As of 2009 what percentage of the U.S. population can trace their roots to Africa?

As of 2009, approximately 12.3% of the U.S. population identified as Black or African American, which largely reflects those with roots tracing back to Africa. This percentage includes individuals of African descent who have been in the United States for generations, as well as recent immigrants. Therefore, while the exact percentage of the entire U.S. population with African ancestry may be higher when considering mixed heritage, the primary identification stands around 12.3%.