South Korea has a population of over 48 million people and a capital and largest city of Seoul. It has a presidential republic government and official language of Korean. The country has a modern economy led by industries like electronics, automobiles, and shipbuilding. South Korea has strong economic and military ties with countries like the United States and also seeks to improve relations and trade with countries like India and China. Relations with North Korea remain tense due to ongoing conflicts over issues like North Korea's nuclear program.