In Nigeria, there are 12 states that apply Sharia law in both civil and criminal cases. These states are Zamfara, Kano, Sokoto, Katsina, Bauchi, Borno, Jigawa, Kebbi, Yobe, Kaduna, Niger and Gombe.
According to the CIA World Factbook: Nigeria is about 53.5% Muslim, 45.9% Christian, .6% other...