➀ According to the OECD, a male worker in South Korea earned 29.3% more than his female counterparts in 2023; ➁ In Japan, the gender wage gap was 22%; ➂ In the US, the wage gap was around 16%; ➃ The OECD average for the year stood at around 11%; ➄ Among highly developed countries, New Zealand had one of the smaller gender wage gaps at 4.2%.