Name Statistics South Africa
The name Jan Viljoen has an approximative frequency of 0.0014% in South Africa.
Approximate number of South Africans that have this surname:
First name: Jan
Approximate number of South Africans that have this first name:
The average IQ of the people who have this name: !! Unknown. Click here to determine the average IQ of the South Africans named Jan Viljoen !!