To be eligible for Age Pension you must be Age Pension age and meet some other rules.
On 1 July 2021, Age Pension age increased to 66 years and 6 months for people born from 1 July 1955 to 31 December 1956, inclusive.
If your birthdate is on or after 1 January 1957, you’ll have to wait until you turn 67. This will be the Age Pension age from 1 July 2023.