Pertussis - number of reported cases, gaps filled in Japan

Japan: Pertussis - number of reported cases, gaps filled was 89,577 in 2025. ◆ Volatile

Latest (2025)
89,577
Change on year
up 2,087.5%
World rank
1st
of 210 countries
All-time high
89,577
in 2025
All-time low
42
in 1998
Years of data
52
1974–2025

Pertussis - number of reported cases, gaps filled in Japan, 1974–2025

020.0k40.0k60.0k80.0k197419992025

Source: Statizoid (derived).

Analysis

Japan recorded 89,577 for pertussis - number of reported cases, gaps filled in 2025. That is the highest value across all 52 years on record.

Compared with earlier readings it is up 2,087.5% on the previous year and up 3,248.7% over ten years.

Over the whole period, pertussis - number of reported cases, gaps filled in Japan peaked at 89,577 in 2025 and was at its lowest, 42, in 1998.

That places Japan 1st out of 210 countries with data for 2025, putting it in the top 10%.

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

Pertussis - number of reported cases, gaps filled in Japan, year by year

Annual values for Pertussis - number of reported cases, gaps filled in Japan, 1974 to 2025.
Year Value Change
1974 393
1975 1,084 +175.8%
1976 2,508 +131.4%
1977 5,470 +118.1%
1978 9,626 +76.0%
1979 13,035 +35.4%
1980 5,033 -61.4%
1981 3,368 -33.1%
1982 2,532 -24.8%
1983 2,459 -2.9%
1984 1,114 -54.7%
1985 938 -15.8%
1986 1,037 +10.6%
1987 909 -12.3%
1988 499 -45.1%
1989 229 -54.1%
1990 583 +154.6%
1991 821 +40.8%
1992 476 -42.0%
1993 131 -72.5%
1994 148.33 +13.2%
1995 165.67 +11.7%
1996 183 +10.5%
1997 112.5 -38.5%
1998 42 -62.7%
1999 1,914 +4458.3%
2000 3,787 +97.8%
2001 3,804 +0.4%
2002 11,740 +208.6%
2003 1,534 -86.9%
2004 1,534 +0.0%
2005 1,519 -1.0%
2006 1,504 -1.0%
2007 4,128 +174.5%
2008 6,753 +63.6%
2009 5,208 -22.9%
2010 5,406 +3.8%
2011 4,395 -18.7%
2012 4,087 -7.0%
2013 1,663 -59.3%
2014 2,066 +24.2%
2015 2,675 +29.5%
2016 3,011 +12.6%
2017 1,661 -44.8%
2018 12,103 +628.7%
2019 16,845 +39.2%
2020 2,947 -82.5%
2021 752 -74.5%
2022 1,866 +148.2%
2023 2,981 +59.7%
2024 4,095 +37.4%
2025 89,577 +2087.5%

Averages by decade

DecadeAverage LowestHighest Years
1970s 5,353 393 13,035 6
1980s 1,812 229 5,033 10
1990s 457.7 42 1,914 10
2000s 4,151 1,504 11,740 10
2010s 5,391 1,661 16,845 10
2020s 17,036 752 89,577 6

Countries ranked near Japan

  1. 2 China 33,364 compare
  2. 3 Australia 25,277 compare
  3. 4 Poland 11,323 compare

See the full ranking of 223 places →

More health data for Japan

All data for Japan →

Frequently asked questions

What is pertussis - number of reported cases, gaps filled in Japan?
Pertussis - number of reported cases, gaps filled in Japan was 89,577 in 2025, according to Statizoid (derived).
What is the highest pertussis - number of reported cases, gaps filled recorded in Japan?
The highest recorded value was 89,577 in 2025.
What is the lowest pertussis - number of reported cases, gaps filled recorded in Japan?
The lowest recorded value was 42 in 1998.
How does Japan rank for pertussis - number of reported cases, gaps filled?
Japan ranks 1st out of 210 countries with data for 2025.
Is pertussis - number of reported cases, gaps filled rising or falling in Japan?
Over the last ten years it is up 3,248.7%. The long-run trend across the full record is volatile.
Where does this Japan data come from?
The figures come from Statizoid (derived), published as part of Pertussis - number of reported cases, gaps filled. Statizoid updates them automatically from the source API.

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Pertussis - number of reported cases, gaps filled in Japan. Statizoid, drawing on Statizoid (derived). Retrieved 01 September 2026, from https://health.statizoid.com/stat/pertussis-number-of-reported-cases-gaps-filled/japan/

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How this figure is calculated

Pertussis - number of reported cases with 623 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
Pertussis - number of reported cases, gaps filled
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
223 places, 9,846 data points, 1974–2025
Last refreshed

Pertussis - number of reported cases with 623 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.