Social inequality is a popular global phenomenon at different level and scope.
Social inequality can be viewed in many dimensions, for example, the inequality
between social classes, nations, regions and gender so on. If viewing from
gender research and development, gender inequality is reflected through
politics, leader management and the rights to make decision, etc. And, the
income inequality between male and female is the most obvious. There are
various reasons explaining for this income inequality by gender (job types,
economic sectors, residence, types of business ownership…) Ideas on education
and investment in human capital were used for explaining the income inequality
by gender through this article.