Both states legalize recreational use and possession for adults over the age of 21. However, public consumption is still prohibited.In 2012, Colorado and Washington state became the first states to vote to legalize marijuana for recreational purposes. Where marijuana is legal in the United States including a map and table of the year each state legalized medical and adult-use markets. This document reviews each legalization state's adult-use cannabis tax structure, population, and year-by-year adult-use cannabis tax revenue. Legalization of recreational marijuana makes that conduct fully lawful.