When picking leaders, two things that Nigeria and South Africa have in common are:
Nigerians tend to vote along tribal lines with the mainly Northern Hausa usually voting for an Hausa President. South Africans do the same along tribal and racial lines.
South Africans and Nigerians also seem to prefer voting for older people most likely due to the attachment that Africans make between age and having wisdom.
In conclusion, South Africans and Nigerians vote similarly.
Find out more about tribal affiliation in Africa at https://brainly.com/question/509352.