File talk:African Slave Trade.png
What are numbers this is based on?
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Is there a reference to a table of numbers is this map based on?
It appears to contradict information in the https://en.wikipedia.org/wiki/Atlantic_slave_trade article k(sorry for raw URL) that the slave trade from Africa to Muslim empires was fairly large, though not as large as the Atlantic slave trade:
"Current estimates are that about 12 million to 12.8 million Africans were shipped across the Atlantic over a span of 400 years. The number purchased by the traders was considerably higher, as the passage had a high death rate with approximately 1.2–2.4 million dying during the voyage and millions more in seasoning camps in the Caribbean after arrival in the New World.
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The Atlantic slave trade was not the only slave trade from Africa, although it was the largest in intensity in terms of number of humans over a unit of time.
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However, estimates are imprecise, which can affect comparison between different slave trades. Two rough estimates by scholars of the numbers African slaves held over twelve centuries in the Muslim world are 11.5 million and 14 million, while other estimates indicate a number between 12 and 15 million African slaves prior to the 20th century."
