There have been studies on that very thing. https://www.washingtonpost.com/news/wonk/wp/2013/06/04/the-blackwhite-marijuana-arrest-gap-in-nine-charts/?utm_term=

There have been studies on that very thing. https://www.washingtonpost.com/news/wonk/wp/2013/06/04/the-blackwhite-marijuana-arrest-gap-in-nine-charts/?utm_term=.ccc367b06676 https://www.washingtonpost.com/news/wonk/wp/2013/06/04/the-b... If you look, Figures 21 and 22 show usage rates to be about the same. However, if you look down at Figure 10, you'll see a huge disparity in arrest rates.