1) Gender inequality, or gender discrimination, refers to unequal treatment and unfair rights between males and females based on gender roles.
2) Gender inequality affects populations, education, and the economy. Imbalances in birth rates between males and females can impact security and social order. Lower female education negatively impacts economic growth by lowering human capital.
3) Solutions to address gender inequality include promoting gender-sensitive schools and curricula, empowering women's participation in the economy, and changing outdated social conceptions about gender roles through education and progressive attitudes.