A gender gap is a disparity between genders involving quality or quantity. Though some gender gaps are controversial, especially for the disfavored gender, it is not to be confused with sexist stereotypes. A classic example of a gender gap is the difference in pay between men and women for the same job responsibilities.

Gender gaps favoring males

• A man has more muscle mass than a woman of the same size.
• An average man is taller than an average woman. (See sexual dimorphism)
• Men have more privileges in many religious organizations.
• Male students get higher SAT college entrance test scores, primarily on the mathematics portion of the test.
• In China and India, female fetuses are often aborted, especially in the former country, due to one-child policy.
• The median male income is higher than the median female income despite the Equal Pay Act .
• Health insurance is less expensive for young and middle aged men.

Gender gaps favoring females

• Women live slightly longer than men in most countries (a notable exception is Afghanistan).
• Automobile insurance companies charge more for teenage boys than their female counterparts, but this gender gap has narrowed gradually through out the years.
• Life insurance is higher for males than for females, but life insurance is eligible up to the age of 85.
• Women are less likely to be in prison. However, the female prison population increases at a higher rate than the male prison population.
• Men have more responsibilities in many religious organizations.
• Women are not required to register with the Selective Service in the United States

Gender gap examples favoring neither males nor females

• In the United States, women vote disproportionately for the Democratic Party.
• Women were more likely to oppose the 2003 Invasion of Iraq.
• Video games are a traditionally male hobby.
• Most sports are traditionally male.