Valget til Repræsentanternes Hus foregik for første gang i 151 enkeltmandskredse, hvor der tidligere havde været 150.<ref>{{Cite web | url=https://www.aph.gov.au/About_Parliament/Parliamentary_Departments/Parliamentary_Library/FlagPost/2019/April/What_is_different_about_the_2019_election | title=What's different about the 2019 federal election? | date=14. april 2019 | access-date=27. juni 2019 | publisher=Parliament of Australia | archive-date=27. juni 2019 | archive-url=https://web.archive.org/web/20190627074947/https://www.aph.gov.au/About_Parliament/Parliamentary_Departments/Parliamentary_Library/FlagPost/2019/April/What_is_different_about_the_2019_election | url-status=live }}</ref>
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