Guns

The Largest-Ever Survey of American Gun Owners Finds That Defensive Use of Firearms Is Common

The results also confirm that "assault weapons" and "large capacity" magazines are widely used for lawful purposes.

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The largest and most comprehensive survey of American gun owners ever conducted suggests that they use firearms in self-defense about 1.7 million times a year. It also confirms that AR-15-style rifles and magazines that hold more than 10 rounds, frequent targets of gun control legislation, are in common use for lawful purposes, which the Supreme Court has said is the test for arms covered by the Second Amendment.

The online survey, which was conducted by Centiment in February and March of 2021, was based on a representative sample of about 54,000 adults, 16,708 of whom were gun owners. Georgetown University political economist William English, who commissioned the survey as part of a book project, presents its major findings in a recent paper available on the Social Science Research Network.

The overall adult gun ownership rate estimated by the survey, 32 percent, is consistent with recent research by Gallup and the Pew Research Center. So is the finding that the rate varies across racial and ethnic groups: It was about 25 percent among African Americans, 28 percent among Hispanics, 19 percent among Asians, and 34 percent among whites. Men accounted for about 58 percent of gun owners.

Because of the unusually large sample, the survey was able to produce state-specific estimates that are apt to be more reliable than previous estimates. Gun ownership rates ranged from about 16 percent in Massachusetts and Hawaii to more than 50 percent in Idaho and West Virginia.

The survey results indicate that Americans own some 415 million firearms, including 171 million handguns, 146 million rifles, and 98 million shotguns. About 30 percent of respondents reported that they had ever owned AR-15s or similar rifles, which are classified as "assault weapons" under several state laws and a proposed federal ban. Such legislation also commonly imposes a limit on magazine capacity, typically 10 rounds. Nearly half of the respondents (48 percent) said they had ever owned  magazines that can hold more than 10 rounds.

Those results underline the practical challenges that legislators face when they try to eliminate "assault weapons" or "large capacity" magazines. The survey suggests that up to 44 million AR-15-style rifles and up to 542 million magazines with capacities exceeding 10 rounds are already in circulation.

Those are upper-bound estimates, since people who reported that they ever owned such rifles or magazines may have subsequently sold them. But even allowing for some double counting, these numbers suggest how unrealistic it is to suppose that bans will have a significant impact on criminal use of the targeted products. At the same time, widespread ownership of those products by law-abiding Americans makes the bans vulnerable to constitutional challenges.

Two-thirds of the respondents who reported owning AR-15-style rifles said they used them for recreational target shooting, while half mentioned hunting and a third mentioned competitive shooting. Sixty-two percent said they used such rifles for home defense, and 35 percent cited defense outside the home. Yet politicians who want to ban these rifles insist they are good for nothing but mass murder.

Owners of "large capacity" magazines likewise cited a variety of lawful uses. Recreational target shooting (64 percent) was the most common, followed by home defense (62 percent), hunting (47 percent), defense outside the home (42 percent), and competitive shooting (27 percent).

Politicians who favor a 10-round limit argue that no one except for criminals and police officers really needs a larger magazine. Yet respondents described various situations, based on their personal experiences, where "it would have been useful for defensive purposes to have a firearm with a magazine capacity in excess of 10 rounds." These ranged from muggings and home invasions by multiple attackers to encounters with wild animals.

Maybe these gun owners were wrong to think the ability to fire more than 10 rounds without reloading was important in those situations. But judging from the responses that English quotes, they had cogent reasons for believing that. Bans on "large capacity" magazines routinely exempt current and retired police officers, on the theory that they are especially likely to face threats (such as multiple assailants) that may require more than 10 rounds. It strains credulity to suggest that ordinary citizens never face such threats, and this survey provides further reason to doubt that assumption.

Thirty-one percent of the gun owners said they had used a firearm to defend themselves or their property, often on multiple occasions. As in previous research, the vast majority of such incidents (82 percent) did not involve firing a gun, let alone injuring or killing an attacker. In more than four-fifths of the cases, respondents reported that brandishing or mentioning a firearm was enough to eliminate the threat.

That reality helps explain the wide divergence in estimates of defensive gun uses. The self-reports of gun owners may not be entirely reliable, since they could be exaggerated, mistaken, or dishonest. But limiting the analysis to cases in which an attacker was wounded or killed, or to incidents that were covered by newspapers or reported to the police, is bound to overlook much more common encounters with less dramatic outcomes.

About half of the defensive gun uses identified by the survey involved more than one assailant. Four-fifths occurred inside the gun owner's home or on his property, while 9 percent happened in a public place and 3 percent happened at work. The most commonly used firearms were handguns (66 percent), followed by shotguns (21 percent) and rifles (13 percent).

Based on the number of incidents that gun owners reported, English estimates that "guns are used defensively by firearms owners in approximately 1.67 million incidents per year." That number does not include cases where people defended themselves with guns owned by others, which could help explain why English's figure is lower than a previous estimate by Florida State University criminologists Gary Kleck and Marc Gertz. Based on a 1993 telephone survey with a substantially smaller sample, Kleck and Gertz put the annual number at more than 2 million.

Although less than one in 10 of the defensive gun uses identified by English's survey happened in public places, most of the respondents (56 percent) said they had carried handguns for self-defense. More than a third (35 percent) said they did so "sometimes," "often," or "always or almost always." About the same percentage reported that they had wanted to carry handguns in circumstances where local rules prohibited it.

At the time of the survey, the ability to legally carry handguns in public varied widely across jurisdictions. Some states had highly restrictive laws that gave local officials wide discretion to reject carry permit applications, a policy that the Supreme Court recently deemed unconstitutional. Even after that ruling, some states plan to enforce licensing requirements and/or location restrictions that make it difficult for residents to carry handguns for self-defense. Depending on your perspective, the results of this survey demonstrate either the wisdom or the injustice of that strategy.

English's survey also asked about incidents in which respondents believed that the visible presence of a gun had neutralized a potentially violent threat. He says that category would include, for example, "a situation in which a combative customer calmed down after noticing that shop owner had a handgun on his or her hip, or a situation in which a trespasser cooperatively left a property when questioned by a landowner who had a rifle slung over his or her shoulder, or a situation in which a friend showed up with a firearm to help [defuse] a dangerous situation."

Nearly a third of gun owners reported such incidents, and some said they had witnessed them more than once. English says the results imply "approximately 1.5 million incidents per year [in] which the presence of a firearm deterred crime." That estimate, of course, depends on the respondents' subjective impressions, so it is probably less reliable than the estimate of explicit defensive uses, which itself is open to the usual questions about the accuracy of respondents' interpretations and recollections. But even taken with the appropriate measure of salt, the results suggest that competing studies may grossly underestimate the defensive value of guns.