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.
The Voodoo Festival popularly known as the National Voodoo Dayis the major festival in Benin that attracts thousands of followers to Ouidah. The festival is held in January every year at a beach and people in colourful local dress dance, drum and pray while animals are slaughtered in rituals.
According to the 2002 census, 27.1 percent of the population of Benin is Roman Catholic, 24.4 percent Muslim (mainly Sunni), 17.3 percent Vodun, 5 percent Celestial Christian, 3.2 percent Methodist, 7.5 percent other Christian denominations, 6 percent other African Traditional Religion groups, 1.9 percent other religious groups, and 6.5 percent claim no religious affiliation.