Pertussis - number of reported cases, per capita in Samoa

Samoa: Pertussis - number of reported cases, per capita was 0.0005 units per person in 2025. ◆ Volatile

Latest (2025)
0.0005 units per person
Change on year
down 64.7%
World rank
11th
of 204 countries
All-time high
0.0016 units per person
in 2018
All-time low
0 units per person
in 1983
Years of data
41
1974–2025

Pertussis - number of reported cases, per capita in Samoa, 1974–2025

00.0010.0010.0021974199920251974: 0 units per person1975: 0 units per person1976: 0.001 units per person1977: 0.001 units per person1978: 0.001 units per person1979: 0 units per person1980: 0.001 units per person1981: 0.001 units per person1982: 0 units per person1983: 0 units per person1984: 0 units per person1985: 0 units per person1986: 0 units per person1987: 0 units per person1988: 0 units per person1989: 0 units per person1990: 0 units per person1991: 0 units per person1992: 0 units per person1993: 0 units per person1994: 0 units per person1995: 0 units per person1996: 0 units per person1997: 0 units per person1998: 0 units per person2003: 0 units per person2004: 0 units per person2005: 0 units per person2006: 0 units per person2008: 0 units per person2009: 0 units per person2010: 0 units per person2011: 0 units per person2012: 0 units per person2017: 0 units per person2018: 0.002 units per person2020: 0 units per person2022: 0 units per person2023: 0 units per person2024: 0.001 units per person2025: 0 units per person

Source: Statizoid (derived). Measured in units per person.

Analysis

In 2025, pertussis - number of reported cases, per capita in Samoa stood at 0.0005 units per person.

Compared with earlier readings it is down 64.7% on the previous year.

Over the whole period, pertussis - number of reported cases, per capita in Samoa peaked at 0.0016 units per person in 2018 and was at its lowest, 0 units per person, in 1983.

Samoa ranks 11th of 204 countries on this measure, in the top 10%.

The series is highly variable year to year, so single readings are best treated with caution.

Pertussis - number of reported cases, per capita in Samoa, year by year

Annual values for Pertussis - number of reported cases, per capita in Samoa, 1974 to 2025.
Year units per person Change
1974 0.0001 units per person
1975 0.0004 units per person +436.0%
1976 0.0009 units per person +105.6%
1977 0.0006 units per person -35.6%
1978 0.0009 units per person +52.3%
1979 0.0002 units per person -71.7%
1980 0.0007 units per person +180.0%
1981 0.0006 units per person -13.1%
1982 0.0004 units per person -33.7%
1983 0 units per person -100.0%
1984 0 units per person
1985 0 units per person
1986 0 units per person
1987 0 units per person
1988 0 units per person
1989 0.0001 units per person
1990 0 units per person -100.0%
1991 0 units per person
1992 0 units per person
1993 0 units per person -100.0%
1994 0 units per person
1995 0 units per person
1996 0 units per person
1997 0 units per person
1998 0 units per person
2003 0 units per person
2004 0 units per person -100.0%
2005 0 units per person
2006 0 units per person
2008 0.0003 units per person
2009 0 units per person -100.0%
2010 0.0001 units per person
2011 0 units per person -100.0%
2012 0 units per person
2017 0 units per person
2018 0.0016 units per person
2020 0 units per person -100.0%
2022 0 units per person
2023 0 units per person
2024 0.0014 units per person
2025 0.0005 units per person -64.7%

Averages by decade

DecadeAverage LowestHighest Years
1970s 0.0005 units per person 0.0001 units per person 0.0009 units per person 6
1980s 0.0002 units per person 0 units per person 0.0007 units per person 10
1990s 0 units per person 0 units per person 0 units per person 9
2000s 0 units per person 0 units per person 0.0003 units per person 6
2010s 0.0003 units per person 0 units per person 0.0016 units per person 5
2020s 0.0004 units per person 0 units per person 0.0014 units per person 5

Countries ranked near Samoa

  1. 8 Norway 0.0007 units per person compare
  2. 9 New Caledonia 0.0006 units per person compare
  3. 10 New Zealand 0.0005 units per person compare
  4. 12 Switzerland 0.0005 units per person compare
  5. 13 Seychelles 0.0004 units per person compare
  6. 14 Czechia 0.0003 units per person compare

See the full ranking of 205 places →

More health data for Samoa

All data for Samoa →

Frequently asked questions

What is pertussis - number of reported cases, per capita in Samoa?
Pertussis - number of reported cases, per capita in Samoa was 0.0005 units per person in 2025, according to Statizoid (derived).
What is the highest pertussis - number of reported cases, per capita recorded in Samoa?
The highest recorded value was 0.0016 units per person in 2018.
What is the lowest pertussis - number of reported cases, per capita recorded in Samoa?
The lowest recorded value was 0 units per person in 1983.
How does Samoa rank for pertussis - number of reported cases, per capita?
Samoa ranks 11th out of 204 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, per capita. Statizoid updates them automatically from the source API.

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Pertussis - number of reported cases, per capita in Samoa. Statizoid, drawing on Statizoid (derived). Retrieved 01 September 2026, from https://health.statizoid.com/stat/pertussis-number-of-reported-cases-per-capita/samoa/

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How this figure is calculated

Pertussis - number of reported cases divided by Population, total, matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.

Pertussis - number of reported cases ÷ Population, total

Computed from

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

Indicator
Pertussis - number of reported cases, per capita
Unit
units per person
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
205 places, 8,445 data points, 1974–2025
Last refreshed

Pertussis - number of reported cases divided by Population, total, matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.