Diphtheria - number of reported cases in Nigeria

Nigeria: Diphtheria - number of reported cases was 15,273 in 2025. ◆ Volatile

Latest (2025)
15,273
Change on year
up 44.2%
World rank
1st
of 210 countries
All-time high
15,273
in 2025
All-time low
0
in 2011
Years of data
34
1974–2025

Diphtheria - number of reported cases in Nigeria, 1974–2025

05.0k10.0k15.0k1974199920251974: 1291975: 321976: 3331977: 1.1k1978: 4551979: 2741980: 1651981: 1641982: 1.2k1983: 2751984: 7331985: 2.0k1986: 1.9k1987: 7151988: 1.9k1989: 5.0k1990: 1.8k1991: 2.8k1992: 2.4k1993: 2.0k1994: 4691996: 2.0k1998: 7082000: 4.0k2001: 2.5k2002: 7902006: 3122011: 02017: 02018: 1.9k2019: 2.3k2023: 14.2k2024: 10.6k2025: 15.3k

Source: World Health Organization, Global Health Observatory.

Analysis

In 2025, diphtheria - number of reported cases in Nigeria stood at 15,273. That is the highest value across all 34 years on record.

That represents a change of up 44.2% on the previous year and up 567.2% over five years.

Over the whole period, diphtheria - number of reported cases in Nigeria peaked at 15,273 in 2025 and was at its lowest, 0, in 2011.

Nigeria ranks 1st 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 in Nigeria, year by year

Annual values for Diphtheria - number of reported cases in Nigeria, 1974 to 2025.
Year Value Change
1974 129
1975 32 -75.2%
1976 333 +940.6%
1977 1,050 +215.3%
1978 455 -56.7%
1979 274 -39.8%
1980 165 -39.8%
1981 164 -0.6%
1982 1,170 +613.4%
1983 275 -76.5%
1984 733 +166.5%
1985 1,996 +172.3%
1986 1,871 -6.3%
1987 715 -61.8%
1988 1,930 +169.9%
1989 5,039 +161.1%
1990 1,768 -64.9%
1991 2,849 +61.1%
1992 2,351 -17.5%
1993 2,042 -13.1%
1994 469 -77.0%
1996 2,016 +329.9%
1998 708 -64.9%
2000 3,995 +464.3%
2001 2,468 -38.2%
2002 790 -68.0%
2006 312 -60.5%
2011 0 -100.0%
2017 0
2018 1,870
2019 2,289 +22.4%
2023 14,163 +518.7%
2024 10,595 -25.2%
2025 15,273 +44.2%

Averages by decade

DecadeAverage LowestHighest Years
1970s 378.83 32 1,050 6
1980s 1,406 164 5,039 10
1990s 1,743 469 2,849 7
2000s 1,891 312 3,995 4
2010s 1,040 0 2,289 4
2020s 13,344 10,595 15,273 3

Countries ranked near Nigeria

  1. 2 Somalia 3,622 compare
  2. 3 India 3,249 compare
  3. 4 Niger 1,592 compare

See the full ranking of 222 places →

More health data for Nigeria

All data for Nigeria →

Frequently asked questions

What is diphtheria - number of reported cases in Nigeria?
Diphtheria - number of reported cases in Nigeria was 15,273 in 2025, according to World Health Organization, Global Health Observatory.
What is the highest diphtheria - number of reported cases recorded in Nigeria?
The highest recorded value was 15,273 in 2025.
What is the lowest diphtheria - number of reported cases recorded in Nigeria?
The lowest recorded value was 0 in 2011.
How does Nigeria rank for diphtheria - number of reported cases?
Nigeria ranks 1st out of 210 countries with data for 2025.
Where does this Nigeria data come from?
The figures come from World Health Organization, Global Health Observatory, published as part of Diphtheria - number of reported cases. Statizoid updates them automatically from the source API.

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Diphtheria - number of reported cases in Nigeria. Statizoid, drawing on World Health Organization, Global Health Observatory. Retrieved 22 August 2026, from https://health.statizoid.com/stat/diphtheria-number-of-reported-cases/nigeria/

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About this data

Indicator
Diphtheria - number of reported cases
Source
World Health Organization, Global Health Observatory
Licence
CC BY-NC-SA 3.0 IGO (WHO)
Coverage
222 places, 9,233 data points, 1974–2025
Last refreshed