Pertussis - number of reported cases, annual growth rate in New Zealand

New Zealand: Pertussis - number of reported cases, annual growth rate was 53.2 % change on previous year in 2025. ◆ Volatile

Latest (2025)
53.2 % change on previous year
Change on year
up 191.5%
World rank
21st
of 191 countries
All-time high
583.66 % change on previous year
in 1999
All-time low
-85.82 % change on previous year
in 2020
Years of data
29
1991–2025

Pertussis - number of reported cases, annual growth rate in New Zealand, 1991–2025

02004006001991200820251991: 142.9 % change on previous year1992: -63.8 % change on previous year1993: -40 % change on previous year1994: -27.1 % change on previous year1995: -71.4 % change on previous year1998: -46.1 % change on previous year1999: 583.7 % change on previous year2000: 296.1 % change on previous year2001: 0 % change on previous year2002: -74.2 % change on previous year2003: -44.9 % change on previous year2004: 492.4 % change on previous year2005: -22 % change on previous year2006: -58.8 % change on previous year2007: -70.5 % change on previous year2010: -29.6 % change on previous year2011: 331.2 % change on previous year2012: 181 % change on previous year2013: -39.3 % change on previous year2014: -67.6 % change on previous year2015: 6.3 % change on previous year2016: -6.2 % change on previous year2017: 95.5 % change on previous year2018: 37.8 % change on previous year2019: -59.1 % change on previous year2020: -85.8 % change on previous year2021: -74.9 % change on previous year2022: -58.1 % change on previous year2025: 53.2 % change on previous year

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

Analysis

In 2025, pertussis - number of reported cases, annual growth rate in New Zealand stood at 53.2 % change on previous year.

The figure is up 191.5% on the previous year and up 747.4% over ten years.

Over the whole period, pertussis - number of reported cases, annual growth rate in New Zealand peaked at 583.66 % change on previous year in 1999 and was at its lowest, -85.82 % change on previous year, in 2020.

That places New Zealand 21st out of 191 countries with data for 2025, putting it in the top quarter.

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 New Zealand, year by year

Annual values for Pertussis - number of reported cases, annual growth rate in New Zealand, 1991 to 2025.
Year % change on previous year Change
1991 142.86 % change on previous year
1992 -63.8 % change on previous year -144.7%
1993 -40 % change on previous year -37.3%
1994 -27.08 % change on previous year -32.3%
1995 -71.43 % change on previous year +163.7%
1998 -46.13 % change on previous year -35.4%
1999 583.66 % change on previous year -1365.3%
2000 296.08 % change on previous year -49.3%
2001 0 % change on previous year -100.0%
2002 -74.22 % change on previous year
2003 -44.85 % change on previous year -39.6%
2004 492.36 % change on previous year -1197.8%
2005 -22.04 % change on previous year -104.5%
2006 -58.75 % change on previous year +166.6%
2007 -70.5 % change on previous year +20.0%
2010 -29.57 % change on previous year -58.1%
2011 331.17 % change on previous year -1219.8%
2012 181.02 % change on previous year -45.3%
2013 -39.34 % change on previous year -121.7%
2014 -67.64 % change on previous year +72.0%
2015 6.28 % change on previous year -109.3%
2016 -6.16 % change on previous year -198.2%
2017 95.53 % change on previous year -1649.7%
2018 37.75 % change on previous year -60.5%
2019 -59.15 % change on previous year -256.7%
2020 -85.82 % change on previous year +45.1%
2021 -74.85 % change on previous year -12.8%
2022 -58.14 % change on previous year -22.3%
2025 53.2 % change on previous year -191.5%

Averages by decade

DecadeAverage LowestHighest Years
1990s 68.3 % change on previous year -71.43 % change on previous year 583.66 % change on previous year 7
2000s 64.76 % change on previous year -74.22 % change on previous year 492.36 % change on previous year 8
2010s 44.99 % change on previous year -67.64 % change on previous year 331.17 % change on previous year 10
2020s -41.4 % change on previous year -85.82 % change on previous year 53.2 % change on previous year 4

Countries ranked near New Zealand

  1. 18 Colombia 61.11 % change on previous year compare
  2. 19 Madagascar 56.64 % change on previous year compare
  3. 20 Costa Rica 54.84 % change on previous year compare
  4. 22 Singapore 44.3 % change on previous year compare
  5. 23 United States of America 43.92 % change on previous year compare
  6. 24 Libya 28.7 % change on previous year compare

See the full ranking of 204 places →

More health data for New Zealand

All data for New Zealand →

Frequently asked questions

What is pertussis - number of reported cases, annual growth rate in New Zealand?
Pertussis - number of reported cases, annual growth rate in New Zealand was 53.2 % change on previous year in 2025, according to Statizoid (derived).
What is the highest pertussis - number of reported cases, annual growth rate recorded in New Zealand?
The highest recorded value was 583.66 % change on previous year in 1999.
What is the lowest pertussis - number of reported cases, annual growth rate recorded in New Zealand?
The lowest recorded value was -85.82 % change on previous year in 2020.
How does New Zealand rank for pertussis - number of reported cases, annual growth rate?
New Zealand ranks 21st out of 191 countries with data for 2025.
Is pertussis - number of reported cases, annual growth rate rising or falling in New Zealand?
Over the last ten years it is up 747.4%. The long-run trend across the full record is volatile.
Where does this New Zealand 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 New Zealand. Statizoid, drawing on Statizoid (derived). Retrieved 09 September 2026, from https://health.statizoid.com/stat/pertussis-number-of-reported-cases-annual-growth-rate/new-zealand/

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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.