Note 139 — Chapter XXIX · RETROSPECTION AND PROSPECTION.
Reading edition
From the year 1500 to 1860 the number of slaves imported from Africa were as follows:
Number of Negroes imported into America per annum.Total.
From 1500 to 152550012,500
From 1525 to 15505,000125,000
From 1550 to 160015,000750,000
From 1600 to 165020,0001,000,000
From 1650 to 170035,0001,750,000
From 1700 to 175060,0003,000,000
From 1750 to 180080,0004,000,000
From 1800 to 185065,0003,250,000
Total, 350 years13,887,500
From 1850 to 1860, increase for decade749,931
Total importation of Negro slaves into America during a period of 360 years14,637,431
or about 15,000,000 in round numbers.
The above figures are taken from Mr. Dunbar's Mexican Papers. The process by which he reaches his conclusions and secures his figures is rather remarkable.