The California Constitution is the fundamental governing document of the state of California.
Background
The current (and second) California Constitution was adopted in 1879.
The current constitution has been amended over 516 times.
The most recent amendments to the California Constitution, of which there were two, were approved by voters in 2020.
California has a process for initiated constitutional amendments, which means constitutional amendments can happen through citizen initiatives, legislatively referred constitutional amendments, or constitutional conventions.