Chad Basin demand for ivory, but stocks have since recovered. The seasonal Korama River in the south of Niger does not reach Lake Chad. Nigeria includes two sub-basins that drain into Lake Chad. The Hadejia - Jama'are - Yobe sub-basin in the north contains the Hadejia and Jama'are rivers, which supply the Hadejia-Nguru wetlands. They converge to form the Yobe, which defines the border between Niger and Nigeria for , flowing into Lake Chad. About of water reaches Lake Chad annually. Construction of upstream dams and growth in irrigation have reduced water flow, and the floodplains are drying up. The Yedseram -
Nigeria her husband and domestic violence are common. Women have less land rights. Maternal mortality was at 814 per 100,000 live births in 2015. Female genital mutilation is common. In 2015, there was a federal ban. In Nigeria, at least half a million suffer from vaginal fistula, largely as a result of lack of medical care. Early marriages can result in fistula. Most workers in the informal sector are women. Nigeria The Federal Republic of Nigeria, commonly referred to as Nigeria (), is a federal republic in West Africa, bordering Niger in the north, Chad in the northeast, Cameroon in the