Live mpox (monkeypox) statistics for Japan, updated automatically from World Health Organization surveillance data.
First case 25 Jul 2022 · latest WHO report 14 Sep 2026 · updates automatically
As of 27 September 2026, Japan has reported 368 confirmed mpox (monkeypox) cases and 1 deaths to the World Health Organization, with the first confirmed case recorded on 25 July 2022. That is the 41st highest total worldwide and the 6th in Asia. The rate is 3.0 cases per million people (below the world average of 23.6). 30 new cases were reported in the last 90 days, down from 36 in the previous 90 days (-17%).
Total confirmed cases: Japan
Cumulative confirmed cases by report date
Japan: 368 confirmed cases.
New confirmed cases: Japan
By month of report to WHO
Japan: 30 cases in the last 90 days.
Latest reports: Japan
Most recent submissions to WHO
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Mpox in Japan: frequently asked questions
How many mpox cases are there in Japan?
Japan has reported 368 laboratory-confirmed mpox (monkeypox) cases to WHO as of 27 September 2026, the 41st highest total of 145 countries with cases.
How many people have died from mpox in Japan?
1 mpox deaths have been confirmed in Japan, a case fatality rate of 0.27%. Worldwide the rate is about 0.28%.
Are mpox cases rising in Japan?
30 new cases were reported in the last 90 days, down from 36 in the previous 90 days (-17%). The latest report to WHO is dated 14 September 2026.
Has clade Ib mpox been found in Japan?
Clade Ib has not been reported for Japan in WHO situation reports so far. Cases there have been clade II or clade Ia. The worldwide list of clade Ib countries is on the main tracker page.
When was the first mpox case in Japan?
The first confirmed case in WHO data for Japan was recorded on 25 July 2022.
How does Japan compare with other countries?
Japan has 3.0 confirmed cases per million people, against a world average of 23.6. It ranks 6th in Asia by total cases.
How can I protect myself from mpox?
Avoid close, skin-to-skin contact with people who have a rash that looks like mpox, do not share bedding, towels or utensils with someone who is sick, and wash hands often. Vaccination with MVA-BN is recommended for people at higher risk; check with local health services in Japan for availability.