Board Thread:Naruto Discussions/@comment-26152226-20150331230030/@comment-26302001-20150401014111

It was retconned. Anko was 7 at the Chunin exams that Kakashi(9) became a Chunin in, as he became Chunin before Gai(9) and Obito(9), Hayate was 6 at that time, Raido was 13, Genma was 11, Ebisu was 11, Aoba was 12, Ibiki was 10, Asuma and Kurenai were 10.