Annual share of slaves who died during the Middle Passage 1501-1866

Estimated share of African slaves who did not survive the Middle Passage journey to the Americas each year from 1501 to 1866

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Release date



Africa, North America, Central and South America

Survey time period

1501 to 1866

Supplementary notes

Numbers were calculated using the source data, by determining the difference between the number who embarked on the journey but did not disembark in the Americas.

No release date given in the source. Data last accessed in August 2020.

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