Since 1892, Idaho voters have decided on 228 state ballot measures. Of those, 162 (71%) were approved, and 66 (29%) were defeated.
In Idaho, the state legislature can refer constitutional amendments and advisory questions to the ballot, while citizens can initiate state statutes and veto referendums. The Idaho State Legislature referred 189 measures to the state ballot, including 185 constitutional amendments and four advisory questions. Voters decided on 31 initiated state statutes and seven veto referendums. Voters also decided on one constitutional convention referral.
Legislatively referred measures have had better success at the ballot box than citizen-initiated measures. Legislatively referred measures were approved 76% of the time, as compared to 47% for ballot initiatives.
