- Only three countries in the world currently have a constitutional right to own a gun: the US, Mexico, and Guatemala. - Six other countries used to have a constitutional right to bear arms, but they've since repealed those laws. - The US is the only country with a right to keep and bear arms with no constitutional restrictions. The right to keep and bear arms is a longstanding, often glorified right protected by the US Constitution. Americans own nearly half of all... (GunPolicy.org)