Diphtheria - number of reported cases, annual growth rate in Italy

Italy: Diphtheria - number of reported cases, annual growth rate was -50 % change on previous year in 2025. ◆ Volatile

Latest (2025)
-50 % change on previous year
Change on year
down 250.0%
World rank
41st
of 140 countries
All-time high
33.33 % change on previous year
in 2024
All-time low
-100 % change on previous year
in 1988
Years of data
24
1975–2025

Diphtheria - number of reported cases, annual growth rate in Italy, 1975–2025

-100-500501975200020251975: -0.775 % change on previous year1976: -21.1 % change on previous year1977: -13.4 % change on previous year1978: -44.6 % change on previous year1979: -52.6 % change on previous year1980: -34.8 % change on previous year1981: 13.3 % change on previous year1982: -44.1 % change on previous year1983: -47.4 % change on previous year1984: -30 % change on previous year1985: -28.6 % change on previous year1986: -40 % change on previous year1987: -66.7 % change on previous year1988: -100 % change on previous year1990: -60 % change on previous year1991: -50 % change on previous year1992: -100 % change on previous year1995: 0 % change on previous year1996: 0 % change on previous year1997: -100 % change on previous year2019: -100 % change on previous year2023: 0 % change on previous year2024: 33.3 % change on previous year2025: -50 % change on previous year

Source: Statizoid (derived). Measured in % change on previous year.

Analysis

The most recent figure for diphtheria - number of reported cases, annual growth rate in Italy is -50 % change on previous year, measured in 2025.

That represents a change of down 250.0% on the previous year and up 50.0% over ten years.

Over the whole period, diphtheria - number of reported cases, annual growth rate in Italy peaked at 33.33 % change on previous year in 2024 and was at its lowest, -100 % change on previous year, in 1988.

Italy ranks 41st of 140 countries on this measure, in the middle of the range.

The series is highly variable year to year, so single readings are best treated with caution.

Diphtheria - number of reported cases, annual growth rate in Italy, year by year

Annual values for Diphtheria - number of reported cases, annual growth rate in Italy, 1975 to 2025.
Year % change on previous year Change
1975 -0.7752 % change on previous year
1976 -21.09 % change on previous year +2621.1%
1977 -13.37 % change on previous year -36.6%
1978 -44.57 % change on previous year +233.5%
1979 -52.58 % change on previous year +18.0%
1980 -34.78 % change on previous year -33.8%
1981 13.33 % change on previous year -138.3%
1982 -44.12 % change on previous year -430.9%
1983 -47.37 % change on previous year +7.4%
1984 -30 % change on previous year -36.7%
1985 -28.57 % change on previous year -4.8%
1986 -40 % change on previous year +40.0%
1987 -66.67 % change on previous year +66.7%
1988 -100 % change on previous year +50.0%
1990 -60 % change on previous year -40.0%
1991 -50 % change on previous year -16.7%
1992 -100 % change on previous year +100.0%
1995 0 % change on previous year -100.0%
1996 0 % change on previous year
1997 -100 % change on previous year
2019 -100 % change on previous year -0.0%
2023 0 % change on previous year -100.0%
2024 33.33 % change on previous year
2025 -50 % change on previous year -250.0%

Averages by decade

DecadeAverage LowestHighest Years
1970s -26.48 % change on previous year -52.58 % change on previous year -0.7752 % change on previous year 5
1980s -42.02 % change on previous year -100 % change on previous year 13.33 % change on previous year 9
1990s -51.67 % change on previous year -100 % change on previous year 0 % change on previous year 6
2010s -100 % change on previous year -100 % change on previous year -100 % change on previous year 1
2020s -5.56 % change on previous year -50 % change on previous year 33.33 % change on previous year 3

Countries ranked near Italy

  1. 38 India -42.33 % change on previous year compare
  2. 39 Philippines -42.93 % change on previous year compare
  3. 40 Pakistan -46.63 % change on previous year compare
  4. 41 Brazil -50 % change on previous year compare
  5. 43 Kenya -60 % change on previous year compare
  6. 44 Norway -71.43 % change on previous year compare

See the full ranking of 152 places →

More health data for Italy

All data for Italy →

Frequently asked questions

What is diphtheria - number of reported cases, annual growth rate in Italy?
Diphtheria - number of reported cases, annual growth rate in Italy was -50 % change on previous year in 2025, according to Statizoid (derived).
What is the highest diphtheria - number of reported cases, annual growth rate recorded in Italy?
The highest recorded value was 33.33 % change on previous year in 2024.
What is the lowest diphtheria - number of reported cases, annual growth rate recorded in Italy?
The lowest recorded value was -100 % change on previous year in 1988.
How does Italy rank for diphtheria - number of reported cases, annual growth rate?
Italy ranks 41st out of 140 countries with data for 2025.
Is diphtheria - number of reported cases, annual growth rate rising or falling in Italy?
Over the last ten years it is up 50.0%. The long-run trend across the full record is volatile.
Where does this Italy data come from?
The figures come from Statizoid (derived), published as part of Diphtheria - number of reported cases, annual growth rate. Statizoid updates them automatically from the source API.

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Diphtheria - number of reported cases, annual growth rate in Italy. Statizoid, drawing on Statizoid (derived). Retrieved 01 September 2026, from https://health.statizoid.com/stat/diphtheria-number-of-reported-cases-annual-growth-rate/italy/

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How this figure is calculated

The year-on-year percentage change in Diphtheria - number of reported cases. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.

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, annual growth rate
Unit
% change on previous year
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
152 places, 3,361 data points, 1975–2025
Last refreshed

The year-on-year percentage change in Diphtheria - number of reported cases. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.