Big Brother Brasil 4, which was premiered on January 13, 2004, had 11 housemates in their 20's, and three in their 30's.
Big Brother Brasil 4 was the fourth season of Big Brother Brasil which premiered January 13, 2004 with the season finale airing April 6, 2004 on the Rede Globo television network. Antonela Avellaneda 21 Edilson Buba 32 Cida dos Santos 21 Cristiano Carnevale 29 Eduardo Coelho 24 Geris Leite 30 Marcela Queiroz 25 Juliana Lopes 23 Marcelo Dourado 31 Rogerio Dragone 25 Solange Couto Maria 25 Tatiana Giordano 21 Thiago Lira 23 Marcelo Zulu 23 There were fourteen housemates competing for the grand prize. 
