Based on first-of-its-kind Census data, the report by Georgetown University in Washington also found that majors are highly segregated by race and gender.
College graduates overall make 84 percent more over a lifetime than those with only high school diplomas, the study said. But further analysis of 171 majors shows that various undergraduate majors can lead to significantly different median wages.
Petroleum engineering majors make about $120,000 a year, compared with $29,000 annually for counseling psychology majors, researchers found. Math and computer science majors earn $98,000 in salary while early childhood education majors get paid about $36,000.