The demographics of Korea are characterized by a population of approximately 51 million people, primarily concentrated in urban areas. The capital city, Seoul, is the largest city and serves as a cultural and economic hub. The population is predominantly Korean, with a small percentage of foreign residents, including individuals from China, Vietnam, and the United States. Korea has a low birth rate, leading to an aging population. The median age is around 43 years, and the country faces challenges related to workforce sustainability and social services for the elderly. Efforts are being made to address these demographic shifts through policies that encourage family growth and immigration.