Sri Lanka has a diverse natural environment, culture, and economy. It has a population of over 21 million people, with the majority being Sinhalese. Sri Lanka gained independence from Britain in 1948 and has a presidential republic system of government. The main industries are tourism, tea, and apparel, and the economy is growing with foreign investment and trade. Sri Lanka also has a long history and engages in international relations with countries like India, China, and Western nations.