Korea continues to be the nation with the largest income gap between men and women among OECD countries.
Korea's gender income gap in 2012 stood at 37 percent, the highest among 11 countries whose figures were compiled.
That means Korean women are paid only 63 percent of what males earn on average.
Korea has remained top of the list for 13 straight years from the year 2000.
By country, Japan came second with a gender wage gap of 27 percent, followed by the U.S., Canada and the UK.
The remaining 23 OECD members have yet to compile their figures.