boys tended to have lower self-esteem than girls but did not have signficant differences in their self-concept

levels of self-esteem in girls vs boys

Grinnell College

New York University

overall, males tend to have higher self esteem than females, especially throughout young adulthood, however the difference is not very large. 

gender and self esteem

Gender differences with self-esteem

Studies have shown that self-esteem is lower in sexual minority populations than heterosexual population. There is one main theory for this disparity:
-Minority Stress theory


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