The Democratic Republic of the Congo (DRC), also known as the DR Congo, Congo-Kinshasa, or simply the Congo or less often Zaire, is a country in Central Africa. By land area, it is the second-largest country in Africa and the 11th-largest in the world. With a population of around 124 million people, the Democratic Republic of the Congo is the fourth-most populous country in Africa and the most populous Francophone country in the world. French is the official and most widely spoken language, though there are over 200 indigenous languages, of which Lingala is the most widely spoken. The capital, largest city, and economic center is Kinshasa. The DRC is bordered by the Republic of the Congo, the Cabinda exclave of Angola, and the South Atlantic Ocean to the west; the Central African Republic and South Sudan to the north; Uganda, Rwanda, Burundi, and Tanzania to the east; and Zambia and Angola to the south.