The Organisation for Economic Co-operation and Development (OECD) publication ‘Society at a Glance’ shows who works the longest among the 26 OECD memberssurveyed and a few non-OECD countries such as India, China and South Africa. Mexicans work the longest, at 595 minutes or 9 hours 55 minutes per day, but a lot of that is unpaid work such as cooking at home, cleaning, shopping, etc. The Japanese do the most paid work and the Danes the least. Indians do about eight hours of work per day, but a large part of it is unpaid work.
Also See | Who Works The hardest? (PDF)