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Staff Publications

Overview and History of Statewide Ballot Measures

Subjects
Elections & Redistricting
State Government
Published
12/16/2021

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 6, 2025, if the General Assembly adjourns sine die on May 7, 2025 (unless otherwise specified). Details

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