Drug arrests by race, 1980, 1993, and 2009

1980 1993 2009
White (possession) 182.1 236.9 367.3
Black (possession) 341 843 1039.6
White (sale) 43.7 75.2 72.5
Black (sale) 163.9 507.8 311.6

Source: Author's calculation from Snyder (2011)

View the underlying data on epi.org.