Thailand is a country.
Between 1945 and 1975 forest cover in Thailand declined from 61 percent to 34 percent of the country 's land area . Thailand . With a total area of approximately 513000 km2 , Thailand is the world 's 50th-largest country . It is the 20th-most-populous country in the world , with around 66 million people . It became a newly industrialised country and a major exporter in the 1990s .