Map: A look at marijuana laws across the U.S.

A look at U.S. marijuana laws

Updated 3:47 PM ET, April 30, 2015

Four states -- Alaska, Colorado, Oregon and Washington -- and Washington, D.C. have legalized marijuana for recreational use. Many other states allow some legal use of marijuana, primarily for medicinal purposes.

States that:

Allow recreational and medical use

Allow medical marijuana use

Click on each state for more details.

Sources: National Organization for the Reform of Marijuana Laws (NORML); National Conference of State Legislatures (NCSL)