The adjustments will be the largest indexation increase of welfare payments Australia has seen in almost 30 years.
Age Pension, Disability Support Pension and Carer Payment will rise $38.90 a fortnight for singles and $58.80 a fortnight for couples.
The maximum rate of a pension rises to $1,026.50 a fortnight for singles and $773.80 for each person of a pensioner couple, or $1,547.60 per couple.
JobSeeker for singles without children will increase $25.70 a fortnight to $677.20.
The Parenting Payment Single will rise $35.20 a fortnight to $927.40.
The rate for partnered JobSeeker Payment and Parenting Payment recipients will increase $23.40 a fortnight to $616.60.
ABSTUDY and Rent Assistance recipients will also get a top up.
And Aussies are braced for another jolt at the end of the month, when the fuel tax excise holiday expires.
The 44-cent excise tax on fuel was slashed to 22 cents before the federal election.
Treasurer Jim Chalmers has ruled out extending the fuel discounts.