Diphtheria - number of reported cases, gaps filled in Viet Nam
Viet Nam: Diphtheria - number of reported cases, gaps filled was 3 in 2025. ◆ Volatile
Diphtheria - number of reported cases, gaps filled in Viet Nam, 1974–2025
Source: Statizoid (derived).
Analysis
In 2025, diphtheria - number of reported cases, gaps filled in Viet Nam stood at 3.
That represents a change of down 72.7% on the previous year and down 80.0% over ten years.
Over the whole period, diphtheria - number of reported cases, gaps filled in Viet Nam peaked at 3,487 in 1983 and was at its lowest, 2, in 2022.
Viet Nam ranks 44th of 210 countries on this measure, 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, gaps filled in Viet Nam, year by year
| Year | Value | Change |
|---|---|---|
| 1974 | 418 | — |
| 1975 | 738 | +76.6% |
| 1976 | 2,199 | +198.0% |
| 1977 | 2,476 | +12.6% |
| 1978 | 2,446 | -1.2% |
| 1979 | 1,309 | -46.5% |
| 1980 | 1,730 | +32.2% |
| 1981 | 2,688 | +55.4% |
| 1982 | 2,921 | +8.7% |
| 1983 | 3,487 | +19.4% |
| 1984 | 2,389 | -31.5% |
| 1985 | 2,361 | -1.2% |
| 1986 | 1,974 | -16.4% |
| 1987 | 1,827 | -7.4% |
| 1988 | 983 | -46.2% |
| 1989 | 639 | -35.0% |
| 1990 | 509 | -20.3% |
| 1991 | 511 | +0.4% |
| 1992 | 497 | -2.7% |
| 1993 | 167 | -66.4% |
| 1994 | 166 | -0.6% |
| 1995 | 167 | +0.6% |
| 1996 | 143 | -14.4% |
| 1997 | 152 | +6.3% |
| 1998 | 130 | -14.5% |
| 1999 | 81 | -37.7% |
| 2000 | 113 | +39.5% |
| 2001 | 133 | +17.7% |
| 2002 | 105 | -21.1% |
| 2003 | 105 | +0.0% |
| 2004 | 49 | -53.3% |
| 2005 | 36 | -26.5% |
| 2006 | 25 | -30.6% |
| 2007 | 32 | +28.0% |
| 2008 | 17 | -46.9% |
| 2009 | 8 | -52.9% |
| 2010 | 6 | -25.0% |
| 2011 | 13 | +116.7% |
| 2012 | 12 | -7.7% |
| 2013 | 11 | -8.3% |
| 2014 | 16 | +45.5% |
| 2015 | 15 | -6.2% |
| 2016 | 13 | -13.3% |
| 2017 | 21 | +61.5% |
| 2018 | 13 | -38.1% |
| 2019 | 53 | +307.7% |
| 2020 | 237 | +347.2% |
| 2021 | 6 | -97.5% |
| 2022 | 2 | -66.7% |
| 2023 | 56 | +2700.0% |
| 2024 | 11 | -80.4% |
| 2025 | 3 | -72.7% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 1,598 | 418 | 2,476 | 6 |
| 1980s | 2,100 | 639 | 3,487 | 10 |
| 1990s | 252.3 | 81 | 511 | 10 |
| 2000s | 62.3 | 8 | 133 | 10 |
| 2010s | 17.3 | 6 | 53 | 10 |
| 2020s | 52.5 | 2 | 237 | 6 |
Countries ranked near Viet Nam
More health data for Viet Nam
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Frequently asked questions
- What is diphtheria - number of reported cases, gaps filled in Viet Nam?
- Diphtheria - number of reported cases, gaps filled in Viet Nam was 3 in 2025, according to Statizoid (derived).
- What is the highest diphtheria - number of reported cases, gaps filled recorded in Viet Nam?
- The highest recorded value was 3,487 in 1983.
- What is the lowest diphtheria - number of reported cases, gaps filled recorded in Viet Nam?
- The lowest recorded value was 2 in 2022.
- How does Viet Nam rank for diphtheria - number of reported cases, gaps filled?
- Viet Nam ranks 44th out of 210 countries with data for 2025.
- Is diphtheria - number of reported cases, gaps filled rising or falling in Viet Nam?
- Over the last ten years it is down 80.0%. The long-run trend across the full record is volatile.
- Where does this Viet Nam 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 — 52 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.