█ ASEAN candidate member state
█ ASEAN observer state
██ ASEAN Plus Three
███ East Asia Summit
██████ ASEAN Regional Forum
As of 2010[update], the Association of Southeast Asian Nations (ASEAN) has 10 member states, one candidate member state, and one observer state.
ASEAN was founded on 8 August 1967 with five member states: Indonesia, Malaysia, the Philippines, Singapore, and Thailand. It is headquartered in Jakarta.