: questions and answers
Sex refers to a person’s biological status and is typically assigned at birth, usually on the basis of external anatomy. Sex is typically categorized as male, female or intersex.
Gender is often defined as a social construct of norms, behaviors and roles that varies between societies and over time. Gender is often categorized as male, female or nonbinary.
Gender identity is one’s own internal sense of self and their gender, whether that is man, woman, neither or both. Unlike gender expression, gender identity is not outwardly visible to others.
For most people, gender identity aligns with the sex assigned at birth, the American Psychological Association notes. For transgender people, gender identity differs in varying degrees from the sex assigned at birth.