As of April 2020, 19 states and the District of Columbia have enacted a red flag law. The states that added red flag legislation since 2018 are: Florida, Vermont, Maryland, Rhode Island, New Jersey, Delaware, Massachusetts, Illinois, District of Columbia, New York, Colorado, Nebada, Hawaii, New Mexico, and Virginia. Other state legislatures have proposed legislation, which has either been stalled, defeated, or vetoed. These states are Arizona, North Carolina, Ohio, Tennessee, Pennsylvania, Michigan, Nebraska, Kentucky, and New Hampshire. Oklahoma is the only U.S. state that has an anti-red flag law. In 2020, Oklahoma passed this law that specifically “prohibits the state or any city, county, or political subdivision from enacting red flag laws.”