How many member countries are there in ASEAN?
A. 10
B. 11
C. 12
D. 13
As of 2010, the Association of Southeast Asian Nations (ASEAN) has 10 member states and one observer state. ASEAN was founded on 8 August 1967 with five members: Indonesia, Malaysia, the Philippines, Singapore, and Thailand. || Membership. 10 States ― Brunei Darussalam, Cambodia, Indonesia, Laos, Malaysia, Myanmar, Philippines, Singapore, Thailand, and Vietnam. 1 Observer – Papua New Guinea.