Fig. 1

Map of Nigeria showing the birth certification rates of children under-5 years across the 37 administrative states. Note: AB - Abia, AD - Adamawa, AK - Akwa Ibom, AN - Anambra, BA - Bauchi, BY - Bayelsa, BE - Benue, BO - Borno, CR - Cross River, DE - Delta, EB - Ebonyi, ED - Edo, EK - Ekiti, EN - Enugu, FC - Federal Capital Territory, GO - Gombe, IM - Imo, JI - Jigawa, KD - Kaduna, KN - Kano, KT - Katsina, KE - Kebbi, KO - Kogi, KW - Kwara, LA - Lagos, NA - Nasarawa, NI - Niger, OG - Ogun, ON - Ondo, OS - Osun, OY - Oyo, PL - Plateau, RI - Rivers, SO - Sokoto, TA - Taraba, YO - Yobe, ZA - Zamfara