Japan’s annual gun deaths are in the single digits, thanks to tight regulations on firearms. Even police defuse violence using martial arts rather than guns. Criminals use knives instead and find ways of illegally importing guns, but overall the near-taboo reduces deaths.

For decades, Missouri had restrictive gun laws, but after relaxing them in 2007, there has been an uptick in gun deaths. Gun control legislation that restricts criminals' access could be the solution.

Mass shootings in the United States spur calls for gun control regulation, but do gun control regulations work? In Australia, Scotland, and Finland, they have reduced gun-related crimes through buyback programs, banning civilians from owning guns, and raising the minimum age for owning guns.

The U.S. continues to experience mass shootings, and many Americans deny that tightening gun laws will help. However, countries like Australia, the United Kingdom, Finland, and Norway have reduced gun violence through stricter regulations.