Participating countries in the  ASEAN Regional Forum  (ARF)

1 Australia 2 Bangladesh 3 Brunei Darussalam 4 Cambodia 5 Canada 6 China 7 European Union 8 India 9 Indonesia 10 Japan 11 Democratic People's Republic of Korea (North Korea) 12 Republic of Korea (South Korea ) 13 Laos 14 Malaysia 15 Mongolia 16 Myanmar 17 New Zealand 18 Pakistan 19 Papua New Guinea 20 Philippines 21 Russian Federation 22 Singapore 24 Sri Lanka 25 Timor Leste 26 Thailand 27 USA 28 Vietnam 29 ASEAN Secretariat