Young people are urged to become the voice of their generation in the upcoming referendum as both sides make their final appeals on the last weekend before the vote.

Prime Minister Anthony Albanese took to social media on Saturday revealing he had cast his ballot a week out from the referendum alongside his son Nathan in his Sydney electorate of Marrickville.

“Yes for recognition, Yes for listening, Yes for better outcomes,” he posted on X, formerly known as Twitter, with a picture of the pair casting their ballots.

“I cast my vote today for ‘yes’, and I did so proudly in the knowledge that this is the request of Indigenous Australians,” Mr Albanese said afterwards.

“A hand outreached simply asking for non-Indigenous Australia to grasp that hand of friendship in the spirit of reconciliation.”

Australians are being asked whether they want to put an Indigenous advisory body called the voice into the constitution.

It would be a permanent body but hold no veto right and the parliament will have the power to change the model and how it functions through legislation.

Senior NSW Liberal MP Matt Kean on Saturday went against his federal party’s stance on the voice, instead calling on young Liberals to ignore their parents’ voting intentions and stand up for their own beliefs.

“Our party needs the Young Liberals not to be a faint echo of what they hope will appeal to future preselectors, but to be a voice for its generation,” he said in a speech to the NSW Young Liberals convention, reported by the Daily Telegraph.

“I believe you are at your best when you embody the future rather than seeking to mimic and appease the past.”

Indigenous Australians Minister Linda Burney praised Mr Kean on his call and said young people were “one of the keys” for the ‘yes’ side’s path to victory.

“I have to say to Matt Kean an enormous recognition of his intelligence, of his bravery and really putting forward to the young Liberals today – they understand that – they need to think independently about this,” she said.

“And I say that to all Australians. It is what you think. It’s what you believe.”

Opposition Leader Peter Dutton said while all Australians wanted to help Indigenous people, the constitutional proposal remained vague.

“Tradies and others who are just saying, ‘Well, you know, I want to help Indigenous people, but the prime minister’s not putting the detail out there, so I don’t understand it, I’m not voting for it’,” he said.

Australians will go to the polls on October 14, with a majority of people in at least four states needing to vote ‘yes’ for the referendum to be carried, as well as a majority of Australians nationally.

-AAP