Koreans worked 2,163 hours on average in 2013, the second most among the 34 member states in the Organization for Economic Cooperation and Development, according to an OECD report on Monday.
Mexico had the most hours worked with 2,237 hours, while the Netherlands boasted the shortest time with 1,380 hours. The OECD average was 1,770 hours.
Koreans worked 1.3 times longer than the OECD average and 1.6 times longer than the Dutch.
Japan also logged less hours than Korea with 1,735 hours.
Korea topped the list in 2000 with 2,512 hours and remained in the top position for eight consecutive years until 2007. In 2008, average hours worked dropped to 2,246 and Korea fell to second place behind Mexico's 2,260, and has remained there ever since.