Out of  the 14 participants of Big Brother Brasil 4, 11 of which are in their 20's and only three are in their 30's.
Edilson Buba 32 Marcelo Dourado 31 Juliana Lopes Geris Leite 30 23 Eduardo Coelho 24 Cristiano Carnevale 29 Cida dos Santos 21 Antonela Avellaneda 21 Marcela Queiroz 25 Rogerio Dragone 25 Solange Couto Maria 25 Tatiana Giordano 21 Thiago Lira 23 Marcelo Zulu 23 
