Diphtheria - number of reported cases, gaps filled in Viet Nam

Viet Nam: Diphtheria - number of reported cases, gaps filled was 3 in 2025. ◆ Volatile

Latest (2025)
3
Change on year
down 72.7%
World rank
44th
of 210 countries
All-time high
3,487
in 1983
All-time low
2
in 2022
Years of data
52
1974–2025

Diphtheria - number of reported cases, gaps filled in Viet Nam, 1974–2025

01.0k2.0k3.0k197419992025

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

Annual values for Diphtheria - number of reported cases, gaps filled in Viet Nam, 1974 to 2025.
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

DecadeAverage LowestHighest 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

  1. 41 Brazil 4 compare
  2. 41 New Zealand 4 compare
  3. 41 Chad 4 compare
  4. 44 Austria 3 compare
  5. 44 Spain 3 compare
  6. 44 Cambodia 3 compare
  7. 44 Poland 3 compare
  8. 44 Sweden 3 compare

See the full ranking of 222 places →

More health data for Viet Nam

All data for Viet Nam →

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.

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Diphtheria - number of reported cases, gaps filled in Viet Nam. Statizoid, drawing on Statizoid (derived). Retrieved 31 August 2026, from https://health.statizoid.com/stat/diphtheria-number-of-reported-cases-gaps-filled/viet-nam/

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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

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, gaps filled
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
222 places, 9,846 data points, 1974–2025
Last refreshed

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.