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

Niger: Diphtheria - number of reported cases, annual growth rate was -23.54 % change on previous year in 2025. ◆ Volatile

Latest (2025)
-23.54 % change on previous year
Change on year
up 35.8%
World rank
35th
of 140 countries
All-time high
780 % change on previous year
in 2018
All-time low
-100 % change on previous year
in 1999
Years of data
29
1975–2025

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

-20002004006008001975200020251975: -67 % change on previous year1976: 117.2 % change on previous year1977: 54 % change on previous year1978: -46.4 % change on previous year1979: -3.8 % change on previous year1980: -32 % change on previous year1981: -20.6 % change on previous year1982: -40.7 % change on previous year1986: -87 % change on previous year1987: -37.1 % change on previous year1988: -13.6 % change on previous year1989: 294.7 % change on previous year1990: 36 % change on previous year1998: -19.4 % change on previous year1999: -100 % change on previous year2001: 300 % change on previous year2002: -77.1 % change on previous year2003: -81.8 % change on previous year2004: -100 % change on previous year2007: -65.5 % change on previous year2008: -100 % change on previous year2014: -100 % change on previous year2018: 780 % change on previous year2019: 25 % change on previous year2020: -72.7 % change on previous year2021: -100 % change on previous year2023: 346.5 % change on previous year2024: -36.6 % change on previous year2025: -23.5 % 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 Niger stood at -23.54 % change on previous year.

The figure is up 35.8% on the previous year and up 76.5% over ten years.

Over the whole period, diphtheria - number of reported cases, annual growth rate in Niger peaked at 780 % change on previous year in 2018 and was at its lowest, -100 % change on previous year, in 1999.

That places Niger 35th out of 140 countries with data for 2025, putting it in the top quarter.

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 Niger, year by year

Annual values for Diphtheria - number of reported cases, annual growth rate in Niger, 1975 to 2025.
Year % change on previous year Change
1975 -67.05 % change on previous year
1976 117.24 % change on previous year -274.9%
1977 53.97 % change on previous year -54.0%
1978 -46.39 % change on previous year -186.0%
1979 -3.85 % change on previous year -91.7%
1980 -32 % change on previous year +732.0%
1981 -20.59 % change on previous year -35.7%
1982 -40.74 % change on previous year +97.9%
1986 -86.99 % change on previous year +113.5%
1987 -37.14 % change on previous year -57.3%
1988 -13.64 % change on previous year -63.3%
1989 294.74 % change on previous year -2261.4%
1990 36 % change on previous year -87.8%
1998 -19.35 % change on previous year -153.8%
1999 -100 % change on previous year +416.7%
2001 300 % change on previous year -400.0%
2002 -77.08 % change on previous year -125.7%
2003 -81.82 % change on previous year +6.1%
2004 -100 % change on previous year +22.2%
2007 -65.52 % change on previous year -34.5%
2008 -100 % change on previous year +52.6%
2014 -100 % change on previous year -0.0%
2018 780 % change on previous year -880.0%
2019 25 % change on previous year -96.8%
2020 -72.73 % change on previous year -390.9%
2021 -100 % change on previous year +37.5%
2023 346.47 % change on previous year -446.5%
2024 -36.64 % change on previous year -110.6%
2025 -23.54 % change on previous year -35.8%

Averages by decade

DecadeAverage LowestHighest Years
1970s 10.79 % change on previous year -67.05 % change on previous year 117.24 % change on previous year 5
1980s 9.09 % change on previous year -86.99 % change on previous year 294.74 % change on previous year 7
1990s -27.78 % change on previous year -100 % change on previous year 36 % change on previous year 3
2000s -20.74 % change on previous year -100 % change on previous year 300 % change on previous year 6
2010s 235 % change on previous year -100 % change on previous year 780 % change on previous year 3
2020s 22.71 % change on previous year -100 % change on previous year 346.47 % change on previous year 5

Countries ranked near Niger

  1. 32 Iraq -11.11 % change on previous year compare
  2. 33 Ethiopia -11.39 % change on previous year compare
  3. 34 Haiti -17.33 % change on previous year compare
  4. 36 Azerbaijan -25 % change on previous year compare
  5. 36 Sweden -25 % change on previous year compare
  6. 38 India -42.33 % change on previous year compare

See the full ranking of 152 places →

More health data for Niger

All data for Niger →

Frequently asked questions

What is diphtheria - number of reported cases, annual growth rate in Niger?
Diphtheria - number of reported cases, annual growth rate in Niger was -23.54 % change on previous year in 2025, according to Statizoid (derived).
What is the highest diphtheria - number of reported cases, annual growth rate recorded in Niger?
The highest recorded value was 780 % change on previous year in 2018.
What is the lowest diphtheria - number of reported cases, annual growth rate recorded in Niger?
The lowest recorded value was -100 % change on previous year in 1999.
How does Niger rank for diphtheria - number of reported cases, annual growth rate?
Niger ranks 35th out of 140 countries with data for 2025.
Is diphtheria - number of reported cases, annual growth rate rising or falling in Niger?
Over the last ten years it is up 76.5%. The long-run trend across the full record is volatile.
Where does this Niger 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 Niger. Statizoid, drawing on Statizoid (derived). Retrieved 31 August 2026, from https://health.statizoid.com/stat/diphtheria-number-of-reported-cases-annual-growth-rate/niger/

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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.