Ghana
Ghana remains one of the most peaceful countries in West Africa with a good record of being the most democratic country in the region.
The country, popularly known as the Gateway to Africa, is also touted as a country with truly hospitable people. The country is also very safe to live in and work, especially for foreigners.
The standard of living in Ghana is also very low, while there are innumerable locations for sight-seeing and tourism. Ghana is surely a place you should consider for that retirement.