Papua New Guinea (PNG) Independence Day is on 16 September every year.

Quick facts

  • Date: 16 September.
  • First celebrated: 16 September 1975, when PNG became independent from Australia.
  • It is a national public holiday with flag-raising ceremonies, cultural shows, and festivals across the country.

Extra context

PNG will mark its 50th Independence anniversary on 16 September 2025, a major milestone that is already being highlighted in national celebrations and planning.