"By collecting unpaid taxes from marijuana, it will bring in over $1 billion of revenue every year to help California."
Source: SOS Official Ballot Arguments and Rebuttals, Prop 64- 2016-11-08
500,000,000–1,000,000,000 USD/year, net additional state and local tax revenue (pre-election LAO/AG projected range)
Source: California Secretary of State's Official Title, Summary, and Legislative Analyst's Analysis PDF for Proposition 64 · retrieved 2026-09-17
- 2026-06-30
1,046,800,000 USD/year, cannabis excise + cultivation tax revenue, annualized from Q2 2026
Source: California Department of Tax and Fee Administration · retrieved 2026-09-17
- 2026-06-30
8,400,000,000 USD, cumulative cannabis tax revenue, January 2018 – Q2 2026
Source: California Department of Tax and Fee Administration · retrieved 2026-09-17