Diphtheria - number of reported cases, gaps filled in Upper-middle income (World Bank)
Upper-middle income (World Bank): Diphtheria - number of reported cases, gaps filled was 1,556 in 2025. ◆ Volatile
Diphtheria - number of reported cases, gaps filled in Upper-middle income (World Bank), 1974–2025
Source: Statizoid (derived).
Analysis
In 2025, diphtheria - number of reported cases, gaps filled in Upper-middle income (World Bank) stood at 1,556.
That represents a change of up 10.9% on the previous year and up 1,327.5% over ten years.
Over the whole period, diphtheria - number of reported cases, gaps filled in Upper-middle income (World Bank) peaked at 53,239 in 1975 and was at its lowest, 109, in 2015.
The series is highly variable year to year, so single readings are best treated with caution.
Diphtheria - number of reported cases, gaps filled in Upper-middle income (World Bank), year by year
| Year | Value | Change |
|---|---|---|
| 1974 | 40,771 | — |
| 1975 | 53,239 | +30.6% |
| 1976 | 41,668 | -21.7% |
| 1977 | 50,067 | +20.2% |
| 1978 | 39,135 | -21.8% |
| 1979 | 32,151 | -17.8% |
| 1980 | 25,874 | -19.5% |
| 1981 | 22,857 | -11.7% |
| 1982 | 21,708 | -5.0% |
| 1983 | 20,714 | -4.6% |
| 1984 | 15,761 | -23.9% |
| 1985 | 12,095 | -23.3% |
| 1986 | 8,672 | -28.3% |
| 1987 | 6,983 | -19.5% |
| 1988 | 6,725 | -3.7% |
| 1989 | 5,200 | -22.7% |
| 1990 | 5,560 | +6.9% |
| 1991 | 5,687 | +2.3% |
| 1992 | 4,767 | -16.2% |
| 1993 | 5,110 | +7.2% |
| 1994 | 8,092 | +58.4% |
| 1995 | 10,228 | +26.4% |
| 1996 | 6,105 | -40.3% |
| 1997 | 7,275 | +19.2% |
| 1998 | 1,880 | -74.2% |
| 1999 | 1,204 | -36.0% |
| 2000 | 942 | -21.8% |
| 2001 | 760 | -19.3% |
| 2002 | 716 | -5.8% |
| 2003 | 947 | +32.3% |
| 2004 | 677 | -28.5% |
| 2005 | 874 | +29.1% |
| 2006 | 667 | -23.7% |
| 2007 | 407 | -39.0% |
| 2008 | 549 | +34.9% |
| 2009 | 426 | -22.4% |
| 2010 | 789 | +85.2% |
| 2011 | 1,001 | +26.9% |
| 2012 | 1,426 | +42.5% |
| 2013 | 1,027 | -28.0% |
| 2014 | 492 | -52.1% |
| 2015 | 109 | -77.8% |
| 2016 | 466 | +327.5% |
| 2017 | 1,094 | +134.8% |
| 2018 | 1,357 | +24.0% |
| 2019 | 846 | -37.7% |
| 2020 | 687 | -18.8% |
| 2021 | 316 | -54.0% |
| 2022 | 655 | +107.3% |
| 2023 | 1,262 | +92.7% |
| 2024 | 1,403 | +11.2% |
| 2025 | 1,556 | +10.9% |
Biggest year-on-year movements
Years where Diphtheria - number of reported cases, gaps filled in Upper-middle income (World Bank) 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 |
|---|---|---|---|
| 2016 | +327.5% | 109 | 466 |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 42,838 | 32,151 | 53,239 | 6 |
| 1980s | 14,659 | 5,200 | 25,874 | 10 |
| 1990s | 5,591 | 1,204 | 10,228 | 10 |
| 2000s | 696.5 | 407 | 947 | 10 |
| 2010s | 860.7 | 109 | 1,426 | 10 |
| 2020s | 979.83 | 316 | 1,556 | 6 |
Countries ranked near Upper-middle income (World Bank)
More health data for Upper-middle income (World Bank)
- Pertussis - number of reported cases, gaps filled 63,803 (2025)
- Measles - number of reported cases, gaps filled 91,627 (2025)
- Neonatal tetanus - number of reported cases, gaps filled 212 (2025)
- Total tetanus - number of reported cases, gaps filled 5,773 (2025)
- Number of infant deaths, annual growth rate -4.78 % change on previous year (2024)
- Number of neonatal deaths, annual growth rate -4.24 % change on previous year (2024)
- Number of under-five deaths, annual growth rate -6.19 % change on previous year (2024)
- Measles - number of reported cases, annual growth rate -27.52 % change on previous year (2025)
- Pertussis - number of reported cases, annual growth rate -87.69 % change on previous year (2025)
- Total tetanus - number of reported cases, annual growth rate 10.32 % change on previous year (2025)
Frequently asked questions
- What is diphtheria - number of reported cases, gaps filled in Upper-middle income (World Bank)?
- Diphtheria - number of reported cases, gaps filled in Upper-middle income (World Bank) was 1,556 in 2025, according to Statizoid (derived).
- What is the highest diphtheria - number of reported cases, gaps filled recorded in Upper-middle income (World Bank)?
- The highest recorded value was 53,239 in 1975.
- What is the lowest diphtheria - number of reported cases, gaps filled recorded in Upper-middle income (World Bank)?
- The lowest recorded value was 109 in 2015.
- How does Upper-middle income (World Bank) rank for diphtheria - number of reported cases, gaps filled?
- Upper-middle income (World Bank) ranks 7th out of 11 groups with data for 2025.
- Is diphtheria - number of reported cases, gaps filled rising or falling in Upper-middle income (World Bank)?
- Over the last ten years it is up 1,327.5%. The long-run trend across the full record is volatile.
- Where does this Upper-middle income (World Bank) 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.