Korea had a 22.4 percentage point gender gap in workforce participation rates last year, the fourth-widest in the OECD, according to a report from the Paris-based club of rich countries. Korea’s male economic participation rate was 77.6 percent and the female rate was 55.2 percent. Turkey had the biggest gender gap, with 43.5 percentage points, while Finland had the smallest, with 4.0 percentage points.