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

Yemen: Diphtheria - number of reported cases, annual growth rate was 661.58 % change on previous year in 2025. ◆ Volatile

Latest (2025)
661.58 % change on previous year
Change on year
up 44.2%
World rank
1st
of 140 countries
All-time high
800 % change on previous year
in 1995
All-time low
-100 % change on previous year
in 2009
Years of data
28
1976–2025

Diphtheria - number of reported cases, annual growth rate in Yemen, 1976–2025

-20002004006008001976200020251976: 578.4 % change on previous year1977: -66.5 % change on previous year1978: -94.8 % change on previous year1979: 566.7 % change on previous year1981: -48.8 % change on previous year1982: 95.4 % change on previous year1983: 76.8 % change on previous year1984: 1.6 % change on previous year1985: -1.6 % change on previous year1986: -75.1 % change on previous year1987: 54.1 % change on previous year1988: -17.6 % change on previous year1995: 800 % change on previous year1999: -87.5 % change on previous year2005: 300 % change on previous year2006: 350 % change on previous year2007: -72.2 % change on previous year2008: -50 % change on previous year2009: -100 % change on previous year2011: -71.4 % change on previous year2012: -100 % change on previous year2019: -89.4 % change on previous year2020: -26 % change on previous year2021: 639.5 % change on previous year2022: -97.6 % change on previous year2023: -8.1 % change on previous year2024: 458.8 % change on previous year2025: 661.6 % change on previous year

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

Analysis

In 2025, diphtheria - number of reported cases, annual growth rate in Yemen stood at 661.58 % change on previous year.

Compared with earlier readings it is up 44.2% on the previous year and up 761.6% over ten years.

Over the whole period, diphtheria - number of reported cases, annual growth rate in Yemen peaked at 800 % change on previous year in 1995 and was at its lowest, -100 % change on previous year, in 2009.

That places Yemen 1st 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 Yemen, year by year

Annual values for Diphtheria - number of reported cases, annual growth rate in Yemen, 1976 to 2025.
Year % change on previous year Change
1976 578.43 % change on previous year
1977 -66.47 % change on previous year -111.5%
1978 -94.83 % change on previous year +42.7%
1979 566.67 % change on previous year -697.6%
1981 -48.83 % change on previous year -108.6%
1982 95.42 % change on previous year -295.4%
1983 76.76 % change on previous year -19.6%
1984 1.63 % change on previous year -97.9%
1985 -1.6 % change on previous year -198.4%
1986 -75.13 % change on previous year +4581.4%
1987 54.1 % change on previous year -172.0%
1988 -17.55 % change on previous year -132.4%
1995 800 % change on previous year -4657.6%
1999 -87.5 % change on previous year -110.9%
2005 300 % change on previous year -442.9%
2006 350 % change on previous year +16.7%
2007 -72.22 % change on previous year -120.6%
2008 -50 % change on previous year -30.8%
2009 -100 % change on previous year +100.0%
2011 -71.43 % change on previous year -28.6%
2012 -100 % change on previous year +40.0%
2019 -89.38 % change on previous year -10.6%
2020 -25.99 % change on previous year -70.9%
2021 639.51 % change on previous year -2560.3%
2022 -97.56 % change on previous year -115.3%
2023 -8.11 % change on previous year -91.7%
2024 458.82 % change on previous year -5758.8%
2025 661.58 % change on previous year +44.2%

Averages by decade

DecadeAverage LowestHighest Years
1970s 245.95 % change on previous year -94.83 % change on previous year 578.43 % change on previous year 4
1980s 10.6 % change on previous year -75.13 % change on previous year 95.42 % change on previous year 8
1990s 356.25 % change on previous year -87.5 % change on previous year 800 % change on previous year 2
2000s 85.56 % change on previous year -100 % change on previous year 350 % change on previous year 5
2010s -86.94 % change on previous year -100 % change on previous year -71.43 % change on previous year 3
2020s 271.38 % change on previous year -97.56 % change on previous year 661.58 % change on previous year 6

Countries ranked near Yemen

  1. 2 Algeria 520 % 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

See the full ranking of 152 places →

More health data for Yemen

All data for Yemen →

Frequently asked questions

What is diphtheria - number of reported cases, annual growth rate in Yemen?
Diphtheria - number of reported cases, annual growth rate in Yemen was 661.58 % change on previous year in 2025, according to Statizoid (derived).
What is the highest diphtheria - number of reported cases, annual growth rate recorded in Yemen?
The highest recorded value was 800 % change on previous year in 1995.
What is the lowest diphtheria - number of reported cases, annual growth rate recorded in Yemen?
The lowest recorded value was -100 % change on previous year in 2009.
How does Yemen rank for diphtheria - number of reported cases, annual growth rate?
Yemen ranks 1st out of 140 countries with data for 2025.
Is diphtheria - number of reported cases, annual growth rate rising or falling in Yemen?
Over the last ten years it is up 761.6%. 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, annual growth rate. Statizoid updates them automatically from the source API.

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Diphtheria - number of reported cases, annual growth rate in Yemen. Statizoid, drawing on Statizoid (derived). Retrieved 03 September 2026, from https://health.statizoid.com/stat/diphtheria-number-of-reported-cases-annual-growth-rate/yemen-rep/

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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.