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Staff Publications

Overview and History of Statewide Ballot Measures

Elections & Redistricting
State Government

This memorandum provides an overview of the statewide ballot measure process; a summary of the measures approved or rejected by Colorado voters between 1880 and 2021; and links to additional resources at the offices of the Colorado Legislative Council Staff and the Colorado Secretary of State.

The effective date for bills enacted without a safety clause is August 7, 2024, if the General Assembly adjourns sine die on May 8, 2024, unless otherwise specified. Details