Number of slaves taken from various regions of Africa by destination 1501-1866

Throughout the history of the transatlantic slave trade, approximately 5.7 million of the 12.5 million African slaves who embarked on slave ships did so in ports along the region of West Central Africa and St. Helena; of these 5.7 million, almost 3.9 million were destined for Brazil. This region was also the most common point of origin for slaves destined for the Spanish and Dutch Americas, and French colonies in the Caribbean. The majority of slaves destined for British colonies in the Caribbean were taken from ports along the Bight of Biafra or the Gold Coast, while the regions of Senegambia and nearby Atlantic islands was the most common for slaves destined for mainland North America. This data refers only to the number of slaves who embarked on ships in Africa, and not the number who disembarked; it is estimated that approximately 14.5 percent of slaves who embarked on ships destined for the Americas died during the Middle Passage.

在横跨大西洋的奴隶贸易史上，大约有570万在1250万非洲奴隶中踏上奴隶船的奴隶，他们在西非中部地区和圣赫勒拿岛的港口登船；在这570万奴隶中，近390万人被运往巴西。该地区也是前往西班牙和荷兰美洲以及加勒比海法国殖民地的奴隶最常出发地。前往加勒比海英国殖民地的多数奴隶则来自比夫拉湾或黄金海岸的港口，而塞内加尔-冈比亚地区及其附近的北大西洋岛屿是前往北美大陆的奴隶最常出发的地区。此数据仅指在非洲登船的奴隶人数，而不包括下船的人数；据估计，大约有14.5%的踏上前往美洲的船只的奴隶在“中程”途中丧生。