wage differential; wage gap
Refers to the difference in wages between groups, such as by gender, region, or industry. Often used in economic and social discussions.
The wage gap between men and women is still large.
This survey analyzes wage differentials by industry.
所得格差 refers to income inequality more broadly, while 賃金の格差 specifically focuses on wage differences.
A more specific term for the gender wage gap, often used in policy contexts.
Compound of 賃金 (wages) + の (possessive particle) + 格差 (gap/differential). The term is a straightforward modern construction.