Those targets would correspond to vaccine coverage in 56.2 per cent and 64.2 per cent of the total population, respectively.
The targets were set based on modelling from the Doherty Institute, which recommended exiting lockdowns at the point when 70 per cent of Australians aged 16 and over – across the country and in each state and territory – have had both vaccine doses.
At the current pace of the rollout, the national 70 per cent double dose milestone is set to be achieved by late October 2021.
Since the national vaccine rollout began in February, more than 30 million vaccine doses have been administered around the country.
Nationally, that translates to 81.5 per cent vaccine coverage in first doses and 60.2 per cent in second doses.
Since 13 September 2021, COVID-19 vaccines have been approved for Australian children as young as 12. Over four weeks, around 44 per cent of children aged between 12 and 15 have had their first COVID-19 vaccine dose.
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How is each state doing?
As of 7 October 2021, the ACT's vaccination rate continues to lead the country, with more than 95 per cent of residents aged 16 and older double-dosed.
New South Wales will be the first Australian jurisdiction to reopen on 11 October, after achieving the 70 per cent full vaccination rate. The 80 per cent double dose target is projected to be reached on 19 October.
Tasmania is on track to reach the 70 per cent coronavirus vaccination milestone on 17 October, with more than 63 per cent of eligible Tasmanians already having had both doses. The 80 per cent target is set to be reached on 9 November.
In Victoria, lockdowns will remain in place until 70 per cent of people in the state are double-vaccinated, which is forecast for October 23. The 80 per cent target is expected to be achieved on 5 November.
South Australia, Queensland and Western Australia are set to achieve the 70 per cent goal on 10 November, 15 November and 16 November respectively. The 80 per cent target could be reached by 30 November for South Australia, 9 December for Queensland and 6 December for Western Australia.
The Northern Territory has surpassed the 55 per cent double dose vaccination mark and is projected to reach the 70 per cent milestone on 22 November and the 80 per cent target on 6 January.
Concerns remain about achieving the vaccination targets among Indigenous Australians and other vulnerable groups in the community.
Why 70 per cent?
Prime Minister Scott Morrison has told state leaders Australia will need to learn how to live with the virus, in order to begin re-opening.
He's insisted the country can not live in lockdown forever, saying a "gear change" will occur when the fully vaccinated rate reaches 70 per cent.
"At some point, you need to make that gear change and that is done at 70 per cent because that's where we are advised from the medical science that you can make that gear change," he has said.
See more in the Vaccine in Focus series here
Interactive by Ken Macleod. Lead artwork by Jono Delbridge.