Nadjia Yousif, BCG’s chief diversity officer, explains how an inclusive workforce creates happier employees who are more likely to stay—and she has the numbers to back her up.

Executives and leadership extol the virtues of teamwork. Inclusion is just that—the feeling of being part of something larger than yourself. Nadjia Yousif says that if people feel included, they will be happy, feel a greater sense of well-being, and stick around. This is not fluffy conjecture but a core finding of a BCG survey of 27,000 employees in 16 countries.