There are 45.3 million African Americans living in the United States and they represent 13.6% of the U.S. population, according to the U.S. Census Bureau. But only 5.7% of physicians in the United States self-identify as Black, despite multiple efforts over many years to increase the number of Black doctors. There are 45.3 million African Americans living in the United States and they represent 13.6% of the U.S. population, according to the U.S. Census Bureau. But only 5.7% of physicians in the United States self-identify as Black, despite multiple efforts over many years to increase the number of Black doctors. Education Phys.org – latest science and technology news stories