Matthew Nash’s study is quoted in the Daily Maverick article by Don Pinnock, and ranks South Africa as 19th out of 200 countries. This global data collation effort ignores a wealth of useful scientific work on the subject, and is not particularly enlightening.
Nash explains that “all data is based on raw numbers comparing countries without adjusting for size or geographic location”. We can quickly estimate that if country size is accounted for (which is the usual practice) , South…