Q. Who do you think would make the better Prime Minister out of Malcolm Turnbull and Bill Shorten?
| Total | Vote Labor | Vote Lib/Nat | Vote Greens | Vote other | May 2018 | Apr 2018 | Mar 2018 | Dec 2017 | |
| Malcolm Turnbull | 41% | 18% | 82% | 21% | 38% | 40% | 41% | 41% | 42% |
| Bill Shorten | 27% | 55% | 6% | 40% | 13% | 26% | 26% | 26% | 28% |
| Don’t know | 32% | 27% | 12% | 39% | 48% | 34% | 33% | 33% | 31% |
41% thought that Malcolm Turnbull would make the better Prime Minister (up 1% from last month), and 27% thought Bill Shorten would be better (up 1%). 32% did not know who would make a better Prime Minister.
The results were split by party, with 82% of Liberal/National voters saying that Malcolm Turnbull would be a better Prime Minister, and 55% of Labor voters saying Bill Shorten would.
Greens voters preferred Bill Shorten (40%) to Malcolm Turnbull (21%).
48% of men prefer Malcolm Turnbull and 27% prefer Bill Shorten.
34% of women prefer Malcolm Turnbull and 26% prefer Bill Shorten.