Japan Syphilis 2008-2014 provides information on the epidemiology of Syphilis in Japan. Case notification data are collected by the Infectious Disease Surveillance Center for the National Epidemiological Surveillance of Infectious Diseases (NESID) program. NESID data is collected from prefectural and municipal public health centers, and quarantine stations through an online reporting system. The Syphilis 2008-2014 report details syphilis cases in Japan by year, age, sex, prefecture, transmission route, and clinical stage.