Diphtheria - number of reported cases, gaps filled in Australia
Australia: Diphtheria - number of reported cases, gaps filled was 26 in 2025. ◆ Volatile
Diphtheria - number of reported cases, gaps filled in Australia, 1974–2025
Source: Statizoid (derived).
Analysis
The most recent figure for diphtheria - number of reported cases, gaps filled in Australia is 26, measured in 2025.
Compared with earlier readings it is up 188.9% on the previous year and up 1,200.0% over ten years.
Over the whole period, diphtheria - number of reported cases, gaps filled in Australia peaked at 61 in 1988 and was at its lowest, 0, in 1979.
Australia ranks 26th of 210 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, gaps filled in Australia, year by year
| Year | Value | Change |
|---|---|---|
| 1974 | 32 | — |
| 1975 | 22 | -31.2% |
| 1976 | 3 | -86.4% |
| 1977 | 7 | +133.3% |
| 1978 | 3 | -57.1% |
| 1979 | 0 | -100.0% |
| 1980 | 1 | — |
| 1981 | 18 | +1700.0% |
| 1982 | 2 | -88.9% |
| 1983 | 1 | -50.0% |
| 1984 | 0 | -100.0% |
| 1985 | 17 | — |
| 1986 | 44 | +158.8% |
| 1987 | 32 | -27.3% |
| 1988 | 61 | +90.6% |
| 1989 | 1 | -98.4% |
| 1990 | 7 | +600.0% |
| 1991 | 8 | +14.3% |
| 1992 | 14 | +75.0% |
| 1993 | 39 | +178.6% |
| 1994 | 19.5 | -50.0% |
| 1995 | 0 | -100.0% |
| 1996 | 0 | — |
| 1997 | 0 | — |
| 1998 | 0 | — |
| 1999 | 0 | — |
| 2000 | 0 | — |
| 2001 | 1 | — |
| 2002 | 0 | -100.0% |
| 2003 | 0 | — |
| 2004 | 0 | — |
| 2005 | 0 | — |
| 2006 | 0 | — |
| 2007 | 0 | — |
| 2008 | 0 | — |
| 2009 | 0 | — |
| 2010 | 0 | — |
| 2011 | 4 | — |
| 2012 | 0 | -100.0% |
| 2013 | 1 | — |
| 2014 | 2 | +100.0% |
| 2015 | 2 | +0.0% |
| 2016 | 8 | +300.0% |
| 2017 | 8 | +0.0% |
| 2018 | 11 | +37.5% |
| 2019 | 7 | -36.4% |
| 2020 | 9 | +28.6% |
| 2021 | 6 | -33.3% |
| 2022 | 31 | +416.7% |
| 2023 | 12 | -61.3% |
| 2024 | 9 | -25.0% |
| 2025 | 26 | +188.9% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 11.17 | 0 | 32 | 6 |
| 1980s | 17.7 | 0 | 61 | 10 |
| 1990s | 8.75 | 0 | 39 | 10 |
| 2000s | 0.1 | 0 | 1 | 10 |
| 2010s | 4.3 | 0 | 11 | 10 |
| 2020s | 15.5 | 6 | 31 | 6 |
Countries ranked near Australia
More health data for Australia
- Un projection of annual infant deaths, annual growth rate -1.83 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate -0.9072 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 906.6 deaths per 1,000 people (2090)
- Number of infants who die before age 1 215 deaths (2100)
- Total tetanus - number of reported cases, gaps filled 1 (2025)
- Total tetanus - number of reported cases, per capita 0 units per person (2025)
- Diphtheria - number of reported cases, per capita 0 units per person (2025)
- Measles - number of reported cases, gaps filled 181 (2025)
- Measles - number of reported cases, per unit of GDP 0 units per US$ of GDP (2025)
- Measles - number of reported cases, per capita 0 units per person (2025)
Frequently asked questions
- What is diphtheria - number of reported cases, gaps filled in Australia?
- Diphtheria - number of reported cases, gaps filled in Australia was 26 in 2025, according to Statizoid (derived).
- What is the highest diphtheria - number of reported cases, gaps filled recorded in Australia?
- The highest recorded value was 61 in 1988.
- What is the lowest diphtheria - number of reported cases, gaps filled recorded in Australia?
- The lowest recorded value was 0 in 1979.
- How does Australia rank for diphtheria - number of reported cases, gaps filled?
- Australia ranks 26th out of 210 countries with data for 2025.
- Is diphtheria - number of reported cases, gaps filled rising or falling in Australia?
- Over the last ten years it is up 1,200.0%. The long-run trend across the full record is volatile.
- Where does this Australia data come from?
- The figures come from Statizoid (derived), published as part of Diphtheria - number of reported cases, gaps filled. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 52 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
Diphtheria - number of reported cases with 613 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.
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
Diphtheria - number of reported cases with 613 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.