About 7 million children live in homes with a loaded and unlocked gun, according to a new study that puts a stark number on a long-running public safety warning.

The research, published in JAMA Network Open, points to a troubling pattern inside American households: some parents report less secure gun storage when they have teenagers at home. That finding carries extra weight because suicide risk rises during adolescence, turning access to a firearm into a more immediate and deadly concern. Reports indicate the study connects household gun practices with one of the most urgent risks facing older children.

The study suggests gun storage does not always become more cautious as children get older, even as the stakes climb.

Key Facts

  • A new study estimates about 7 million children live in homes with a loaded, unlocked gun.
  • The research appeared in JAMA Network Open.
  • The study found more parents leave guns loaded and unlocked when they have teenagers.
  • That trend matters because suicide risk increases for this age group.

The numbers sharpen a debate that often drifts into abstraction. Safe-storage advocates have argued for years that locked and unloaded firearms reduce the odds of impulsive harm, accidental shootings, and other tragedies involving children. This study does not need dramatic language to make its point; the scale alone shows that unsecured firearms remain part of daily life for millions of families.

The findings also challenge a common assumption that parents naturally tighten precautions as children mature. Instead, the study suggests some households move in the opposite direction, even when teenagers face higher risks tied to mental health crises and impulsive behavior. Sources suggest that gap between perceived maturity and actual vulnerability may sit at the heart of the problem.

What happens next will likely center on whether public health officials, clinicians, and policymakers can turn data into behavior change. The study adds fresh urgency to conversations about how families store firearms and how communities talk about suicide prevention. For millions of children — and especially teenagers — that question carries life-or-death consequences.