Australian Postage Stamp Cost 2024. We welcome your views on australia post’s proposal to increase stamp prices by 25% from january 2024, being an increase of: Australia’s domestic stamp rate continues to be one of the lowest in the oecd and has increased by just $0.20 in the past seven years.

Australia post wants to increase the cost of stamps by 25 per cent after its letters. Under the proposed changes from january next year the cost of standard stamps will leap from $1.20 to $1.50.