Women are more likely to face harassment and bullying at work for blowing the whistle, while those on lower incomes are more likely to face reprisal actions.
Women are also more likely to speak out about people being endangered when blowing the whistle while men reported fraud or corruption, according to analysis from the Human Rights Law Centre.
This may be because care industries are dominated by women, who would then expose wrongdoing against people, the centre said.
The healthcare sector was the largest source of complaints from women, and all of those who spoke out faced retaliation in some form.
"When combined with our data that only women spoke up about misconduct in the healthcare industry, it is clear that this is a gendered issue urgent for prioritisation," the centre's report said.
This was combined with lower income workers - such as women in healthcare - bearing the burden at a higher rate.
"This is consistent with the literature which finds that whistleblowers who are junior and lack power are more likely to suffer reprisal," the report said.
Men and women faced reprisals at the same rate, with seven in 10 whistleblowers suffering adverse consequences for coming forward.
Almost half of men lost their jobs after speaking out and one in three women faced bullying or harassment afterwards, the centre's analysis of its clients from the first year of its whistleblowing project found.
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