Manning's estimate covers the 12 million who were originally destined for the Atlantic, as well as the 6 million destined for Asian slave markets and the 8 million destined for African markets.
曼宁的估算涵盖了1200万前往美洲的奴隶，以及600万送往亚洲市场的奴隶，800万送往非洲市场的奴隶。