Diphtheria - number of reported cases, gaps filled in South Africa
South Africa: Diphtheria - number of reported cases, gaps filled was 314 in 2025. ◆ Volatile
Diphtheria - number of reported cases, gaps filled in South Africa, 1974–2025
Source: Statizoid (derived).
Analysis
The most recent figure for diphtheria - number of reported cases, gaps filled in South Africa is 314, measured in 2025.
That represents a change of up 330.1% on the previous year and up 1,993.3% over ten years.
Over the whole period, diphtheria - number of reported cases, gaps filled in South Africa peaked at 503 in 1974 and was at its lowest, 0, in 1996.
That places South Africa 10th out of 210 countries with data for 2025, putting it in the top 10%.
The series is highly variable year to year, so single readings are best treated with caution.
Diphtheria - number of reported cases, gaps filled in South Africa, year by year
| Year | Value | Change |
|---|---|---|
| 1974 | 503 | — |
| 1975 | 487 | -3.2% |
| 1976 | 351 | -27.9% |
| 1977 | 286 | -18.5% |
| 1978 | 203 | -29.0% |
| 1979 | 91 | -55.2% |
| 1980 | 57 | -37.4% |
| 1981 | 63 | +10.5% |
| 1982 | 27 | -57.1% |
| 1983 | 29 | +7.4% |
| 1984 | 44 | +51.7% |
| 1985 | 46 | +4.5% |
| 1986 | 19 | -58.7% |
| 1987 | 28 | +47.4% |
| 1988 | 19 | -32.1% |
| 1989 | 12 | -36.8% |
| 1990 | 34 | +183.3% |
| 1991 | 12 | -64.7% |
| 1992 | 3 | -75.0% |
| 1993 | 5 | +66.7% |
| 1994 | 3.33 | -33.3% |
| 1995 | 1.67 | -50.0% |
| 1996 | 0 | -100.0% |
| 1997 | 3 | — |
| 1998 | 4 | +33.3% |
| 1999 | 0 | -100.0% |
| 2000 | 2 | — |
| 2001 | 0 | -100.0% |
| 2002 | 1 | — |
| 2003 | 3 | +200.0% |
| 2004 | 0 | -100.0% |
| 2009 | 1 | — |
| 2010 | 0.5 | -50.0% |
| 2011 | 0 | -100.0% |
| 2012 | 3.75 | — |
| 2013 | 7.5 | +100.0% |
| 2014 | 11.25 | +50.0% |
| 2015 | 15 | +33.3% |
| 2016 | 0 | -100.0% |
| 2017 | 4 | — |
| 2018 | 4 | +0.0% |
| 2019 | 0 | -100.0% |
| 2020 | 9 | — |
| 2021 | 0 | -100.0% |
| 2022 | 8.5 | — |
| 2023 | 17 | +100.0% |
| 2024 | 73 | +329.4% |
| 2025 | 314 | +330.1% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 320.17 | 91 | 503 | 6 |
| 1980s | 34.4 | 12 | 63 | 10 |
| 1990s | 6.6 | 0 | 34 | 10 |
| 2000s | 1.17 | 0 | 3 | 6 |
| 2010s | 4.6 | 0 | 15 | 10 |
| 2020s | 70.25 | 0 | 314 | 6 |
Countries ranked near South Africa
More health data for South Africa
- Un projection of annual infant deaths, annual growth rate -2.2 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate -0.1386 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 1,152 deaths per 1,000 people (2090)
- Number of infants who die before age 1 3,333 deaths (2100)
- Population ages 75-79, female, annual growth rate 7.34 % change on previous year (2025)
- Population ages 75-79, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 75-79, female, per capita 0.0067 units per person (2025)
- Population ages 75-79, male, annual growth rate 8.95 % change on previous year (2025)
- Population ages 75-79, male, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 75-79, male, per capita 0.0039 units per person (2025)
Frequently asked questions
- What is diphtheria - number of reported cases, gaps filled in South Africa?
- Diphtheria - number of reported cases, gaps filled in South Africa was 314 in 2025, according to Statizoid (derived).
- What is the highest diphtheria - number of reported cases, gaps filled recorded in South Africa?
- The highest recorded value was 503 in 1974.
- What is the lowest diphtheria - number of reported cases, gaps filled recorded in South Africa?
- The lowest recorded value was 0 in 1996.
- How does South Africa rank for diphtheria - number of reported cases, gaps filled?
- South Africa ranks 10th out of 210 countries with data for 2025.
- Is diphtheria - number of reported cases, gaps filled rising or falling in South Africa?
- Over the last ten years it is up 1,993.3%. The long-run trend across the full record is volatile.
- Where does this South Africa 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 — 48 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.