Diphtheria - number of reported cases, per square kilometre in New Zealand

New Zealand: Diphtheria - number of reported cases, per square kilometre was 0 units per square kilometre in 2022. ◆ Volatile

Latest (2022)
0 units per square kilometre
World rank
42nd
of 204 countries
All-time high
0.0001 units per square kilometre
in 1974
All-time low
0 units per square kilometre
in 1981
Years of data
47
1974–2022

Diphtheria - number of reported cases, per square kilometre in New Zealand, 1974–2022

00000197419982022

Source: Statizoid (derived). Measured in units per square kilometre.

Analysis

New Zealand recorded 0 units per square kilometre for diphtheria - number of reported cases, per square kilometre in 2022.

That represents a change of up 100.0% over five years.

Over the whole period, diphtheria - number of reported cases, per square kilometre in New Zealand peaked at 0.0001 units per square kilometre in 1974 and was at its lowest, 0 units per square kilometre, in 1981.

New Zealand ranks 42nd of 204 countries on this measure, in the top quarter.

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

Diphtheria - number of reported cases, per square kilometre in New Zealand, year by year

Annual values for Diphtheria - number of reported cases, per square kilometre in New Zealand, 1974 to 2022.
Year units per square kilometre Change
1974 0.0001 units per square kilometre
1975 0 units per square kilometre -95.2%
1976 0 units per square kilometre +500.0%
1977 0 units per square kilometre -83.3%
1978 0 units per square kilometre +0.0%
1979 0 units per square kilometre +0.0%
1980 0 units per square kilometre +0.0%
1981 0 units per square kilometre -100.0%
1982 0 units per square kilometre
1983 0 units per square kilometre +300.0%
1984 0 units per square kilometre -50.0%
1985 0 units per square kilometre -100.0%
1986 0 units per square kilometre
1987 0 units per square kilometre +100.0%
1988 0 units per square kilometre -100.0%
1989 0 units per square kilometre
1990 0 units per square kilometre
1991 0 units per square kilometre
1992 0 units per square kilometre
1993 0 units per square kilometre
1994 0 units per square kilometre
1995 0 units per square kilometre
1997 0 units per square kilometre
1998 0 units per square kilometre
1999 0 units per square kilometre -100.0%
2000 0 units per square kilometre
2001 0 units per square kilometre
2002 0 units per square kilometre
2003 0 units per square kilometre -100.0%
2004 0 units per square kilometre
2005 0 units per square kilometre
2006 0 units per square kilometre
2007 0 units per square kilometre
2009 0 units per square kilometre
2010 0 units per square kilometre
2011 0.0001 units per square kilometre
2012 0 units per square kilometre -100.0%
2013 0 units per square kilometre
2014 0 units per square kilometre
2015 0 units per square kilometre +0.0%
2016 0 units per square kilometre -50.0%
2017 0 units per square kilometre +0.0%
2018 0 units per square kilometre -100.0%
2019 0 units per square kilometre
2020 0 units per square kilometre -100.0%
2021 0 units per square kilometre
2022 0 units per square kilometre

Averages by decade

DecadeAverage LowestHighest Years
1970s 0 units per square kilometre 0 units per square kilometre 0.0001 units per square kilometre 6
1980s 0 units per square kilometre 0 units per square kilometre 0 units per square kilometre 10
1990s 0 units per square kilometre 0 units per square kilometre 0 units per square kilometre 9
2000s 0 units per square kilometre 0 units per square kilometre 0 units per square kilometre 9
2010s 0 units per square kilometre 0 units per square kilometre 0.0001 units per square kilometre 10
2020s 0 units per square kilometre 0 units per square kilometre 0 units per square kilometre 3

Countries ranked near New Zealand

  1. 39 Norway 0 units per square kilometre compare
  2. 40 Italy 0 units per square kilometre compare
  3. 41 United Kingdom of Great Britain and Northern Ireland 0 units per square kilometre compare
  4. 43 Sudan 0 units per square kilometre compare
  5. 44 Sweden 0 units per square kilometre compare
  6. 45 Spain 0 units per square kilometre compare

See the full ranking of 205 places →

More health data for New Zealand

All data for New Zealand →

Frequently asked questions

What is diphtheria - number of reported cases, per square kilometre in New Zealand?
Diphtheria - number of reported cases, per square kilometre in New Zealand was 0 units per square kilometre in 2022, according to Statizoid (derived).
What is the highest diphtheria - number of reported cases, per square kilometre recorded in New Zealand?
The highest recorded value was 0.0001 units per square kilometre in 1974.
What is the lowest diphtheria - number of reported cases, per square kilometre recorded in New Zealand?
The lowest recorded value was 0 units per square kilometre in 1981.
How does New Zealand rank for diphtheria - number of reported cases, per square kilometre?
New Zealand ranks 42nd out of 204 countries with data for 2022.
Where does this New Zealand data come from?
The figures come from Statizoid (derived), published as part of Diphtheria - number of reported cases, per square kilometre. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 47 observations, free to reuse under Derived by Statizoid from the sources named on the page.

Share, cite or embed this page

Cite this page

Diphtheria - number of reported cases, per square kilometre in New Zealand. Statizoid, drawing on Statizoid (derived). Retrieved 07 September 2026, from https://health.statizoid.com/stat/diphtheria-number-of-reported-cases-per-square-kilometre/new-zealand/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under Derived by Statizoid from the sources named on the page; please keep the attribution.

<a href="https://health.statizoid.com/stat/diphtheria-number-of-reported-cases-per-square-kilometre/new-zealand/">Diphtheria - number of reported cases, per square kilometre in New Zealand</a> — Statizoid

How this figure is calculated

Diphtheria - number of reported cases divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.

Diphtheria - number of reported cases ÷ Land area (sq. km)

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
Diphtheria - number of reported cases, per square kilometre
Unit
units per square kilometre
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
205 places, 7,917 data points, 1974–2023
Last refreshed

Diphtheria - number of reported cases divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.