Founding Member, 1928
Japan hosted the 8th International Conference in 1958 and the 16th International Conference in 1984. Japan also hosted the Midterm Council Meeting and Regional Workshop in 2002.
Two members from PPSEAWA Japan have served as International Presidents, including C. Tsume Gauntlett, 1934-37, and Dr. Rinko Yamazaki, 1981-84.
- 2017 Peace Day Observance in PPSEAWA Japan 15 October, 2017
- 2016 International Day of Peace Gathering in Tokyo 27 February, 2017