Race and ethnicity in the United States: Ancestry Analysis of population

Fifteen largest ancestries in the United States as self reported in the 2000 Census:

Reference 1: Green: population. Orange: Percent of total population.

Reference 2: U.K. (1801–1922), German, Irish, African, English, American, Mexican, Italian, Polish, French, Native American and Alaskan Native, Scottish, Dutch, Norwegian, Scotch-Irish.

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