Historical rankings of Prime Ministers of Australia teaching or researching in the fields of Australian politics or history" to place Australia's prime ministers in five categories; 40 responded. Five points were awarded to prime ministers judged "outstanding", four for those considered "good", three for "average", two for "below average", and one for "failure". The three caretaker prime ministers were excluded from consideration, as was the serving prime minister, Julia Gillard. John Curtin received the highest average rating, 4.78, and he was the only prime minister who no respondents gave a rating lower than "good". It is possible to compare the highest approval ratings achieved by Prime Ministers
Historical rankings of Prime Ministers of Australia Paul Keating has had the lowest high-mark satisfaction rating at 43%. Voters are asked the question: 'Are you satisfied or dissatisfied with the way -name- is doing his/her job as Prime Minister?' Since Newspoll began in 1985, the lowest satisfaction rating of any Prime Minister is by far Paul Keating's at 17% in August 1993, with a 6% difference between Keating and the nearest low rating of Julia Gillard at 23% in September 2011. John Scales, of JWS research, in May 2011 polled 2141 people in the 10 most marginal Labor seats and the 10 most marginal Coalition seats. Asked