https://www.siliconvalley.com/2025/04/04/unions-share-of-california-construction-jobs-at-record-low/

Unions are losing their clout in California’s construction industry.

My trusty spreadsheet, filled with numbers from UnionStats.com that track federal labor movement data back to 1983, found 129,800 unionized construction workers across the state last year — the lowest since 2014.