Diphtheria - number of reported cases, annual growth rate in Americas (WHO region)
Americas (WHO region): Diphtheria - number of reported cases, annual growth rate was -18.18 % change on previous year in 2025. ◆ Volatile
Diphtheria - number of reported cases, annual growth rate in Americas (WHO region), 1981–2025
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
Americas (WHO region) recorded -18.18 % change on previous year for diphtheria - number of reported cases, annual growth rate in 2025.
The figure is down 104.7% on the previous year and down 104.7% over ten years.
Over the whole period, diphtheria - number of reported cases, annual growth rate in Americas (WHO region) peaked at 690.91 % change on previous year in 2010 and was at its lowest, -88.42 % change on previous year, in 2009.
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 Americas (WHO region), year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1981 | -14.76 % change on previous year | — |
| 1982 | -13.92 % change on previous year | -5.7% |
| 1983 | -1.57 % change on previous year | -88.8% |
| 1984 | -11.86 % change on previous year | +657.2% |
| 1985 | -7.98 % change on previous year | -32.7% |
| 1986 | -26.2 % change on previous year | +228.3% |
| 1987 | -26.16 % change on previous year | -0.2% |
| 1988 | -21.6 % change on previous year | -17.5% |
| 1989 | -22.74 % change on previous year | +5.3% |
| 1990 | -23.31 % change on previous year | +2.5% |
| 1991 | -27.36 % change on previous year | +17.4% |
| 1992 | -24.83 % change on previous year | -9.2% |
| 1993 | -22.39 % change on previous year | -9.8% |
| 1994 | 150.57 % change on previous year | -772.4% |
| 1995 | -58.15 % change on previous year | -138.6% |
| 1996 | -38.96 % change on previous year | -33.0% |
| 1997 | -58.04 % change on previous year | +48.9% |
| 1998 | 195.75 % change on previous year | -437.3% |
| 1999 | -56.12 % change on previous year | -128.7% |
| 2000 | -7.38 % change on previous year | -86.9% |
| 2001 | -39.82 % change on previous year | +439.8% |
| 2002 | 88.24 % change on previous year | -321.6% |
| 2003 | -22.66 % change on previous year | -125.7% |
| 2004 | 82.83 % change on previous year | -465.6% |
| 2005 | -60.77 % change on previous year | -173.4% |
| 2006 | -57.75 % change on previous year | -5.0% |
| 2007 | -53.33 % change on previous year | -7.6% |
| 2008 | 578.57 % change on previous year | -1184.8% |
| 2009 | -88.42 % change on previous year | -115.3% |
| 2010 | 690.91 % change on previous year | -881.4% |
| 2011 | -86.21 % change on previous year | -112.5% |
| 2012 | -83.33 % change on previous year | -3.3% |
| 2013 | 150 % change on previous year | -280.0% |
| 2014 | 100 % change on previous year | -33.3% |
| 2015 | 390 % change on previous year | +290.0% |
| 2016 | -8.16 % change on previous year | -102.1% |
| 2018 | 2.52 % change on previous year | -130.9% |
| 2019 | -73.83 % change on previous year | -3026.2% |
| 2020 | -64.53 % change on previous year | -12.6% |
| 2021 | -20.48 % change on previous year | -68.3% |
| 2022 | -18.18 % change on previous year | -11.2% |
| 2023 | -66.67 % change on previous year | +266.7% |
| 2024 | 388.89 % change on previous year | -683.3% |
| 2025 | -18.18 % change on previous year | -104.7% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | -16.31 % change on previous year | -26.2 % change on previous year | -1.57 % change on previous year | 9 |
| 1990s | 3.72 % change on previous year | -58.15 % change on previous year | 195.75 % change on previous year | 10 |
| 2000s | 41.95 % change on previous year | -88.42 % change on previous year | 578.57 % change on previous year | 10 |
| 2010s | 120.21 % change on previous year | -86.21 % change on previous year | 690.91 % change on previous year | 9 |
| 2020s | 33.47 % change on previous year | -66.67 % change on previous year | 388.89 % change on previous year | 6 |
Countries ranked near Americas (WHO region)
- 6 Switzerland 300 % change on previous year compare
- 7 Congo, Democratic Republic of the 281.25 % change on previous year compare
- 8 Gabon 233.33 % change on previous year compare
- 9 Spain 200 % change on previous year compare
- 9 Cambodia 200 % change on previous year compare
- 9 Poland 200 % change on previous year compare
- 12 Australia 188.89 % change on previous year compare
More health data for Americas (WHO region)
- Pertussis - number of reported cases, gaps filled 24,640 (2025)
- Diphtheria - number of reported cases, gaps filled 72 (2025)
- Measles - number of reported cases, gaps filled 12,380 (2025)
- Total tetanus - number of reported cases, gaps filled 385 (2025)
- Measles - number of reported cases, annual growth rate 22.22 % change on previous year (2024)
- Pertussis - number of reported cases, annual growth rate -20.67 % change on previous year (2025)
- Total tetanus - number of reported cases, annual growth rate -12.7 % change on previous year (2025)
- Measles - number of reported cases 12,380 (2025)
- Total tetanus - number of reported cases 385 (2025)
- Pertussis - number of reported cases 24,640 (2025)
Frequently asked questions
- What is diphtheria - number of reported cases, annual growth rate in Americas (WHO region)?
- Diphtheria - number of reported cases, annual growth rate in Americas (WHO region) was -18.18 % change on previous year in 2025, according to Statizoid (derived).
- What is the highest diphtheria - number of reported cases, annual growth rate recorded in Americas (WHO region)?
- The highest recorded value was 690.91 % change on previous year in 2010.
- What is the lowest diphtheria - number of reported cases, annual growth rate recorded in Americas (WHO region)?
- The lowest recorded value was -88.42 % change on previous year in 2009.
- How does Americas (WHO region) rank for diphtheria - number of reported cases, annual growth rate?
- Americas (WHO region) ranks 9th out of 11 groups with data for 2025.
- Is diphtheria - number of reported cases, annual growth rate rising or falling in Americas (WHO region)?
- Over the last ten years it is down 104.7%. The long-run trend across the full record is volatile.
- Where does this Americas (WHO region) 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.
Download this data
CSV · JSON — 44 observations, free to reuse under Derived by Statizoid from the sources named on the page.
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
- 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
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.