The Summit of Leaders, which is generally held every 3 years, is the highest forum in the Greater Mekong Subregion program and culminates in a joint statement signed by the heads of government of member countries. The summit is an opportunity to examine how global trends are affecting the subregion; the progress that has been made in cooperation and integration; and the best strategy for moving forward in the years ahead.
| Event | Date | Venue/Country |
|---|---|---|
| 7th GMS Summit of Leaders | 9 September, 2021 | Cambodia (host) via video conferencing Read the Joint Declaration |
| 6th GMS Summit of Leaders | 31 March, 2018 | Ha Noi, Viet Nam Read the Joint Declaration |
| 5th GMS Summit of Leaders | 19-20 December, 2014 | Bangkok, Thailand Read the Joint Declaration |
| 4th GMS Summit of Leaders | 19-20 December, 2011 | Nay Pyi Taw, Myanmar Read the Joint Declaration |
| 3rd GMS Summit of Leaders | 30-31 March, 2008 | Vientiane, Lao People's Democratic Republic Read the Joint Declaration |
| 2nd GMS Summit of Leaders | 4-5 July, 2005 | Kunming, Yunnan, People's Republic of China Read the Joint Declaration |
| 1st GMS Summit of Leaders | 3 November, 2002 | Phnom Penh, Cambodia Read the Joint Declaration |