ASEAN Majors Country Population (2016, millions) GDP (nominal 2016) (millions of US dollars) GDP (nominal per capita) (US dollars) GDP (PPP 2017) (millions of US dollars) GDP (PPP per capita) (US dollars) Indonesia 261.1 $932,448 $3,640 $3,257,123 $12,432 Thailand 68.9 $406,949 $5,939 $1,226,407 $17,749 Philippines 103.3 $304,696 $2,982 $878,980 $8,270 Singapore 5.6 $296,967 $53,431 $514,837 $90,724 Malaysia 31.2 $296,359 $9,360 $922,057 $28,636 Vietnam 94.6 $201,326 $2,173 $648,234 $6,925 Six majors refers to the six largest economies in the area that are many times larger than the remaining four ASEAN countries: