Thailand is 3.6 times larger than Bangladesh.
Area: 143,998 km2 World Factbook
Population: 166,280,712 (July 2014) World Factbook
Bangladesh; officially the People's Republic of Bangladesh, is a country in South Asia. It is bordered by India to its west, north and east; Burma to its southeast and separated from Nepal and Bhutan by the Chicken’s Neck corridor. To its south, it faces the Bay of Bengal. Wikipedia
Area: 513,120 km2 World Factbook
Population: 67,741,401 (July 2014) World Factbook
Thailand, officially the Kingdom of Thailand, formerly known as Siam, is a country at the centre of the Indochina peninsula in Southeast Asia. Wikipedia