Inequality; the state of being unfair or not having equal treatment or opportunities.
教育機会の不平等は社会問題になっている。
Inequality in educational opportunities has become a social problem.
男女の賃金が不平等であることは改善が必要だ。
The inequality in wages between men and women needs to be addressed.
税制の不平等を是正する政策が求められている。
Policies to correct inequalities in the tax system are being called for.