After a surge in Americans' support for legal marijuana since the mid-2000s, the percentage in favor of it has been steady at 66% over the past year.| Gallup.com
The Gallup Poll Social Series (GPSS) is the primary method Gallup uses to update several hundred long-term Gallup trend questions, some dating back to the 1930s. The GPSS is designed to monitor U.S. adults' views on numerous social, economic, and political topics.| Gallup.com