By Keith Humphreys for About News. In a few weeks, many people will convene in New York City for the Cannabis Science and Policy Summit. They will be from different countries and will include economists, attorneys, policy analysts, journalists, physicians and politicians. But they will overwhelming have one thing in common: Almost none of them will be from the segment of society in which almost all marijuana in the U.S. is consumed.
The chart above is based on the analytic work by Professor Jonathan Caulkins using data from the National Survey on Drug Use and Health. The color bands represent the different educational strata in the U.S.; the bigger the band the more marijuana use the people in that band account for.