The country will head to a referendum later this year on enshrining an Indigenous voice in the constitution to advise the government on policies affecting Aboriginal and Torres Strait Islander peoples.
Cobble Cobble woman Allira Davis, co-chair of the Uluru Youth Dialogue, says supporters are focusing on educating young non-Indigenous Australians about the "yes" campaign.
She said the group was reaching out to young people at universities and sporting events to help spread the word in person and on social media.
"Young people are progressive - even with the climate action movement and marriage equality, a lot of those campaigns are led by young people," Ms Davis told AAP.
"So we are trying to inform our young Australians about the need to see change in our lifetime.
"We need to make a difference and make an impact in our communities and this is how I feel we're going to do it."
The "yes" campaign faces an uphill battle for success as the last referendum to pass was held in 1977.
In November, the Nationals announced they would oppose the voice as a party, while Opposition Leader Peter Dutton has called for more detail on the proposal as the Liberals remain undecided on their support.
Ms Davis said educating younger people and finding allies would help inform older non-Indigenous people - who will make up the majority of voters in the referendum - about the importance of the voice.
"Our goal is just informing and educating, and having genuine conversations because those genuine conversations matter," she said.
"And those genuine conversations, they will take that conversation back to their family and talk to them about it."
Australia has unfinished business with its First Nations people, she said, as one of the only countries without any official recognition of or treaty with them.
Apart from giving Indigenous people a say about their own destiny, a voice to parliament will also have an important role in explaining what has happened and is still happening to Aboriginal and Torres Strait Islander peoples.
Ms Davis said the often harsh business of truth-telling was something that had been absent from the national conversation, although that was changing among younger generations of non-Indigenous Australians.
"We haven't been listened to since colonisation, we need to talk about what has happened in our history," she said.
Ms David added the truth-telling process was not about blaming current generations for acts of the past.
"It's just having the truth said and told so that we can move forward on this journey towards a better future for Australia," she said.
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