Just looking at "murder", "homicide" or "manslaughter" crimes with guns and knives doesn't tell you the whole picture; many knife crime victims will not suffer life ending injury, just really really nasty ones. This is obviously also the case with criminal gun usage to some extent too.

If you look at knife crime in the UK, especially in deprived areas, it's been a growing problem for a long time.

For example, there was over 15 thousand knife crimes reported in London alone in 2019/20, many of which are armed muggings etc.