The chart above is from the Civiqs Poll. They have questioned 119,022 registered voters between April 25th (2017) and July 2nd (2020). The chart shows the growth of support for the "Black Lives Matter" movement during that time span. The current support stands at 51% of registered voters, while only33% oppose the movement. Note that the growth has climbed significantly in the last couple of months.
The poll also questioned the people of each state on their support or opposition for the BLM movement. The charts below show the results for each state.
