Statistics for Longest Serving Australian Heads of Government by Time in Office

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Time in office	Jurisdiction	Party	Answer	% Correct
10 years, 121 days	New South Wales	Labor	Bob Carr	100%
18 years, 163 days	Federal	United Australia/Liberal	Sir Robert Menzies	100%
9 years 214 days	South Australia	Labor	Don Dunstan	80%
11 years, 325 days	Tasmania/Federal	Labor/United Australia	Joseph Lyons	80%
10 years, 51 days	New South Wales	Labor	Neville Wran	80%
10 years, 179 days	Victoria	Country	Sir Albert Dunstan	80%
19 years, 114 days	Queensland	Country & National	Sir Joh Bjelke-Petersen	80%
11 years, 267 days	Federal	Liberal	John Howard	60%
10 years, 48 days	Western Australia	Pro-Forrest	Sir John Forrest	60%
26 years, 125 days	South Australia	Liberal & Country League	Sir Thomas Playford IV	60%
10 years, 91 days	Queensland	Labor	William Forgan Smith	60%
9 years, 230 days	South Australia	Labor	Mike Rann	40%
11 years, 335 days	Western Australia	Liberal	Sir David Brand	40%
17 years, 77 days	Victoria	Liberal & Country/Liberal	Sir Henry Bolte	40%
11 years, 278 days	New South Wales	Free Trade	Sir Henry Parkes	40%
13 years, 240 days	Tasmania	Labor	Eric Reece	20%
9 years, 299 days	South Australia	Labor	John Bannon	20%
10 years, 158 days	Queensland	Country	Sir Francis Nicklin	20%
9 years, 236 days	New South Wales	Liberal	Sir Robert Askin	20%
18 years, 182 days	Tasmania	Labor	Sir Robert Cosgrove	20%