Languages - RTE Moscow :
General Information about Thailand
The official national language is Thai. It is a tonal language, uninflected and predominantly monosyllabic. Many polysyllabic words are borrowed, mainly from Khmer, Pali, or Sanskrit. Dialects are spoken in rural regions. Other languages spoken include Chinese and Malay. English, a mandatory subject in public schools, is widely spoken and understood, particularly in Bangkok and other major cities.
Source: Royal Thai Embassy, MoscowRead more: