African Americans in the United States from 1790 to 1910

The following chart of the African-American population in the United States over time shows that the African-American population, as a percentage of the total population, declined until 1930 and has been rising since then.

Reference 1: Population number of african-americans and Slaves.

Reference 2: 1790, 1800, 1810, 1820, 1830, 1840, 1850, 1860, 1870, 1880, 1890, 1900 and 1910.

Source: http://en.wikipedia.org/wiki/African_American