Michigan voters pass Proposal 1 to bring medical cannabis to the Midwest; Massachusetts decriminalizes possession

On Election Day, November 4, 2008, cannabis reform broke out of the West and Northeast as Michigan voters approved Proposal 1 by a margin of 62.68% Yes (3,006,820 votes) to 37.32% No (1,790,889 votes), making Michigan the 13th state overall—and the first in the Midwest—to legalize medical marijuana. That same night, Massachusetts voters approved Question 2 with 65.09% Yes, replacing criminal arrest for possessing an ounce or less of cannabis with a $100 civil fine.

What Michigan’s Proposal 1 allowed

The Michigan Medical Marihuana Act (MMMA) won a majority in every single one of Michigan’s 83 counties and took effect on December 4, 2008:

• Possession and home cultivation: Registered patients could possess up to 2.5 ounces of usable cannabis and cultivate up to 12 plants in an enclosed, locked facility.
• Caregiver system: Patients could designate a primary caregiver, who could assist up to five registered patients and cultivate up to 12 plants per patient.

Why the 2008 votes mattered

Between 2000 and 2008, seven additional states had adopted medical cannabis laws through a mix of ballot initiatives and legislative votes—including Vermont and Montana in 2004, Rhode Island in 2006, and New Mexico in 2007. Michigan’s 25-point margin in a major industrial swing state, paired with Massachusetts’s 30-point decriminalization victory, set the stage for both states to legalize full adult-use cannabis inside the next decade.