SAN JOSE (KCBS) – The start of the new year has brought about a welcome boost for low-wage workers in both San Jose and San Francisco, with a hike to the minimum wage in both cities.

San Jose’s voter-approved minimum wage hike not only raised the city’s lowest salaries to $10 an hour, it pegged the minimum wage to the consumer price index.

READ MORE: UPDATE: Pleasant Hill In-N-Out Burger Shut Down for Repeatedly Defying COVID Health Order

So on January 1 – and every New Year’s Day – the minimum wage readjusts, on Wednesday going up 15 cents.

The city law was co-written by San Jose State University Sociology Professor Scott Myers-Lipton, who said other cities could follow suit this year.

READ MORE: Google Ads Gain Fuels 3rd Quarter Profit For Parent Company Alphabet

“This idea of a citywide minimum wage is one that has bipartisan support,” he said. “And that’s why it’s going to spread around this country.”

Meanwhile, San Francisco’s voter-approved ordinance will increase the minimum wage by 19 cents, to $10.74 an hour. San Francisco and San Jose are the only two cities in California that have these inflation-bases raises for minimum wage workers.

A statewide minimum wage hike takes effect in July, raising worker salaries from $8 to $9 an hour.

MORE NEWS: San Francisco Chinatown Businesses Targeted In ADA Lawsuits Getting Additional Legal Help

(Copyright 2014 by CBS San Francisco. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)