English , 0.0% speak Ndebele , 29.0% speak Xhosa , 0.4% speak Zulu , 0.0% speak Northern Sotho , 0.2% speak Sotho , 0.0% speak Tswana , 0.0% speak Swati , 0.0% speak Venda , and 0.0% speak Tsonga . 0.4% of the population speaks a non-official language at home. 86.7%