Diphtheria - number of reported cases, annual growth rate in New Zealand
New Zealand: Diphtheria - number of reported cases, annual growth rate was 100 % change on previous year in 2025. ◆ Volatile
Diphtheria - number of reported cases, annual growth rate in New Zealand, 1975–2025
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
The most recent figure for diphtheria - number of reported cases, annual growth rate in New Zealand is 100 % change on previous year, measured in 2025.
The figure is up 200.0% over five years.
Over the whole period, diphtheria - number of reported cases, annual growth rate in New Zealand peaked at 500 % change on previous year in 1976 and was at its lowest, -100 % change on previous year, in 1981.
New Zealand ranks 17th of 140 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, annual growth rate in New Zealand, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1975 | -95.24 % change on previous year | — |
| 1976 | 500 % change on previous year | -625.0% |
| 1977 | -83.33 % change on previous year | -116.7% |
| 1978 | 0 % change on previous year | -100.0% |
| 1979 | 0 % change on previous year | — |
| 1980 | 0 % change on previous year | — |
| 1981 | -100 % change on previous year | — |
| 1983 | 300 % change on previous year | -400.0% |
| 1984 | -50 % change on previous year | -116.7% |
| 1985 | -100 % change on previous year | +100.0% |
| 1987 | 100 % change on previous year | -200.0% |
| 1988 | -100 % change on previous year | -200.0% |
| 1999 | -100 % change on previous year | -0.0% |
| 2003 | -100 % change on previous year | -0.0% |
| 2012 | -100 % change on previous year | -0.0% |
| 2015 | 0 % change on previous year | -100.0% |
| 2016 | -50 % change on previous year | — |
| 2017 | 0 % change on previous year | -100.0% |
| 2018 | -100 % change on previous year | — |
| 2020 | -100 % change on previous year | -0.0% |
| 2025 | 100 % change on previous year | -200.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 64.29 % change on previous year | -95.24 % change on previous year | 500 % change on previous year | 5 |
| 1980s | 7.14 % change on previous year | -100 % change on previous year | 300 % change on previous year | 7 |
| 1990s | -100 % change on previous year | -100 % change on previous year | -100 % change on previous year | 1 |
| 2000s | -100 % change on previous year | -100 % change on previous year | -100 % change on previous year | 1 |
| 2010s | -50 % change on previous year | -100 % change on previous year | 0 % change on previous year | 5 |
| 2020s | 0 % change on previous year | -100 % change on previous year | 100 % change on previous year | 2 |
Countries ranked near New Zealand
- 14 Canada 150 % change on previous year compare
- 14 Thailand 150 % change on previous year compare
- 16 Netherlands 133.33 % change on previous year compare
- 17 Mauritania 100 % change on previous year compare
- 17 Slovakia 100 % change on previous year compare
- 20 Malaysia 75 % change on previous year compare
More health data for New Zealand
- Un projection of annual infant deaths, annual growth rate -2.94 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate -0.4815 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 1,116 deaths per 1,000 people (2090)
- Number of infants who die before age 1 33 deaths (2100)
- Population ages 30-34, female, annual growth rate -2.32 % change on previous year (2025)
- Population ages 30-34, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 30-34, female, per capita 0.0359 units per person (2025)
- Population ages 30-34, male, annual growth rate -1.05 % change on previous year (2025)
- Population ages 30-34, male, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 30-34, male, per capita 0.0373 units per person (2025)
Frequently asked questions
- What is diphtheria - number of reported cases, annual growth rate in New Zealand?
- Diphtheria - number of reported cases, annual growth rate in New Zealand was 100 % change on previous year in 2025, according to Statizoid (derived).
- What is the highest diphtheria - number of reported cases, annual growth rate recorded in New Zealand?
- The highest recorded value was 500 % change on previous year in 1976.
- What is the lowest diphtheria - number of reported cases, annual growth rate recorded in New Zealand?
- The lowest recorded value was -100 % change on previous year in 1981.
- How does New Zealand rank for diphtheria - number of reported cases, annual growth rate?
- New Zealand ranks 17th out of 140 countries with data for 2025.
- Where does this New Zealand data come from?
- The figures come from Statizoid (derived), published as part of Diphtheria - number of reported cases, annual growth rate. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 21 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
The year-on-year percentage change in Diphtheria - number of reported cases. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.
Computed from
- Diphtheria - 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
The year-on-year percentage change in Diphtheria - number of reported cases. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.