Diphtheria - number of reported cases, gaps filled in Nigeria
Nigeria: Diphtheria - number of reported cases, gaps filled was 15,273 in 2025. ◆ Volatile
Diphtheria - number of reported cases, gaps filled in Nigeria, 1974–2025
Source: Statizoid (derived).
Analysis
The most recent figure for diphtheria - number of reported cases, gaps filled in Nigeria is 15,273, measured in 2025. That is the highest value across all 43 years on record.
That represents a change of up 44.2% on the previous year and up 190.5% over five years.
Over the whole period, diphtheria - number of reported cases, gaps filled 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, gaps filled in Nigeria, year by year
| 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% |
| 1995 | 1,242 | +164.9% |
| 1996 | 2,016 | +62.3% |
| 1997 | 1,362 | -32.4% |
| 1998 | 708 | -48.0% |
| 1999 | 2,352 | +232.1% |
| 2000 | 3,995 | +69.9% |
| 2001 | 2,468 | -38.2% |
| 2002 | 790 | -68.0% |
| 2003 | 670.5 | -15.1% |
| 2004 | 551 | -17.8% |
| 2005 | 431.5 | -21.7% |
| 2006 | 312 | -27.7% |
| 2011 | 0 | -100.0% |
| 2017 | 0 | — |
| 2018 | 1,870 | — |
| 2019 | 2,289 | +22.4% |
| 2020 | 5,258 | +129.7% |
| 2021 | 8,226 | +56.5% |
| 2022 | 11,194 | +36.1% |
| 2023 | 14,163 | +26.5% |
| 2024 | 10,595 | -25.2% |
| 2025 | 15,273 | +44.2% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 378.83 | 32 | 1,050 | 6 |
| 1980s | 1,406 | 164 | 5,039 | 10 |
| 1990s | 1,716 | 469 | 2,849 | 10 |
| 2000s | 1,317 | 312 | 3,995 | 7 |
| 2010s | 1,040 | 0 | 2,289 | 4 |
| 2020s | 10,785 | 5,258 | 15,273 | 6 |
Countries ranked near Nigeria
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- Measles - number of reported cases, gaps filled 21,270 (2025)
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Frequently asked questions
- What is diphtheria - number of reported cases, gaps filled in Nigeria?
- Diphtheria - number of reported cases, gaps filled in Nigeria was 15,273 in 2025, according to Statizoid (derived).
- What is the highest diphtheria - number of reported cases, gaps filled recorded in Nigeria?
- The highest recorded value was 15,273 in 2025.
- What is the lowest diphtheria - number of reported cases, gaps filled recorded in Nigeria?
- The lowest recorded value was 0 in 2011.
- How does Nigeria rank for diphtheria - number of reported cases, gaps filled?
- Nigeria ranks 1st out of 210 countries with data for 2025.
- Where does this Nigeria 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.
Download this data
CSV · JSON — 43 observations, free to reuse under Derived by Statizoid from the sources named on the page.
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
- Diphtheria - number of reported cases World Health Organization, Global Health Observatory
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
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.