Diphtheria - number of reported cases, gaps filled in Norway

Norway: Diphtheria - number of reported cases, gaps filled was 2 in 2025. ◆ Volatile

Latest (2025)
2
Change on year
down 71.4%
World rank
50th
of 210 countries
All-time high
8
in 2022
All-time low
0
in 1974
Years of data
52
1974–2025

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

02468197419992025

Source: Statizoid (derived).

Analysis

Norway recorded 2 for diphtheria - number of reported cases, gaps filled in 2025.

Compared with earlier readings it is down 71.4% on the previous year and unchanged over ten years.

Over the whole period, diphtheria - number of reported cases, gaps filled in Norway peaked at 8 in 2022 and was at its lowest, 0, in 1974.

Norway ranks 50th 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 Norway, year by year

Annual values for Diphtheria - number of reported cases, gaps filled in Norway, 1974 to 2025.
Year Value Change
1974 0
1975 0
1976 1
1977 0 -100.0%
1978 0
1979 0
1980 0
1981 0
1982 0
1983 0
1984 0
1985 0
1986 0
1987 0
1988 0
1989 0
1990 0
1991 0
1992 1
1993 0 -100.0%
1994 0
1995 0
1996 0
1997 0
1998 0
1999 0
2000 0
2001 0
2002 0
2003 0
2004 0
2005 0
2006 0
2007 0
2008 0
2009 0
2010 0
2011 0
2012 0
2013 0
2014 2
2015 2 +0.0%
2016 0 -100.0%
2017 1
2018 1 +0.0%
2019 2 +100.0%
2020 0 -100.0%
2021 0
2022 8
2023 4 -50.0%
2024 7 +75.0%
2025 2 -71.4%

Averages by decade

DecadeAverage LowestHighest Years
1970s 0.1667 0 1 6
1980s 0 0 0 10
1990s 0.1 0 1 10
2000s 0 0 0 10
2010s 0.8 0 2 10
2020s 3.5 0 8 6

Countries ranked near Norway

  1. 50 Burkina Faso 2 compare
  2. 50 Italy 2 compare
  3. 50 Luxembourg 2 compare

See the full ranking of 222 places →

More health data for Norway

All data for Norway →

Frequently asked questions

What is diphtheria - number of reported cases, gaps filled in Norway?
Diphtheria - number of reported cases, gaps filled in Norway was 2 in 2025, according to Statizoid (derived).
What is the highest diphtheria - number of reported cases, gaps filled recorded in Norway?
The highest recorded value was 8 in 2022.
What is the lowest diphtheria - number of reported cases, gaps filled recorded in Norway?
The lowest recorded value was 0 in 1974.
How does Norway rank for diphtheria - number of reported cases, gaps filled?
Norway ranks 50th out of 210 countries with data for 2025.
Is diphtheria - number of reported cases, gaps filled rising or falling in Norway?
Over the last ten years it is unchanged. The long-run trend across the full record is volatile.
Where does this Norway 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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CSV · JSON — 52 observations, free to reuse under Derived by Statizoid from the sources named on the page.

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

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<a href="https://health.statizoid.com/stat/diphtheria-number-of-reported-cases-gaps-filled/norway/">Diphtheria - number of reported cases, gaps filled in Norway</a> — Statizoid

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.