Population of largest city clusters in Africa 2021
The Egyptian area of Cairo‑Alexandria‑Suhag was the largest city cluster in Africa as of 2021. Considering the over 1,000 cities that are part of the cluster (cities with over 30,000 residents that are within 100 kilometers' distance, adding up to a population of over 2.5 million), the area counted around 92 million inhabitants. The clusters of Lagos‑Ibadan‑Cotonou and Onitsha‑Uyo‑Port Harcourt in Nigeria followed, accounting for approximately 46 million and 43 million residents, respectively.