The three modern economies in Africa that will be compared and contrasted are Nigeria, South Africa, and Kenya.

Nigeria is the largest economy in Africa, with a GDP of approximately $448 billion as of 2020. South Africa is the second-largest, with a GDP of around $386 billion, and Kenya is the third-largest, with a GDP of about $95 billion.

One key difference between these economies is their economic structures. Nigeria is heavily dependent on oil exports, with crude oil accounting for a significant portion of its GDP. South Africa, on the other hand, has a more diversified economy, with a strong emphasis on mining, manufacturing, and services. Kenya also has a diverse economy, with key sectors including agriculture, tourism, and services.

In terms of economic growth, Nigeria has experienced fluctuations due to its dependence on oil prices and ongoing security challenges. South Africa has also struggled with low economic growth, impacted by factors such as political instability and structural issues. Kenya, however, has been one of the fastest-growing economies in Africa, with an average annual GDP growth rate of around 5-6% in recent years.

Another key difference is in terms of foreign direct investment (FDI). Nigeria and South Africa have historically been the largest recipients of FDI in Africa, with South Africa attracting more FDI due to its relatively more stable political and economic environment. Kenya has also been attracting significant FDI, particularly in sectors such as technology and infrastructure.

In terms of infrastructure, South Africa has the most developed infrastructure among the three countries, with well-developed road, rail, and port networks. Kenya has also made significant investments in infrastructure in recent years, particularly in the transport sector. Nigeria, on the other hand, has faced challenges in infrastructure development, particularly in power supply and transportation.

Overall, each of these economies has its strengths and challenges. Nigeria is a major oil producer but faces economic and security challenges, South Africa has a more diversified economy but struggles with low growth, and Kenya is a fast-growing economy with significant potential but also faces infrastructure and governance challenges.