Proportion of black scientists in the United States

The proportion of black scientists in the United States is 2.5. According to figures provided by the U.S. Census Bureau, black people account for 13.2% of the U.S. population, but there are only 1.1 black professors in colleges and universities, only 1.8 black students with doctoral degrees, 2.7 master's students, and only 2.5 black scientists and engineers. , 1.8% of scientific research department managers are black.