I'd also wager a guess that most South African farmers are not white (they own 70% of farm land mass, but with no real evidence I'd imagine the farms are on average much larger than what was left for the locals), which would push that 2x stat much higher.
Edit: On the other hand, I do think it would be interesting to compare the rate to farms of similar sizes and different races, should that data exist somewhere. With murder rates 2-~20x above average I wouldn't be totally surprised if the common factor were just extra wealth or something.
Given the demographics, not an unfair guess, albeit a lazy one. No, not even close.
Land reform is a controversial topic in my country so I'm just going to TL;DR the past 5 decades and provide some links[0][1] that you are going to have to be very sceptical about (given the controversial nature of the debate).
- We have one of, if not the, highest wealth gaps in the world as a direct result of Apartheid
- Unsurprisingly, land ownership is rare
- Ergo, most of the land is owned by the wealthy class, who are the white minority.
- I am not offering an opinion on the racial aspect here, violent crime affects all South Africans equally
[0]: https://en.wikipedia.org/wiki/Land_reform_in_South_Africa
[1]: https://www.gov.za/sites/default/files/gcis_document/201802/...
Here are additional sources if you or anyone else would like to know more on the topic;
https://africacheck.org/fact-checks/factsheets/factsheet-sta...
https://africacheck.org/fact-checks/reports/are-sa-whites-re...
https://africacheck.org/fact-checks/spotchecks/claims-about-...
https://africacheck.org/fact-checks/blog/analysis-why-calcul...
http://law2.umkc.edu/faculty/projects/ftrials/shipp/lynching...
Here in South Africa we do have lots of violent killings, but white farmers aren't killed at a greater than national average level. In fact the highest murder rate is among cape coloureds in the cape flats.