30 April 1980: ECOWAS[6] (Economic Community of West African States): Benin, Burkina Faso, Cape Verde, Gambia, Ghana, Guinea, Guinea-Bissau, Ivory Coast, Liberia, Niger, Nigeria, Senegal, Sierra Leone, Togo
Holders of diplomatic and service category passports of Brazil, China, Cuba, Russia and Rwanda do not require a visa for a maximum period of 90 days. Nationals of any country with a diplomatic and service passports do not require a visa for a maximum period of up to 1 month. Nationals of China holding passports for public affairs do not require a visa for a maximum stay of 90 days.
Visa exemption agreement for diplomatic, service, official passports was signed with South Africa but not yet ratified.[7]
Visa on arrival
Nationals of the following 2 countries may apply for a visa on arrival for a maximum stay of 3 months.[8] Up until 9 March 2015, many countries were also eligible for visa on arrival:
1British Overseas Territories.
2 These countries span the conventional boundary between Europe and Asia.
3 Partially recognized.
4Unincorporated territory of the United States.
5 Part of the Kingdom of Denmark.
6Egypt spans the boundary between Africa and Asia.