Mexico's 40-Hour Week Starts January 1, 2027: What Changes in Payroll Before the Hours Do

On January 1, 2027, Mexico's legal workweek drops from 48 to 46 hours, the first of four annual cuts to 40 in 2030. Salaries cannot fall, so the cost per hour rises 4.3% on day one and 20% by the end. The schedule, the new overtime rules, and the math.