In 2022, Nigeria’s GDP amounted to nearly $477.4 billion, which is rated as the highest in Africa. According to statistics provided by the World Population Review,ranked according to overall GDP, these are currently the top 10 richest countries in Africa. Nigeria: GDP – $440,834 billion:Earning the highest GDP in Africa, Nigeria takes the top spot as Africa’s largest economy. The country’s petrochemical industry contributes to its overall GDP positioning the nation as a major economic force in North Africa. The country also holds the status as the world’s largest exporter of phosphates, a critical mineral resource used in fertilizers.