Mexico is 1st and Canada is 4th. U.S. is below average.
This is coming from: Who’s busiest: working hours and household chores across OECD published on OECD site.
The overall picture
“Mexicans work longer days than anyone else in OECD countries, devoting 10 hours to paid and unpaid work, such as cleaning or cooking at home. Belgians work the least, at 7 hours, compared with an OECD average of 8 hours a day.”
“These are among the insights in the latest edition of Society at a Glance, which gives an overview of social trends and policy developments in OECD countries. Using indicators taken from OECD databases and other sources, it shows how societies are changing over time and compared with other countries.”