Global leaders have taken note of Australia's world-first ban on social media for teenagers, instilling confidence in a bereaved mum that other nations will enact change.

Emma Mason drew a standing ovation after joining Prime Minister Anthony Albanese to spruik the ban on the world stage at a United Nations event in New York.

The Bathurst woman spoke at the UN in front of an image of her daughter Tilly, 15, who took her own life after being bullied online.

She said she was encouraged the ban had drawn the attention of leaders such as European Commission president Ursula von der Leyen, who has indicated the bloc will be watching how the reform turns out.

"There were leaders there that were really listening and telling me personally that they were going back to their nation to enact chan

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