggest year-on-year movements
Years where Pertussis - number of reported cases, gaps filled in Samoa 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 |
|---|---|---|---|
| 1975 | +450.0% | 12 | 66 |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 81.33 | 12 | 140 | 6 |
| 1980s | 28.7 | 0 | 113 | 10 |
| 1990s | 0.3333 | 0 | 3 | 9 |
| 2000s | 11.64 | 0 | 53 | 7 |
| 2010s | 85.17 | 0 | 326 | 6 |
| 2020s | 68 | 0 | 301 | 6 |
Countries ranked near Samoa
More health data for Samoa
- Un projection of annual infant deaths, annual growth rate 0 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 1.71 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 708.7 deaths per 1,000 people (2090)
- Number of infants who die before age 1 17 deaths (2100)
- Neonatal tetanus - number of reported cases, gaps filled 1 (2025)
- Population ages 00-04, female, annual growth rate -2.45 % 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 0.0591 units per person (2025)
- Population ages 00-04, male, annual growth rate -2.5 % 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 Samoa?
- Pertussis - number of reported cases, gaps filled in Samoa was 107 in 2025, according to Statizoid (derived).
- What is the highest pertussis - number of reported cases, gaps filled recorded in Samoa?
- The highest recorded value was 326 in 2018.
- What is the lowest pertussis - number of reported cases, gaps filled recorded in Samoa?
- The lowest recorded value was 0 in 1983.
- How does Samoa rank for pertussis - number of reported cases, gaps filled?
- Samoa ranks 74th out of 210 countries with data for 2025.
- Where does this Samoa 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 — 44 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.