Maurice Info Search This issue of the Economic and Social Indicators (ESI) on wage rate index presents data for the first quarter of 2021 using as base the fourth quarter of 2016 (Q 2016=100). The Wage Rate Index (WRI) measures changes in the price of labour, i.e., changes in the average rates actually paid by employers to their employees for work during normal working hours.Wage Rate index for 1st Quarter 2021 Partager :