From the earliest U.S. population statistics in 1780 until 1910, more than 90% of the African-American population lived in the American South. By the end of the Great Migration, just over half of the African-American population lived in the South, while a little less than half lived in the North and West. Moreover, the African-American population had become highly urbanized. In 1900, only one-fifth of African Americans in the South were living in urban areas. By 1960, half of the African Americans in the South lived in urban areas, and by 1970, more than 80% of African Americans nationwide lived in cities. In 1991, Nicholas Lemann wrote: