The proposed measure, which would impose a one-time 5% wealth tax on California billionaires, is opposed by Gov. Gavin Newsom and other top lawmakers in the state.

Californians will vote in November on a controversial proposal to impose a one-time tax on billionaires to help fund federal funding cuts to healthcare for low-income people.

Proposal to introduce one-time tax of 5% will go to voters in November after backers decline to withdraw measure

The ballot measure will decide if California will impose a one-time 5% tax on its billionaire residents, an idea that has been controversial.