The Australian Electoral Commission has recorded a national enrolment rate of 96.8 per cent - something electoral commissioner Tim Rogers said was, for a long time, though to be unattainable.

A total of 16,424,248 Australians are enrolled to vote - about 750,000 more than the 2016 federal election.

"Such a complete [electoral] roll is a credit to Australian citizens and to the hard work and careful processes put in place by AEC staff," Mr Rogers said.

"It is something all Australians can be proud of."

Almost 100,000 people enrolled in the week before the deadline. Many of those were young people.

"There were around 70,000 18-24 year-olds among the additions to the roll during the close of rolls week," Mr Rogers said.

"Enrolment for this youth cohort at 88.8% is now even higher than it was for the marriage postal survey when it was 88.6%."

More than 400,000 young people will be casting their vote in their first federal election.

More to come.

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