How Many Countries in Southeast Asia are Party to the Convention?
All ten of the ASEAN countries have ratified or acceded to the Convention. The Philippines was the first country to ratify the Convention in 1981, followed in the next decade by Lao PDR, Vietnam, Indonesia, and Thailand. Cambodia, Malaysia, Singapore and Myanmar became States parties in the 1990s, while Brunei Darussalam acceded in 2006. In addition, Timor-Leste, a non-ASEAN country, acceded to the Convention in April 2003.