The analysis, first reported by HuffPost, shows that North Dakota has a rate of 18.2 deaths per 1 million people. South Dakota, meanwhile, has 17.4 deaths per million, the third-worst rate in the world. NEW: North Dakota & South Dakota rank #1 & #3.... Our analysis shows 18 of the 50 worst #COVID19 hotspots with the highest mortality worldwide are in the US. North Dakota Gov. South Dakota reported 821 new confirmed cases and 18,139 active cases overall.