Despite representing just 8% of the world’s population, the region accounts for nearly one-third of global homicides.
Breaking Latin America’s Cycle of Low Growth and Violence
North and Sub-Saharran Africa are poorer than Latin America but have much less murder going on. What’s going on in Latin America?
I’m inclined to agree:
https://ourworldindata.org/grapher/homicide-rate-unodc
This source has made a clear definition of homicide that agrees with what you’re saying. But in this data, a lot of Africa is missing and I think that includes well know areas with wars. So depending on how that gap in data is filled in could introduce errors. I didn’t bother checking the OPs source