There is a link between primary commodity export prices and economic performance. Many African economies are primary commodities export biased, often in few primary commodities. Previous studies focus on the impact of commodity prices on growth in Africa with little attention paid to different primary commodities and level of diversification in primary commodities export. This study, investigates the effect of primary commodity prices on the long-run growth of 24 primary commodities-based African economies; by commodity types and level of diversification in primary commodities exports.