Estimates by Patrick Manning are that about 12 million slaves entered the Atlantic trade between the 16th and 19th century, but about 1.5 million died on board ship.
根据帕特里克·曼宁的估算，在16-19世纪期间，约有1200万奴隶进入跨大西洋贩奴贸易，但有150万人死在船上。