The final election results in almost a third of all seats will be known by Monday, as counting continues following the May 18 federal poll.
The Australian Electoral Commission received the final trickle of postal votes on Friday, after which a full distribution of preferences can occur in order to declare results in outstanding seats.
Twelve seats were set to be formally declared on Monday following the final results being announced in 34 seats on Friday.
Prime Minister Scott Morrison, who was sworn in on Wednesday along with his ministry, is on track to hold 77 lower house seats in the new parliament.
Only two seats remain close - Tasmania's Bass and Macquarie in NSW.
Labor is expected to have 68 seats, down one on the previous election, with six crossbenchers making up the 151-member House of Representatives.
In Macquarie, Labor candidate Susan Templeman was 282 votes ahead of her Liberal rival Sarah Richards on Friday afternoon.
It's the closest remaining seat in the election, with final postal and declaration counts set to occur on Monday before the final distribution of preferences.
In the Tasmanian seat of Bass, the Liberals' Bridget Archer is 571 votes ahead of Labor MP Ross Hart.
The government is aiming to have the 46th parliament open in early July.
