What are the best college majors in terms of salary? Hint: No matter their interests, students won't go wrong taking as much math and science as possible.

These employees are less likely to report their disability and are less likely to be accommodated. And this makes them less satisfied with their jobs.

Data correlating job satisfaction with employee benefits are rife. Insurance companies regularly show that workers with leaner packages tend to think less of their employers; those with a wider range of available core and voluntary products think more of their employers.

There's a gender pay gap for millennials too -- and it means the typical 25-year-old woman is lagging substantially behind her male cohorts in preparing for retirement.