Monthly cost in dollars for a couple if we consider price of food, car gasoline, electricity, water, garbage, heating, mobile, internet, clothing, rent, household supplies, electronics.

870 - Port Elizabeth, South Africa
893 - Kampala, Uganda
894 - Durban, South Africa
908 - Pretoria, South Africa
945 - Gaborone, Botswana
1065 - Johannesburg, South Africa
1159 - Cape Town, South Africa
1203 - Nairobi, Kenya
1235 - Antananarivo, Madagascar
1305 - Harare, Zimbabwe
1505 - Maputo, Mozambic
1339 - Lusaka, Zambia
1765 - Abidjan, Ivory Coast
2318 - Yaounde, Cameroun
2442 - Accra, Ghana
5758 - Luanda, Angola

Average : 1323$ per month.

Source : Numbeo.