Gun control generally refers to laws or policies that regulate the manufacture, sale, transfer, possession, modification, or use of firearms. They vary greatly around the world. Some countries, such as the United Kingdom, have very strict limits on gun possession while others, like the United States, have, compared to most industrial democracies, relatively few and weak restrictions (although policies vary from state to state). Proponents of gun control generally argue that widespread gun ownership increases the danger of homicide and suicide. Opponents argue that gun control does not reduce gun-related injuries, murder, or suicide, and some argue that certain regulations may violate individual liberties.