The Western Australian minimum wage has been increased by 2.75 per cent to $746.90 per week starting next month.

The increase applies to employees who are paid the minimum wage or award rates in the state

industrial relations system; about 27,000 employers and more than 300,000 employees.

But UnionsWA said the increase wasn't enough to relieve financial pressure on working people and their families. Secretary Meredith Hammat said in real terms many people would go continue to go backwards.

Minimum wage workers will receive an extra 3 per cent. Credit:Michele Mossop

“An adult working full time on the WA minimum wage will now receive $749.90 per week, an extra $20 per week," she said.