The data indicated that the ratio of neurosurgeons to total Brazil population is 1 : 70,956 .
The Brazilian Society of Neurosurgery is an association of Brazilian neurosurgeons that was founded in 1957. The society has over 2,000 members and is the third largest neurosurgical society in the world. (1)
Data from CFM (Federal Council of Medicine) show there are 2,875 neurosurgeons in Brazil. (2)
Reference:
1- http://www.thieme.com/books-main/neurosurgery/product/2195-brazilian-neurosurgery
2- http://www.usp.br/agen/wp-content/uploads/DemografiaMedica30nov2015.pdf