Diphtheria - number of reported cases, annual growth rate in Lower-middle income (World Bank)
Lower-middle income (World Bank): Diphtheria - number of reported cases, annual growth rate was 16.9 % change on previous year in 2025. ◆ Volatile
Latest (2025)
16.9 % change on previous year
Change on year
up 341.1%
Rank
7th
of 11 groups
All-time high
397.79 % change on previous year
in 2023
All-time low
-69.48 % change on previous year
in 2020
Years of data
51
1975–2025
Diphtheria - number of reported cases, annual growth rate in Lower-middle income (World Bank), 1975–2025
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
In 2025, diphtheria - number of reported cases, annual growth rate in Lower-middle income (World Bank) stood at 16.9 % change on previous year.
The figure is up 341.1% on the previous year and up 127.1% over ten years.
Over the whole period, diphtheria - number of reported cases, annual growth rate in Lower-middle income (World Bank) peaked at 397.79 % change on previous year in 2023 and was at its lowest, -69.48 % change on previous year, in 2020.
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 Lower-middle income (World Bank), year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1975 | 19.38 % change on previous year | — |
| 1976 | -26.23 % change on previous year | -235.4% |
| 1977 | 8.27 % change on previous year | -131.5% |
| 1978 | 10.96 % change on previous year | +32.6% |
| 1979 | 24.24 % change on previous year | +121.1% |
| 1980 | 62.66 % change on previous year | +158.5% |
| 1981 | -30.87 % change on previous year | -149.3% |
| 1982 | -31.02 % change on previous year | +0.5% |
| 1983 | -30.51 % change on previous year | -1.6% |
| 1984 | 7.05 % change on previous year | -123.1% |
| 1985 | -4.49 % change on previous year | -163.7% |
| 1986 | -23.8 % change on previous year | +430.2% |
| 1987 | 4.2 % change on previous year | -117.6% |
| 1988 | 24.03 % change on previous year | +471.9% |
| 1989 | -15.1 % change on previous year | -162.9% |
| 1990 | -30.15 % change on previous year | +99.6% |
| 1991 | 27.45 % change on previous year | -191.0% |
| 1992 | -29.82 % change on previous year | -208.6% |
| 1993 | -7.68 % change on previous year | -74.2% |
| 1994 | -38.54 % change on previous year | +401.8% |
| 1995 | 56.38 % change on previous year | -246.3% |
| 1996 | -17.57 % change on previous year | -131.2% |
| 1997 | -61.85 % change on previous year | +252.1% |
| 1998 | 15.6 % change on previous year | -125.2% |
| 1999 | -40.51 % change on previous year | -359.7% |
| 2000 | 326.95 % change on previous year | -907.0% |
| 2001 | -6.72 % change on previous year | -102.1% |
| 2002 | -25.78 % change on previous year | +283.4% |
| 2003 | -19.76 % change on previous year | -23.4% |
| 2004 | 65.89 % change on previous year | -433.5% |
| 2005 | -23.71 % change on previous year | -136.0% |
| 2006 | -50.39 % change on previous year | +112.5% |
| 2007 | 20 % change on previous year | -139.7% |
| 2008 | 7.84 % change on previous year | -60.8% |
| 2009 | -9.44 % change on previous year | -220.4% |
| 2010 | -2.63 % change on previous year | -72.2% |
| 2011 | 15.54 % change on previous year | -692.0% |
| 2012 | -32.65 % change on previous year | -310.0% |
| 2013 | 18.92 % change on previous year | -158.0% |
| 2014 | 106.48 % change on previous year | +462.8% |
| 2015 | -62.36 % change on previous year | -158.6% |
| 2016 | 36.38 % change on previous year | -158.3% |
| 2017 | 102.83 % change on previous year | +182.6% |
| 2018 | 69.47 % change on previous year | -32.4% |
| 2019 | -1.17 % change on previous year | -101.7% |
| 2020 | -69.48 % change on previous year | +5848.0% |
| 2021 | -48.86 % change on previous year | -29.7% |
| 2022 | 93.45 % change on previous year | -291.3% |
| 2023 | 397.79 % change on previous year | +325.7% |
| 2024 | -7.01 % change on previous year | -101.8% |
| 2025 | 16.9 % change on previous year | -341.1% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 7.32 % change on previous year | -26.23 % change on previous year | 24.24 % change on previous year | 5 |
| 1980s | -3.79 % change on previous year | -31.02 % change on previous year | 62.66 % change on previous year | 10 |
| 1990s | -12.67 % change on previous year | -61.85 % change on previous year | 56.38 % change on previous year | 10 |
| 2000s | 28.49 % change on previous year | -50.39 % change on previous year | 326.95 % change on previous year | 10 |
| 2010s | 25.08 % change on previous year | -62.36 % change on previous year | 106.48 % change on previous year | 10 |
| 2020s | 63.8 % change on previous year | -69.48 % change on previous year | 397.79 % change on previous year | 6 |
Countries ranked near Lower-middle income (World Bank)
- 4 South Africa 330.14 % change on previous year compare
- 5 Benin 321.43 % change on previous year compare
- 6 Switzerland 300 % change on previous year compare
- 7 Congo, Democratic Republic of the 281.25 % change on previous year compare
- 8 Gabon 233.33 % change on previous year compare
- 9 Spain 200 % change on previous year compare
- 9 Cambodia 200 % change on previous year compare
- 9 Poland 200 % change on previous year compare
More health data for Lower-middle income (World Bank)
- Pertussis - number of reported cases, gaps filled 7,080 (2025)
- Total tetanus - number of reported cases, gaps filled 16,092 (2025)
- Diphtheria - number of reported cases, gaps filled 20,601 (2025)
- Measles - number of reported cases, gaps filled 97,321 (2025)
- Measles - number of reported cases, annual growth rate -8.83 % change on previous year (2025)
- Pertussis - number of reported cases, annual growth rate -40.79 % change on previous year (2025)
- Total tetanus - number of reported cases, annual growth rate 117.14 % change on previous year (2025)
- Diphtheria - number of reported cases 20,601 (2025)
- Total tetanus - number of reported cases 16,092 (2025)
- Pertussis - number of reported cases 7,080 (2025)
Frequently asked questions
- What is diphtheria - number of reported cases, annual growth rate in Lower-middle income (World Bank)?
- Diphtheria - number of reported cases, annual growth rate in Lower-middle income (World Bank) was 16.9 % change on previous year in 2025, according to Statizoid (derived).
- What is the highest diphtheria - number of reported cases, annual growth rate recorded in Lower-middle income (World Bank)?
- The highest recorded value was 397.79 % change on previous year in 2023.
- What is the lowest diphtheria - number of reported cases, annual growth rate recorded in Lower-middle income (World Bank)?
- The lowest recorded value was -69.48 % change on previous year in 2020.
- How does Lower-middle income (World Bank) rank for diphtheria - number of reported cases, annual growth rate?
- Lower-middle income (World Bank) ranks 7th out of 11 groups with data for 2025.
- Is diphtheria - number of reported cases, annual growth rate rising or falling in Lower-middle income (World Bank)?
- Over the last ten years it is up 127.1%. The long-run trend across the full record is volatile.
- Where does this Lower-middle income (World Bank) 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 — 51 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.