Thailand is the world's 51st-largest country in terms of total area, with an area of approximately 513,000 km2 and is with around 64 million people. The capital city is Bangkok,About 75% of the population is ethnically Thai, 14% Thai Chinese, and 3% is ethnically Malay. the rest belong to minority groups , Khmers and various hill tribes. The country's official language is Thai. The primary religion is Buddhism, which is practiced by around 95% of the population.