The majority of Benin's population lives in the south. The population is young, with a life expectancy of 59 years. About 42 African ethnic groups live in this country; these various groups settled in Benin at different times and also migrated within the country.
CFA (Communauté Financière Africaine) Franc (XOF) = 100 centimes. Notes are in denominations of XOF10,000, 5,000, 2,000 and 1,000. Coins are in denominations of XOF500, 200, 100, 50, 25, 10, 5 and 1. Benin is part of the French Monetary Area.
Benin's climate is hot and humid. Annual rainfall in the coastal area averages 1,360 mm (53.5 in), not particularly high for coastal West Africa.