Africa is the least safe place to drive in the world, but more than half of fatalities occur to pedestrians and cyclists.

Population (m)Cars (m)Total Deaths (100k)Car Deaths (100k)
Namibia2.30.323.914.8
Zambia14.50.524.711.9
Botswana20.523.616
Zimbabwe14.10.928.25.8
Malawi16.40.43511.4
Tanzania49.31.532.911.5
Kenya44.4229.110
     
UK63.135.62.91.3
USA320.126510.66.9
South Africa52.89.925.116.7
References
Road Safety in the Africa Region 2015 (WHO)
WHO Interactive webapp