Australian Institute of Criminology:

 "A survey of Australian tertiary students found that 1 in 4 girls and 1 in 11 boys had been the victim of child sexual abuse ..."

"These estimates have ranged from figures of 1 in 4 girls to somewhere between 1 in 7 and 1 in 12 boys as being victims of sexual abuse ..."

"In total, the ABS (2005: 42) estimated that in 2005, 1,294,000 people living in Australia (337,400 males and 956,600 females) had experienced sexual abuse before the age of 15."
 "... of all those who reported having been victimised sexually before the age of 15 years, 11.1 percent were victimised by a stranger. More commonly, child sexual abuse was perpetrated by a male relative (other than the victim’s father or stepfather; 30.2%), a family friend (16.3%), an acquaintance or neighbour (15.6%), another known person (15.3%), or the father or stepfather (13.5%;..."


The Childrens Hospital at Westmead:

"... young people in this study who experienced child sexual abuse had a suicide rate which is ten to thirteen times the national Australian rate for this age group. The study also found that almost one third of the abused young people had reported attempted suicide over the period of the study."

CASA Fact Sheet: Statistics about sexual assault

1 in 3 women and 1 in 6 men will be sexually abused before the age of 16
Girls between the ages of 10 and 14 were the greatest proportion of victim/survivors