Diphtheria - number of reported cases, annual growth rate in Algeria

Algeria: Diphtheria - number of reported cases, annual growth rate was 520 % change on previous year in 2025. ◆ Volatile

Latest (2025)
520 % change on previous year
Change on year
up 1,946.5%
World rank
2nd
of 140 countries
All-time high
650 % change on previous year
in 1990
All-time low
-100 % change on previous year
in 2002
Years of data
30
1975–2025

Diphtheria - number of reported cases, annual growth rate in Algeria, 1975–2025

-20002004006001975200020251975: 6.4 % change on previous year1976: -19.4 % change on previous year1977: -40.1 % change on previous year1978: -36.1 % change on previous year1979: -32.4 % change on previous year1980: 58.9 % change on previous year1981: -1.7 % change on previous year1982: -37.7 % change on previous year1983: 85.9 % change on previous year1984: -18.2 % change on previous year1985: -38.9 % change on previous year1986: -54.5 % change on previous year1987: 16.7 % change on previous year1988: -85.7 % change on previous year1989: -20 % change on previous year1990: 650 % change on previous year1991: -70 % change on previous year1992: 77.8 % change on previous year1994: 260.2 % change on previous year1997: -72 % change on previous year1998: 90 % change on previous year1999: -70.2 % change on previous year2002: -100 % change on previous year2004: 14.3 % change on previous year2005: -12.5 % change on previous year2006: -57.1 % change on previous year2007: -100 % change on previous year2012: -100 % change on previous year2024: -28.2 % change on previous year2025: 520 % change on previous year

Source: Statizoid (derived). Measured in % change on previous year.

Analysis

Algeria recorded 520 % change on previous year for diphtheria - number of reported cases, annual growth rate in 2025.

The figure is up 1,946.5% on the previous year and up 620.0% over ten years.

Over the whole period, diphtheria - number of reported cases, annual growth rate in Algeria peaked at 650 % change on previous year in 1990 and was at its lowest, -100 % change on previous year, in 2002.

That places Algeria 2nd out of 140 countries with data for 2025, putting it 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, annual growth rate in Algeria, year by year

Annual values for Diphtheria - number of reported cases, annual growth rate in Algeria, 1975 to 2025.
Year % change on previous year Change
1975 6.38 % change on previous year
1976 -19.43 % change on previous year -404.4%
1977 -40.07 % change on previous year +106.2%
1978 -36.09 % change on previous year -9.9%
1979 -32.41 % change on previous year -10.2%
1980 58.9 % change on previous year -281.8%
1981 -1.72 % change on previous year -102.9%
1982 -37.72 % change on previous year +2087.7%
1983 85.92 % change on previous year -327.8%
1984 -18.18 % change on previous year -121.2%
1985 -38.89 % change on previous year +113.9%
1986 -54.55 % change on previous year +40.3%
1987 16.67 % change on previous year -130.6%
1988 -85.71 % change on previous year -614.3%
1989 -20 % change on previous year -76.7%
1990 650 % change on previous year -3350.0%
1991 -70 % change on previous year -110.8%
1992 77.78 % change on previous year -211.1%
1994 260.23 % change on previous year +234.6%
1997 -71.96 % change on previous year -127.7%
1998 90 % change on previous year -225.1%
1999 -70.18 % change on previous year -178.0%
2002 -100 % change on previous year +42.5%
2004 14.29 % change on previous year -114.3%
2005 -12.5 % change on previous year -187.5%
2006 -57.14 % change on previous year +357.1%
2007 -100 % change on previous year +75.0%
2012 -100 % change on previous year -0.0%
2024 -28.16 % change on previous year -71.8%
2025 520 % change on previous year -1946.5%

Averages by decade

DecadeAverage LowestHighest Years
1970s -24.32 % change on previous year -40.07 % change on previous year 6.38 % change on previous year 5
1980s -9.53 % change on previous year -85.71 % change on previous year 85.92 % change on previous year 10
1990s 123.7 % change on previous year -71.96 % change on previous year 650 % change on previous year 7
2000s -51.07 % change on previous year -100 % change on previous year 14.29 % change on previous year 5
2010s -100 % change on previous year -100 % change on previous year -100 % change on previous year 1
2020s 245.92 % change on previous year -28.16 % change on previous year 520 % change on previous year 2

Countries ranked near Algeria

  1. 1 Yemen 661.58 % change on previous year compare
  2. 3 Somalia 332.22 % change on previous year compare
  3. 4 South Africa 330.14 % change on previous year compare
  4. 5 Benin 321.43 % change on previous year compare

See the full ranking of 152 places →

More health data for Algeria

All data for Algeria →

Frequently asked questions

What is diphtheria - number of reported cases, annual growth rate in Algeria?
Diphtheria - number of reported cases, annual growth rate in Algeria was 520 % change on previous year in 2025, according to Statizoid (derived).
What is the highest diphtheria - number of reported cases, annual growth rate recorded in Algeria?
The highest recorded value was 650 % change on previous year in 1990.
What is the lowest diphtheria - number of reported cases, annual growth rate recorded in Algeria?
The lowest recorded value was -100 % change on previous year in 2002.
How does Algeria rank for diphtheria - number of reported cases, annual growth rate?
Algeria ranks 2nd out of 140 countries with data for 2025.
Is diphtheria - number of reported cases, annual growth rate rising or falling in Algeria?
Over the last ten years it is up 620.0%. The long-run trend across the full record is volatile.
Where does this Algeria 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.

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

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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

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, annual growth rate
Unit
% change on previous year
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
152 places, 3,361 data points, 1975–2025
Last refreshed

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.