Diphtheria - number of reported cases, annual growth rate in South Africa
South Africa: Diphtheria - number of reported cases, annual growth rate was 330.14 % change on previous year in 2025. ◆ Volatile
Diphtheria - number of reported cases, annual growth rate in South Africa, 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 South Africa is 330.14 % change on previous year, measured in 2025. That is the highest value across all 30 years on record.
The figure is up 0.2% on the previous year and up 430.1% over ten years.
Over the whole period, diphtheria - number of reported cases, annual growth rate in South Africa peaked at 330.14 % change on previous year in 2025 and was at its lowest, -100 % change on previous year, in 1999.
That places South Africa 4th out of 140 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, annual growth rate in South Africa, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1975 | -3.18 % change on previous year | — |
| 1976 | -27.93 % change on previous year | +777.9% |
| 1977 | -18.52 % change on previous year | -33.7% |
| 1978 | -29.02 % change on previous year | +56.7% |
| 1979 | -55.17 % change on previous year | +90.1% |
| 1980 | -37.36 % change on previous year | -32.3% |
| 1981 | 10.53 % change on previous year | -128.2% |
| 1982 | -57.14 % change on previous year | -642.9% |
| 1983 | 7.41 % change on previous year | -113.0% |
| 1984 | 51.72 % change on previous year | +598.3% |
| 1985 | 4.55 % change on previous year | -91.2% |
| 1986 | -58.7 % change on previous year | -1391.3% |
| 1987 | 47.37 % change on previous year | -180.7% |
| 1988 | -32.14 % change on previous year | -167.9% |
| 1989 | -36.84 % change on previous year | +14.6% |
| 1990 | 183.33 % change on previous year | -597.6% |
| 1991 | -64.71 % change on previous year | -135.3% |
| 1992 | -75 % change on previous year | +15.9% |
| 1993 | 66.67 % change on previous year | -188.9% |
| 1998 | 33.33 % change on previous year | -50.0% |
| 1999 | -100 % change on previous year | -400.0% |
| 2001 | -100 % change on previous year | -0.0% |
| 2003 | 200 % change on previous year | -300.0% |
| 2004 | -100 % change on previous year | -150.0% |
| 2016 | -100 % change on previous year | -0.0% |
| 2018 | 0 % change on previous year | -100.0% |
| 2019 | -100 % change on previous year | — |
| 2021 | -100 % change on previous year | -0.0% |
| 2024 | 329.41 % change on previous year | -429.4% |
| 2025 | 330.14 % change on previous year | +0.2% |
South Africa compared with similar countries
- South Africa's 330.14 % change on previous year is above the median for upper middle income countries, which is -100 % change on previous year. (42 countries reporting)
- South Africa's 330.14 % change on previous year is above the median for Sub-Saharan Africa, which is -100 % change on previous year. (34 countries reporting)
Biggest year-on-year movements
Years where Diphtheria - number of reported cases, annual growth rate in South Africa changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1986 | -1391.3% | 4.55 % change on previous year | -58.7 % change on previous year |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | -26.76 % change on previous year | -55.17 % change on previous year | -3.18 % change on previous year | 5 |
| 1980s | -10.06 % change on previous year | -58.7 % change on previous year | 51.72 % change on previous year | 10 |
| 1990s | 7.27 % change on previous year | -100 % change on previous year | 183.33 % change on previous year | 6 |
| 2000s | 0 % change on previous year | -100 % change on previous year | 200 % change on previous year | 3 |
| 2010s | -66.67 % change on previous year | -100 % change on previous year | 0 % change on previous year | 3 |
| 2020s | 186.52 % change on previous year | -100 % change on previous year | 330.14 % change on previous year | 3 |
Countries ranked near South Africa
- 1 Yemen 661.58 % change on previous year compare
- 2 Algeria 520 % change on previous year compare
- 3 Somalia 332.22 % change on previous year compare
- 5 Benin 321.43 % change on previous year compare
- 6 Switzerland 300 % change on previous year compare
- 7 Democratic Republic of Congo 281.25 % change on previous year compare
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)
- Un projection of annual infant deaths 3,333 (2100)
- Neonatal tetanus - number of reported cases, gaps filled 0 (2025)
- Population ages 00-04, female, annual growth rate -0.5504 % change on previous year (2025)
- Population ages 00-04, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 00-04, female, per capita 0.045 units per person (2025)
- Population ages 00-04, male, annual growth rate 0.0003 % change on previous year (2025)
- Population ages 00-04, male, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 00-04, male, per capita 0.046 units per person (2025)
Frequently asked questions
- What is diphtheria - number of reported cases, annual growth rate in South Africa?
- Diphtheria - number of reported cases, annual growth rate in South Africa was 330.14 % change on previous year in 2025, according to Statizoid (derived).
- What is the highest diphtheria - number of reported cases, annual growth rate recorded in South Africa?
- The highest recorded value was 330.14 % change on previous year in 2025.
- What is the lowest diphtheria - number of reported cases, annual growth rate recorded in South Africa?
- The lowest recorded value was -100 % change on previous year in 1999.
- How does South Africa rank for diphtheria - number of reported cases, annual growth rate?
- South Africa ranks 4th out of 140 countries with data for 2025.
- Is diphtheria - number of reported cases, annual growth rate rising or falling in South Africa?
- Over the last ten years it is up 430.1%. 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, annual growth rate. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 30 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.