Thailand is one of the ASEAN founders. With a population of over 67.6 million in 2017 and the second largest GDP in Southeast Asia after Indonesia (455.7 billion USD), Thailand is an important key player in the region. In 2017, Thailand’s GDP per capita of USD 6,735 is the fourth in ASEAN region. Thailand’s economy is driven mainly by two sectors: industry and agriculture. Central of the government and business is in Bangkok, which is the capital city. Thai is the official language; however, English is gaining in importance and is widely used in business and industry nowadays.
 ASEAN Secretariat. ASEAN Statistical Leaflet 2018