Diphtheria - number of reported cases, annual growth rate in World
World: Diphtheria - number of reported cases, annual growth rate was 20.12 % change on previous year in 2025. ◆ Volatile
Diphtheria - number of reported cases, annual growth rate in World, 1981–2025
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
World recorded 20.12 % change on previous year for diphtheria - number of reported cases, annual growth rate in 2025.
The figure is up 1,265.9% on the previous year and up 148.3% over ten years.
Over the whole period, diphtheria - number of reported cases, annual growth rate in World peaked at 147.15 % change on previous year in 2023 and was at its lowest, -55.91 % 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 World, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1981 | -23.74 % change on previous year | — |
| 1982 | -18.97 % change on previous year | -20.1% |
| 1983 | -17.06 % change on previous year | -10.1% |
| 1984 | -9.16 % change on previous year | -46.3% |
| 1985 | -6.41 % change on previous year | -30.0% |
| 1986 | -31.19 % change on previous year | +386.5% |
| 1987 | -4.73 % change on previous year | -84.8% |
| 1988 | 13.59 % change on previous year | -387.3% |
| 1989 | -5.54 % change on previous year | -140.8% |
| 1990 | -25.68 % change on previous year | +363.3% |
| 1991 | 11.77 % change on previous year | -145.8% |
| 1992 | -15.71 % change on previous year | -233.5% |
| 1993 | 49.83 % change on previous year | -417.2% |
| 1994 | 75.46 % change on previous year | +51.4% |
| 1995 | 3.92 % change on previous year | -94.8% |
| 1996 | -49.75 % change on previous year | -1369.0% |
| 1997 | -48.41 % change on previous year | -2.7% |
| 1998 | -49.61 % change on previous year | +2.5% |
| 1999 | -35.36 % change on previous year | -28.7% |
| 2000 | 141.68 % change on previous year | -500.7% |
| 2001 | -7.74 % change on previous year | -105.5% |
| 2002 | -15.76 % change on previous year | +103.5% |
| 2003 | -20.82 % change on previous year | +32.1% |
| 2004 | 40.75 % change on previous year | -295.7% |
| 2005 | -19.19 % change on previous year | -147.1% |
| 2006 | -46.75 % change on previous year | +143.6% |
| 2007 | 7.13 % change on previous year | -115.3% |
| 2008 | 7.24 % change on previous year | +1.5% |
| 2009 | -12.64 % change on previous year | -274.6% |
| 2010 | 5.84 % change on previous year | -146.2% |
| 2011 | 22.22 % change on previous year | +280.5% |
| 2012 | -20.19 % change on previous year | -190.9% |
| 2013 | 4.23 % change on previous year | -121.0% |
| 2014 | 66.11 % change on previous year | +1462.3% |
| 2015 | -41.66 % change on previous year | -163.0% |
| 2016 | 56.6 % change on previous year | -235.9% |
| 2017 | 24.18 % change on previous year | -57.3% |
| 2018 | 91.76 % change on previous year | +279.5% |
| 2019 | 35.94 % change on previous year | -60.8% |
| 2020 | -55.91 % change on previous year | -255.5% |
| 2021 | -14.58 % change on previous year | -73.9% |
| 2022 | 15.8 % change on previous year | -208.4% |
| 2023 | 147.15 % change on previous year | +831.4% |
| 2024 | 1.47 % change on previous year | -99.0% |
| 2025 | 20.12 % change on previous year | +1265.9% |
Biggest year-on-year movements
Years where Diphtheria - number of reported cases, annual growth rate in World 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 |
|---|---|---|---|
| 2014 | +1462.3% | 4.23 % change on previous year | 66.11 % change on previous year |
| 1996 | -1369.0% | 3.92 % change on previous year | -49.75 % change on previous year |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | -11.47 % change on previous year | -31.19 % change on previous year | 13.59 % change on previous year | 9 |
| 1990s | -8.35 % change on previous year | -49.75 % change on previous year | 75.46 % change on previous year | 10 |
| 2000s | 7.39 % change on previous year | -46.75 % change on previous year | 141.68 % change on previous year | 10 |
| 2010s | 24.5 % change on previous year | -41.66 % change on previous year | 91.76 % change on previous year | 10 |
| 2020s | 19.01 % change on previous year | -55.91 % change on previous year | 147.15 % change on previous year | 6 |
Countries ranked near World
- 2 Algeria 520 % change on previous year compare
- 3 Somalia 332.22 % change on previous year compare
- 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 Democratic Republic of Congo 281.25 % change on previous year compare
- 8 Gabon 233.33 % change on previous year compare
More health data for World
- Neonatal tetanus - number of reported cases, gaps filled 2,458 (2025)
- Population ages 00-04, female, annual growth rate -0.47 % 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 0.0381 units per person (2025)
- Population ages 00-04, male, annual growth rate -0.6031 % 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 0.0401 units per person (2025)
- Population ages 05-09, female, annual growth rate -0.915 % change on previous year (2025)
- Population ages 05-09, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 05-09, female, per capita 0.04 units per person (2025)
Frequently asked questions
- What is diphtheria - number of reported cases, annual growth rate in World?
- Diphtheria - number of reported cases, annual growth rate in World was 20.12 % change on previous year in 2025, according to Statizoid (derived).
- What is the highest diphtheria - number of reported cases, annual growth rate recorded in World?
- The highest recorded value was 147.15 % change on previous year in 2023.
- What is the lowest diphtheria - number of reported cases, annual growth rate recorded in World?
- The lowest recorded value was -55.91 % change on previous year in 2020.
- How does World rank for diphtheria - number of reported cases, annual growth rate?
- World ranks 5th out of 11 groups with data for 2025.
- Is diphtheria - number of reported cases, annual growth rate rising or falling in World?
- Over the last ten years it is up 148.3%. The long-run trend across the full record is volatile.
- Where does this World 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 — 45 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.