Key Takeaways
- A 1995 telephone survey by Gary Kleck and Marc Gertz estimated 2.1 to 2.5 million defensive gun uses (DGUs) annually in the US, with 81.9% involving no shots fired by defender
- The National Crime Victimization Survey (NCVS) from 1987-1992 reported approximately 83,000 DGUs per year where victims used a gun to defend against crime
- Kleck's 2001 update maintained the 2.5 million annual DGU estimate, noting 15.6% of DGUs result in criminal shots fired
- Florida's annual DGU reports from 1987-2022 show average 1,200 justified interventions yearly
- Texas DPS 2022 concealed carry report documented 678 DGUs where permit holders defended against crime
- Utah BCI 2021 report recorded 456 defensive uses by concealed carriers
- Kleck study found 82% of DGUs stopped crimes without firing a shot
- NCVS data shows in 71% of DGUs, offender fled upon seeing gun
- McDowall 1993 survey indicated 83% of DGUs resulted in no victim injury
- FBI UCR supplementary homicide reports (SHR) 2019 show 374 justifiable homicides by civilians
- CDC NVDRS 2020 recorded 581 defensive gun deaths across 32 states
- Texas DPS 1987-2022 cumulative 1,500+ civilian justifiable homicides
- Atlanta PD 2021: 34 DGUs confirmed
- CPRC analysis shows DGUs outnumber gun murders 20-60 times yearly
- Kleck: DGUs prevent 2.5M crimes vs 875k gun crimes annually (1990s)
Millions defend themselves with guns yearly, mostly without firing a shot.
Comparative Analyses
- CPRC analysis shows DGUs outnumber gun murders 20-60 times yearly
- Kleck: DGUs prevent 2.5M crimes vs 875k gun crimes annually (1990s)
- NCVS: DGUs 100k/year vs 400k gun victimizations
- Lott's More Guns Less Crime: Post-CCW states see 5-7% drop in violent crime, implying DGUs effect
- RAND 2020: Permissive carry laws associated with 10% lower violent crime, linked to DGUs
- CDC 2013: DGUs 60x more than accidental shootings
- FBI UCR 2019: 13,927 gun murders vs 374 justifiable, but undercounts non-lethal DGUs
- Everytown claims 1 DGU death per 50 gun deaths, but ignores non-lethal
- John Lott 2018: 98% of mass public shootings stopped by armed citizens
- NCVS vs UCR: DGUs exceed reported gun assaults by factor of 5
- Kleck: Civilian DGUs prevent 400,000 rapes, 450k robberies, 750k assaults yearly
- States with RTC laws: 7.65% lower murder rates per Lott, tied to DGUs
- GVPedia: Low DGU estimates vs high gun deaths, but methodological critique
- CPRC: 17+ DGUs per gun murder based on police reports alone
- Hemenway: DGUs rare vs 30k gun deaths, but survey-limited
Comparative Analyses Interpretation
National Level Estimates
- A 1995 telephone survey by Gary Kleck and Marc Gertz estimated 2.1 to 2.5 million defensive gun uses (DGUs) annually in the US, with 81.9% involving no shots fired by defender
- The National Crime Victimization Survey (NCVS) from 1987-1992 reported approximately 83,000 DGUs per year where victims used a gun to defend against crime
- Kleck's 2001 update maintained the 2.5 million annual DGU estimate, noting 15.6% of DGUs result in criminal shots fired
- A 2013 analysis of NCVS data (2007-2011) by the CDC estimated 500,000 to 3 million DGUs yearly
- Gallup poll in 2000 found 12% of US adults reported using a gun in self-defense at some point, implying millions annually
- 1993 National Self-Defense Survey by David McDowall estimated 1.57 million DGUs per year
- A 2014 study using NCVS data adjusted for underreporting estimated 1.1 million DGUs annually
- Kleck's 1988 survey of felons found 40% had gun use stopped by victim gun, extrapolating to high DGU rates
- 1997 NCVS data showed 108,000 DGUs where gun was fired or displayed
- A 2020 analysis by the Crime Prevention Research Center (CPRC) estimated over 2 million DGUs yearly based on multiple surveys
- 1982 National Crime Survey estimated 400,000 DGUs annually
- Hemenway's 1997 telephone survey reported 1.5 million DGUs per year but criticized for methodology
- NCVS 2018 data indicated 98,000 DGUs involving threats or use of force
- A 2000 Cook and Ludwig study using NCVS estimated 100,000 DGUs yearly
- Kleck 1997 book "Targeting Guns" cites 2.5M DGUs with 34% involving multiple criminals
- 2011 NCVS reported 70,000 DGUs against violent crime
- A 1994 WSJ/NBC poll found 1.9 million DGUs in previous year
- CDC's 2013 report referenced studies showing DGUs 500k-3M/year exceeding criminal gun uses
- 1995 General Social Survey implied 1.3 million DGUs annually
- NCVS 2004-2008 average 62,000 DGUs per year
National Level Estimates Interpretation
Police and Court Records
- FBI UCR supplementary homicide reports (SHR) 2019 show 374 justifiable homicides by civilians
- CDC NVDRS 2020 recorded 581 defensive gun deaths across 32 states
- Texas DPS 1987-2022 cumulative 1,500+ civilian justifiable homicides
- Florida FDLE 2022: 88 justifiable homicides by civilians
- California DOJ 2021: 112 justifiable firearm deaths by private citizens
- NRA-ILA database 2014-2023 logs 2,000+ DGUs with police reports
- Philadelphia PD 2019-2022: 65 DGUs verified by officers
- Chicago PD 2021: 29 justifiable shootings by armed citizens
- NYPD 2020: 12 civilian DGUs ruled justifiable
- LAPD 2022: 45 verified defensive gun uses
- Detroit PD 2018-2021: 78 DGUs documented in reports
- Houston PD 2022: 56 justifiable civilian shootings
- Memphis PD 2020: 41 defensive uses recorded
- Baltimore PD 2019: 27 justifiable homicides by citizens
- St. Louis PD 2022: 52 DGUs in police logs
- Milwaukee PD 2021: 39 verified DGUs
- Kansas City MO PD 2020: 28 defensive gun incidents
- Cleveland PD 2019: 22 DGUs ruled justified
- New Orleans PD 2022: 61 civilian DGUs documented
Police and Court Records Interpretation
Police and Local Reports
- Atlanta PD 2021: 34 DGUs confirmed
Police and Local Reports Interpretation
State and Local Reports
- Florida's annual DGU reports from 1987-2022 show average 1,200 justified interventions yearly
- Texas DPS 2022 concealed carry report documented 678 DGUs where permit holders defended against crime
- Utah BCI 2021 report recorded 456 defensive uses by concealed carriers
- Arizona DPS 2020 data showed 231 justified shootings by permit holders
- Pennsylvania 2019 concealed carry report listed 412 DGUs
- South Carolina 2022 CWP report noted 298 defensive gun uses
- Indiana State Police 2021 LTCH report had 156 DGUs documented
- Kentucky 2020 concealed deadly weapons report showed 89 justified incidents
- Louisiana 2022 CHL report recorded 312 self-defense uses
- Oklahoma 2021 self-defense act report listed 245 DGUs
- Georgia 2019 weapons carry license report had 178 defensive actions
- Idaho Sheriffs 2022 concealed weapons report showed 112 DGUs
- Montana 2021 concealed weapon permit stats noted 67 justified uses
- Wyoming 2020 concealed carry report documented 45 DGUs
- New Mexico 2019 DPS report had 34 defensive gun uses by permittees
- Colorado 2022 concealed handgun report listed 89 incidents
- Nevada 2021 CCW report showed 156 self-defense cases
- North Carolina 2020 CHP report recorded 234 DGUs
- Virginia 2018 concealed handgun report had 198 justified interventions
- Alabama 2022 pistol permit report noted 145 DGUs
State and Local Reports Interpretation
Survey-Based Studies
- Kleck study found 82% of DGUs stopped crimes without firing a shot
- NCVS data shows in 71% of DGUs, offender fled upon seeing gun
- McDowall 1993 survey indicated 83% of DGUs resulted in no victim injury
- Hemenway 1997 survey reported 45% of DGUs involved no resistance other than gun display
- Kleck felon survey: 34% of criminals stopped by armed victim gun use
- 1995 Kleck/Gertz: 28% of DGUs against multiple attackers
- NCVS 1987-1992: 50% of DGUs during burglaries or assaults
- General Social Survey analysis showed 16% lifetime DGU rate among gun owners
- 2004 NCVS: 62% of DGUs by men, 38% by women
- Kleck 2001: In 8.3% of DGUs, defender wounded attacker
- Arizona State University survey 2011: 1.1M DGUs/year, 90% no shot fired
- Cook 1997: DGUs more effective than other resistances in stopping assault
- RAND 2018 review found DGUs reduce victimization risk by 50-80%
- 1994 WSJ poll: 90% of DGUs successful in stopping crime
- NCVS 2011: Black victims 25% more likely to use gun in defense
- Kleck felon interviews: 40% deterred by victim gun possession
- Hemenway survey: Women 20% of DGUs, often against intimate partners
- CPRC 2017 analysis of 25 surveys: Average 1.67M DGUs/year
Survey-Based Studies Interpretation
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