What has the most developed economy in Africa?

The most developed economy in Africa is South Africa. It is the richest country in Africa in terms of GDP, having a GDP of over $350 billion. South Africa is also the most industrialized country in Africa and is home to a number of major industries, including mining, manufacturing, and finance. The country also has a well-developed infrastructure and a strong legal system. South Africa is a member of the G20 and is the only African country to be included in this group of leading world economies.