Pertussis - number of reported cases, annual growth rate in Bermuda

Bermuda: Pertussis - number of reported cases, annual growth rate was 100 % change on previous year in 2025. ◆ Volatile

Latest (2025)
100 % change on previous year
Change on year
unchanged
World rank
13th
of 191 countries
All-time high
300 % change on previous year
in 2020
All-time low
-100 % change on previous year
in 1977
Years of data
17
1976–2025

Pertussis - number of reported cases, annual growth rate in Bermuda, 1976–2025

-10001002003001976200020251976: -75.5 % change on previous year1977: -100 % change on previous year1979: 0 % change on previous year1980: -100 % change on previous year1983: -100 % change on previous year1987: -50 % change on previous year1988: -100 % change on previous year1990: -100 % change on previous year1995: -100 % change on previous year1998: -100 % change on previous year2018: 0 % change on previous year2019: 0 % change on previous year2020: 300 % change on previous year2021: -100 % change on previous year2023: 0 % change on previous year2024: 100 % change on previous year2025: 100 % change on previous year

Source: Statizoid (derived). Measured in % change on previous year.

Analysis

Bermuda recorded 100 % change on previous year for pertussis - number of reported cases, annual growth rate in 2025.

That represents a change of down 66.7% over five years.

Over the whole period, pertussis - number of reported cases, annual growth rate in Bermuda peaked at 300 % change on previous year in 2020 and was at its lowest, -100 % change on previous year, in 1977.

Bermuda ranks 13th of 191 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, annual growth rate in Bermuda, year by year

Annual values for Pertussis - number of reported cases, annual growth rate in Bermuda, 1976 to 2025.
Year % change on previous year Change
1976 -75.51 % change on previous year
1977 -100 % change on previous year +32.4%
1979 0 % change on previous year -100.0%
1980 -100 % change on previous year
1983 -100 % change on previous year -0.0%
1987 -50 % change on previous year -50.0%
1988 -100 % change on previous year +100.0%
1990 -100 % change on previous year -0.0%
1995 -100 % change on previous year -0.0%
1998 -100 % change on previous year -0.0%
2018 0 % change on previous year -100.0%
2019 0 % change on previous year
2020 300 % change on previous year
2021 -100 % change on previous year -133.3%
2023 0 % change on previous year -100.0%
2024 100 % change on previous year
2025 100 % change on previous year +0.0%

Averages by decade

DecadeAverage LowestHighest Years
1970s -58.5 % change on previous year -100 % change on previous year 0 % change on previous year 3
1980s -87.5 % change on previous year -100 % change on previous year -50 % change on previous year 4
1990s -100 % change on previous year -100 % change on previous year -100 % change on previous year 3
2010s 0 % change on previous year 0 % change on previous year 0 % change on previous year 2
2020s 80 % change on previous year -100 % change on previous year 300 % change on previous year 5

Countries ranked near Bermuda

  1. 10 Mauritania 173.37 % change on previous year compare
  2. 11 Uruguay 171.43 % change on previous year compare
  3. 12 Iran 126.85 % change on previous year compare
  4. 13 Namibia 100 % change on previous year compare
  5. 15 Peru 90.91 % change on previous year compare
  6. 16 Democratic Republic of Congo 86.63 % change on previous year compare

See the full ranking of 204 places →

More health data for Bermuda

All data for Bermuda →

Frequently asked questions

What is pertussis - number of reported cases, annual growth rate in Bermuda?
Pertussis - number of reported cases, annual growth rate in Bermuda was 100 % change on previous year in 2025, according to Statizoid (derived).
What is the highest pertussis - number of reported cases, annual growth rate recorded in Bermuda?
The highest recorded value was 300 % change on previous year in 2020.
What is the lowest pertussis - number of reported cases, annual growth rate recorded in Bermuda?
The lowest recorded value was -100 % change on previous year in 1977.
How does Bermuda rank for pertussis - number of reported cases, annual growth rate?
Bermuda ranks 13th out of 191 countries with data for 2025.
Where does this Bermuda 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.

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Pertussis - number of reported cases, annual growth rate in Bermuda. Statizoid, drawing on Statizoid (derived). Retrieved 02 September 2026, from https://health.statizoid.com/stat/pertussis-number-of-reported-cases-annual-growth-rate/bermuda/

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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

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, annual growth rate
Unit
% change on previous year
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
204 places, 6,283 data points, 1975–2025
Last refreshed

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.