Legalizing the retail production and sale of cannabis in the United States would yield over $3 billion in annual tax revenue, according to an analysis published this week by the personal finance website, NerdWallet.com. Based on existing market projections, California would gain the largest amount of annual tax revenue ($519,287,052) were commercial cannabis production and sales to be legalized for adults. Other top tax revenue generating states include: New York ($248,103,676), Florida ($183,408,640), Texas ($166,303,963), and Illinois ($126,107,360).