Belize , formerly known as British Honduras, is a Caribbean country located on the northeastern coast of Central America. Belize is bordered on the northwest by Mexico, on the east by the Caribbean Sea, and on the south and west by Guatemala. It has an area of 22,970 square kilometres (8,867 sq mi) and a population of 419,199 (2020). Its mainland is about 290 km (180 mi) long and 110 km (68 mi) wide. It has the lowest population and population density in Central America. The country's population growth rate of 1.87% per year (2018 estimate) is the second highest in the region and one of the highest in the Western Hemisphere.