Diphtheria - number of reported cases, gaps filled in Lower-middle income (World Bank)
Lower-middle income (World Bank): Diphtheria - number of reported cases, gaps filled was 20,601 in 2025. ◆ Volatile
Diphtheria - number of reported cases, gaps filled in Lower-middle income (World Bank), 1974–2025
Source: Statizoid (derived).
Analysis
In 2025, diphtheria - number of reported cases, gaps filled in Lower-middle income (World Bank) stood at 20,601.
Compared with earlier readings it is up 16.9% on the previous year and up 657.1% over ten years.
Over the whole period, diphtheria - number of reported cases, gaps filled in Lower-middle income (World Bank) peaked at 65,549 in 1980 and was at its lowest, 1,968, in 2021.
The series is highly variable year to year, so single readings are best treated with caution.
Diphtheria - number of reported cases, gaps filled in Lower-middle income (World Bank), year by year
| Year | Value | Change |
|---|---|---|
| 1974 | 30,661 | — |
| 1975 | 36,604 | +19.4% |
| 1976 | 27,001 | -26.2% |
| 1977 | 29,233 | +8.3% |
| 1978 | 32,437 | +11.0% |
| 1979 | 40,299 | +24.2% |
| 1980 | 65,549 | +62.7% |
| 1981 | 45,317 | -30.9% |
| 1982 | 31,261 | -31.0% |
| 1983 | 21,722 | -30.5% |
| 1984 | 23,254 | +7.1% |
| 1985 | 22,210 | -4.5% |
| 1986 | 16,923 | -23.8% |
| 1987 | 17,634 | +4.2% |
| 1988 | 21,871 | +24.0% |
| 1989 | 18,568 | -15.1% |
| 1990 | 12,970 | -30.1% |
| 1991 | 16,530 | +27.4% |
| 1992 | 11,601 | -29.8% |
| 1993 | 10,710 | -7.7% |
| 1994 | 6,582 | -38.5% |
| 1995 | 10,293 | +56.4% |
| 1996 | 8,485 | -17.6% |
| 1997 | 3,237 | -61.9% |
| 1998 | 3,742 | +15.6% |
| 1999 | 2,226 | -40.5% |
| 2000 | 9,504 | +327.0% |
| 2001 | 8,865 | -6.7% |
| 2002 | 6,580 | -25.8% |
| 2003 | 5,280 | -19.8% |
| 2004 | 8,759 | +65.9% |
| 2005 | 6,682 | -23.7% |
| 2006 | 3,315 | -50.4% |
| 2007 | 3,978 | +20.0% |
| 2008 | 4,290 | +7.8% |
| 2009 | 3,885 | -9.4% |
| 2010 | 3,783 | -2.6% |
| 2011 | 4,371 | +15.5% |
| 2012 | 2,944 | -32.6% |
| 2013 | 3,501 | +18.9% |
| 2014 | 7,229 | +106.5% |
| 2015 | 2,721 | -62.4% |
| 2016 | 3,711 | +36.4% |
| 2017 | 7,527 | +102.8% |
| 2018 | 12,756 | +69.5% |
| 2019 | 12,607 | -1.2% |
| 2020 | 3,848 | -69.5% |
| 2021 | 1,968 | -48.9% |
| 2022 | 3,807 | +93.4% |
| 2023 | 18,951 | +397.8% |
| 2024 | 17,623 | -7.0% |
| 2025 | 20,601 | +16.9% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 32,706 | 27,001 | 40,299 | 6 |
| 1980s | 28,431 | 16,923 | 65,549 | 10 |
| 1990s | 8,638 | 2,226 | 16,530 | 10 |
| 2000s | 6,114 | 3,315 | 9,504 | 10 |
| 2010s | 6,115 | 2,721 | 12,756 | 10 |
| 2020s | 11,133 | 1,968 | 20,601 | 6 |
Countries ranked near Lower-middle income (World Bank)
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)
- 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)
- Pertussis - number of reported cases 7,080 (2025)
- Diphtheria - number of reported cases 20,601 (2025)
- Total tetanus - number of reported cases 16,092 (2025)
- Measles - number of reported cases 97,321 (2025)
Frequently asked questions
- What is diphtheria - number of reported cases, gaps filled in Lower-middle income (World Bank)?
- Diphtheria - number of reported cases, gaps filled in Lower-middle income (World Bank) was 20,601 in 2025, according to Statizoid (derived).
- What is the highest diphtheria - number of reported cases, gaps filled recorded in Lower-middle income (World Bank)?
- The highest recorded value was 65,549 in 1980.
- What is the lowest diphtheria - number of reported cases, gaps filled recorded in Lower-middle income (World Bank)?
- The lowest recorded value was 1,968 in 2021.
- How does Lower-middle income (World Bank) rank for diphtheria - number of reported cases, gaps filled?
- Lower-middle income (World Bank) ranks 2nd out of 11 groups with data for 2025.
- Is diphtheria - number of reported cases, gaps filled rising or falling in Lower-middle income (World Bank)?
- Over the last ten years it is up 657.1%. 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, 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.