Diphtheria - number of reported cases, gaps filled in Algeria

Algeria: Diphtheria - number of reported cases, gaps filled was 775 in 2025. ◆ Volatile

Latest (2025)
775
Change on year
up 520.0%
World rank
7th
of 210 countries
All-time high
951
in 1994
All-time low
0
in 2002
Years of data
52
1974–2025

Diphtheria - number of reported cases, gaps filled in Algeria, 1974–2025

02004006008001.0k197419992025

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

Annual values for Diphtheria - number of reported cases, gaps filled in Algeria, 1974 to 2025.
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

DecadeAverage LowestHighest 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

  1. 4 Niger 1,592 compare
  2. 5 Yemen 1,447 compare
  3. 6 Mauritania 1,273 compare
  4. 8 Mali 712 compare
  5. 9 Pakistan 562 compare
  6. 10 South Africa 314 compare

See the full ranking of 222 places →

More health data for Algeria

All data for Algeria →

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.

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Diphtheria - number of reported cases, gaps filled in Algeria. Statizoid, drawing on Statizoid (derived). Retrieved 31 August 2026, from https://health.statizoid.com/stat/diphtheria-number-of-reported-cases-gaps-filled/algeria/

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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

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

Indicator
Diphtheria - number of reported cases, gaps filled
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
222 places, 9,846 data points, 1974–2025
Last refreshed

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.