Pew Research Center senior managers men hold more than 80% of board positions one-half of the labor force women make up 5.2% study senior management Pew Research senior-level executives Pew Fortune 500 company CEOs are women Chapter 1: Women in Leadership Pew Research Center 17% of leadership positions significantly lower than men corporate boards Pew Research Pew Research Center CEOs Pew Research only 5% of Fortune 500 CEOs are women senior managers 20% of Congress Pew data indicates Women in Leadership (Pew Research Center) Pew study One quarter Pew Research Center senior managers one-half of the labor force Pew Research Center HTML Pew Research Center One quarter 17% of leadership positions men hold more than 80% of board positions one-half of the labor force 22 percent One in five Pew Research Center lack of women CEOs one-half of the labor force an even smaller number of governors Pew Research picked up significantly recent Pew report 1桁 one-half of the labor force make up according to Pew Research One in five