Diphtheria - number of reported cases, gaps filled in Yemen

Yemen: Diphtheria - number of reported cases, gaps filled was 1,447 in 2025. ◆ Volatile

Latest (2025)
1,447
Change on year
up 661.6%
World rank
5th
of 210 countries
All-time high
4,615
in 1989
All-time low
0
in 2009
Years of data
47
1975–2025

Diphtheria - number of reported cases, gaps filled in Yemen, 1975–2025

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Source: Statizoid (derived).

Analysis

Yemen recorded 1,447 for diphtheria - number of reported cases, gaps filled in 2025.

Compared with earlier readings it is up 661.6% on the previous year and up 7,721.6% over ten years.

Over the whole period, diphtheria - number of reported cases, gaps filled in Yemen peaked at 4,615 in 1989 and was at its lowest, 0, in 2009.

That places Yemen 5th out of 210 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, gaps filled in Yemen, year by year

Annual values for Diphtheria - number of reported cases, gaps filled in Yemen, 1975 to 2025.
Year Value Change
1975 51
1976 346 +578.4%
1977 116 -66.5%
1978 6 -94.8%
1979 40 +566.7%
1980 555 +1287.5%
1981 284 -48.8%
1982 555 +95.4%
1983 981 +76.8%
1984 997 +1.6%
1985 981 -1.6%
1986 244 -75.1%
1987 376 +54.1%
1988 310 -17.6%
1989 4,615 +1388.7%
1990 2,308 -50.0%
1991 1 -100.0%
1992 269 +26800.0%
1993 137.5 -48.9%
1994 6 -95.6%
1995 54 +800.0%
1996 44 -18.5%
1997 34 -22.7%
1998 24 -29.4%
1999 3 -87.5%
2004 2 -33.3%
2005 8 +300.0%
2006 36 +350.0%
2007 10 -72.2%
2008 5 -50.0%
2009 0 -100.0%
2010 7
2011 2 -71.4%
2012 0 -100.0%
2013 7
2014 12.75 +82.1%
2015 18.5 +45.1%
2016 24.25 +31.1%
2017 30 +23.7%
2018 2,609 +8596.7%
2019 277 -89.4%
2020 205 -26.0%
2021 1,516 +639.5%
2022 37 -97.6%
2023 34 -8.1%
2024 190 +458.8%
2025 1,447 +661.6%

Averages by decade

DecadeAverage LowestHighest Years
1970s 111.8 6 346 5
1980s 989.8 244 4,615 10
1990s 288.05 1 2,308 10
2000s 10.17 0 36 6
2010s 298.75 0 2,609 10
2020s 571.5 34 1,516 6

Countries ranked near Yemen

  1. 2 Somalia 3,622 compare
  2. 3 India 3,249 compare
  3. 4 Niger 1,592 compare
  4. 6 Mauritania 1,273 compare
  5. 7 Algeria 775 compare
  6. 8 Mali 712 compare

See the full ranking of 222 places →

More health data for Yemen

All data for Yemen →

Frequently asked questions

What is diphtheria - number of reported cases, gaps filled in Yemen?
Diphtheria - number of reported cases, gaps filled in Yemen was 1,447 in 2025, according to Statizoid (derived).
What is the highest diphtheria - number of reported cases, gaps filled recorded in Yemen?
The highest recorded value was 4,615 in 1989.
What is the lowest diphtheria - number of reported cases, gaps filled recorded in Yemen?
The lowest recorded value was 0 in 2009.
How does Yemen rank for diphtheria - number of reported cases, gaps filled?
Yemen ranks 5th out of 210 countries with data for 2025.
Is diphtheria - number of reported cases, gaps filled rising or falling in Yemen?
Over the last ten years it is up 7,721.6%. The long-run trend across the full record is volatile.
Where does this Yemen 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 Yemen. Statizoid, drawing on Statizoid (derived). Retrieved 31 August 2026, from https://health.statizoid.com/stat/diphtheria-number-of-reported-cases-gaps-filled/yemen-rep/

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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.