Its neighbors include Cameroon and Chad to the east, Niger to the north, and Benin to the west. Nigeria is a very important country in Africa as it exports oil all over the world. Agriculture and industry make up the majority of Nigeria's economic activity. It is estimated that women represent 60-80% of the agricultural workforce and produce approximately two-thirds of food crops. Nigeria's population currently exceeds 110 million. Almost 50% of the country's population is made up of women. Within Nigeria there are approximately 250 different ethnic groups who speak nearly 4,000 dialects. Its religions are: Islam (50%), Christianity (40%) and traditional beliefs (10%). Ethnic problems have been common among various tribal groups. Furthermore, religious unrest occurred between the northern and southern regions