Michigan voter initiatives

Michigan voter initiatives are based on a constitutional amendment approved by voters in 1908, establishing initiative and referendum powers.

The signature requirement is based on the votes for citizen-initiated measures was based on votes cast for governor in 2018. In 2020, the following numbers of signatures were required in Michigan:

• 425,059 voter signatures for constitutional amendments;
• 340,047 voter signatures for state statutes; and
• 212,529 voter signatures for veto referendums.