In Africa, the quality of the telecoms network is well below the world average in the vast majority of countries. There are nevertheless 11 African countries in the world Top 100, including Mauritius, Ghana and Morocco.
To find out more: https://www.agenceecofin.com/telecom/0309-91163-les-pays-dafrique-avec-la-meilleure-qualite-de-reseau-telecoms