More than 40 convicted paedophiles in WA have been charged with further sex offences in the past four years despite being monitored on a national child sex offender register.
Police Minister Rob Johnson said the repeat child sex offenders would be captured under the State Government's proposal to set up the nation's first public sex offender register.
This would allow their photographs to be published on a website.
Police statistics show there are 2885 registered child sex offenders in WA and 42 - or 1.4 per cent - were charged with further sex offences in the past four years.
Similar statistics released in Queensland this week showed that 140 of the 3455 criminals on the child sex offender register in that State were charged with further sex offences over a similar period.
Mr Johnson said it was unfortunate that some child sex offenders living in the community committed further offences.
"This is why we established tier two of the proposed sex offender public register to enable the photographs of repeat child sex offenders to be published on the website," he said.
"The whole purpose is to give parents and guardians the ability to protect the safety and sexual safety of their children. It is my hope that the legislation has a swift passage through the Upper House when Parliament resumes next year."
Under the proposed laws, a key Liberal Party election promise, people who commit a sex offence while already subject to reporting requirements through the national sex offender register can have their photographs published on a website.
People will be able to make a request through the website to see the photographs of high-risk offenders living in the same or an adjacent suburb.
The plan will allow the public to get names, photographs and the dates of birth of serious or repeat sex offenders who have gone underground in breach of their supervision obligations.
Parents and guardians would also be able to get information about people with unsupervised access to their children.
The national child sex offender register is used by police to supervise offenders but is not available to the public.
The system, introduced in 2004, requires offenders to notify authorities of changes in their address and workplace and allows police to share information.Lawyers, criminologists and the WA Police Union have raised concerns that the proposed public register will drive sex offenders on the national register underground.
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