The Colorado Constitution is the fundamental governing document of the state of Colorado.
Background
The current (and first) Colorado Constitution was adopted in 1876.
The current constitution has been amended 166 times.
The most recent amendments to the Colorado Constitution, of which there were three, were approved by voters in 2020.
Colorado has a process for initiated constitutional amendments, which means constitutional amendments can happen through citizen initiatives, legislatively referred constitutional amendments, or constitutional conventions.