The number of respondents to the online survey who said they had carried a gun in the last month also nearly doubled from 9 million to 16 million in 2015.
Between 2015 and 2019, the number of gun owners carrying a handgun daily doubled as more gun owners say they are concerned about self-protection, according to a study.
The number of Americans who leave their homes with a pistol or revolver on their person jumped from approximately three million in 2015 to six million in 2019, according to a study conducted by University of Washington researchers.