Diphtheria - number of reported cases, gaps filled in Vietnam
Vietnam: Diphtheria - number of reported cases, gaps filled was 3 in 2025. ◆ Volatile
Diphtheria - number of reported cases, gaps filled in Vietnam, 1974–2025
Source: Statizoid (derived).
Analysis
In 2025, diphtheria - number of reported cases, gaps filled in Vietnam 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 Vietnam peaked at 3,487 in 1983 and was at its lowest, 2, in 2022.
Vietnam 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 Vietnam, 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% |
Biggest year-on-year movements
Years where Diphtheria - number of reported cases, gaps filled in Vietnam changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2023 | +2700.0% | 2 | 56 |
| 2020 | +347.2% | 53 | 237 |
| 2019 | +307.7% | 13 | 53 |
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 Vietnam
More health data for Vietnam
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- Heat deaths vs projected death rates, annual growth rate 0.0536 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 1,306 deaths per 1,000 people (2090)
- Number of infants who die before age 1 3,132 deaths (2100)
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- Population ages 00-04, male, per unit of GDP 0 units per US$ of GDP (2025)
Frequently asked questions
- What is diphtheria - number of reported cases, gaps filled in Vietnam?
- Diphtheria - number of reported cases, gaps filled in Vietnam was 3 in 2025, according to Statizoid (derived).
- What is the highest diphtheria - number of reported cases, gaps filled recorded in Vietnam?
- The highest recorded value was 3,487 in 1983.
- What is the lowest diphtheria - number of reported cases, gaps filled recorded in Vietnam?
- The lowest recorded value was 2 in 2022.
- How does Vietnam rank for diphtheria - number of reported cases, gaps filled?
- Vietnam ranks 44th out of 210 countries with data for 2025.
- Is diphtheria - number of reported cases, gaps filled rising or falling in Vietnam?
- Over the last ten years it is down 80.0%. The long-run trend across the full record is volatile.
- Where does this Vietnam 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.