Asian Americans face the worst discrimination in rising to the management class! (first chart)
Yet Asian Americans have the highest educational attainment, an important qualification for management.
The average rate of improvement over the last 6 years is so slow that it will take 75 years or three generations to reach equal opportunity.
Source of those charts? Government data. Indeed, EEOC has seen the first chart and replied "consistent with our calculations."
For more information, see Break The Glass Ceiling by 80-20 Education Foundation.