9-11 June 2015 – Secretary General of the World Fellowship of Buddhists P. Thayarry and Vice-Rector for Foreign Affairs of Chulalongkorn University S. Chotiko participated in the 5th Congress of Leaders of World and Traditional Religions.
October 2018 – Adviser to the President of the World Buddhist Community T. Sucharikul and Secretary General of the Office of the World Peace Envoy P. Towivich participated in the 6th Congress.
August 2019 and October 2021 – T. Sucharikul participated in the 18th and 19th meetings of the Secretariat of the Congress.
11 October 2023 – Secretary General of the World Fellowship of Buddhists Montian Thananart participated in the 21st meeting of the Secretariat of the Congress of Leaders of World and Traditional Religions.
8–9 October 2024 – the World Fellowship of Buddhists participated in the regular meeting of the Secretariat of the Congress.
16–18 September 2025 – President of the World Fellowship of Buddhists P. Thayarry and the Secretary General of the World Fellowship of Buddhist Youth participated in the 8th Congress of Leaders of World and Traditional Religions.