Diphtheria - number of reported cases, gaps filled in Algeria
Algeria: Diphtheria - number of reported cases, gaps filled was 775 in 2025. ◆ Volatile
Diphtheria - number of reported cases, gaps filled in Algeria, 1974–2025
Source: Statizoid (derived).
Analysis
The most recent figure for diphtheria - number of reported cases, gaps filled in Algeria is 775, measured in 2025.
That represents a change of up 520.0% on the previous year and up 38,650.0% over five years.
Over the whole period, diphtheria - number of reported cases, gaps filled in Algeria peaked at 951 in 1994 and was at its lowest, 0, in 2002.
Algeria ranks 7th of 210 countries on this measure, 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, gaps filled in Algeria, year by year
| Year | Value | Change |
|---|---|---|
| 1974 | 329 | — |
| 1975 | 350 | +6.4% |
| 1976 | 282 | -19.4% |
| 1977 | 169 | -40.1% |
| 1978 | 108 | -36.1% |
| 1979 | 73 | -32.4% |
| 1980 | 116 | +58.9% |
| 1981 | 114 | -1.7% |
| 1982 | 71 | -37.7% |
| 1983 | 132 | +85.9% |
| 1984 | 108 | -18.2% |
| 1985 | 66 | -38.9% |
| 1986 | 30 | -54.5% |
| 1987 | 35 | +16.7% |
| 1988 | 5 | -85.7% |
| 1989 | 4 | -20.0% |
| 1990 | 30 | +650.0% |
| 1991 | 9 | -70.0% |
| 1992 | 16 | +77.8% |
| 1993 | 264 | +1550.0% |
| 1994 | 951 | +260.2% |
| 1995 | 529 | -44.4% |
| 1996 | 107 | -79.8% |
| 1997 | 30 | -72.0% |
| 1998 | 57 | +90.0% |
| 1999 | 17 | -70.2% |
| 2000 | 10 | -41.2% |
| 2001 | 3 | -70.0% |
| 2002 | 0 | -100.0% |
| 2003 | 7 | — |
| 2004 | 8 | +14.3% |
| 2005 | 7 | -12.5% |
| 2006 | 3 | -57.1% |
| 2007 | 0 | -100.0% |
| 2008 | 0 | — |
| 2009 | 0 | — |
| 2010 | 0 | — |
| 2011 | 1 | — |
| 2012 | 0 | -100.0% |
| 2013 | 0 | — |
| 2014 | 0 | — |
| 2015 | 0 | — |
| 2016 | 0 | — |
| 2017 | 0 | — |
| 2018 | 0 | — |
| 2019 | 1 | — |
| 2020 | 2 | +100.0% |
| 2021 | 3 | +50.0% |
| 2022 | 4 | +33.3% |
| 2023 | 174 | +4250.0% |
| 2024 | 125 | -28.2% |
| 2025 | 775 | +520.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 218.5 | 73 | 350 | 6 |
| 1980s | 68.1 | 4 | 132 | 10 |
| 1990s | 201 | 9 | 951 | 10 |
| 2000s | 3.8 | 0 | 10 | 10 |
| 2010s | 0.2 | 0 | 1 | 10 |
| 2020s | 180.5 | 2 | 775 | 6 |
Countries ranked near Algeria
More health data for Algeria
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Frequently asked questions
- What is diphtheria - number of reported cases, gaps filled in Algeria?
- Diphtheria - number of reported cases, gaps filled in Algeria was 775 in 2025, according to Statizoid (derived).
- What is the highest diphtheria - number of reported cases, gaps filled recorded in Algeria?
- The highest recorded value was 951 in 1994.
- What is the lowest diphtheria - number of reported cases, gaps filled recorded in Algeria?
- The lowest recorded value was 0 in 2002.
- How does Algeria rank for diphtheria - number of reported cases, gaps filled?
- Algeria ranks 7th out of 210 countries with data for 2025.
- Where does this Algeria 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.