Get near-enough to the north (or south) pole and mercury turns into a solid.
Which is a better thing than when some gets spilled on the floor because it spatters into a thousand droplets that you have to chase around the floor , can’t mop up , can’t vacuum up … and can vaporize more easily and poison you.
















An interesting point … but unless you can see the serial killers per capita, it’s distorted.
When it comes to (single) homocides, the picture shifts substantially, the Americas are still at the top but Africa runs a close second. The PDF linked below (UN Drugs & Crime charts) has a very good set of PER CAPITA graphs to show the distribution worldwide. Here US homicide rates are much lower than Mexico and northern South America.
https://www.unodc.org/documents/data-and-analysis/gsh/2023/Global_study_on_homicide_2023_web.pdf