Nov 14 2022A Decade After Legalizing Marijuana, WA and CO Have Garnered Almost $5 Billion in New Tax Revenue10 years ago Washington State and Colorado, on the same night, became the first states to legalizing marijuana.According to data released by the Colorado Department of Revenue and the Washington State Liquor and Cannabis Control Board, the combined total tax revenue garnered from legal marijuana sales between the two states is $4.9 billion.In Washington State, although total marijuana sales are lower than Colorado at $9,583,647,462, their revenue garnered from taxes is higher at $2,600,919,507.This is due to Washington having a higher marijuana tax rate.Although Washington and Colorado’s marijuana laws share some similarities, they do differ in the fact that Washington is one of the only legal marijuana states to not allow adults to cultivate marijuana for personal use."