Q. Do you approve or disapprove of the proposed mining tax (called the Minerals Resource Rent Tax) on large profits of mining companies?
| 12 Jul 2010 | 5 Sep 2011 | Total | Vote Labor | Vote Lib/Nat | Vote Greens | |
| Total approve | 50% | 46% | 51% | 74% | 32% | 85% |
| Total disapprove | 28% | 34% | 33% | 13% | 55% | 7% |
| Strongly approve | 13% | 18% | 18% | 32% | 5% | 51% |
| Approve | 37% | 28% | 33% | 42% | 27% | 34% |
| Disapprove | 18% | 18% | 20% | 11% | 30% | 7% |
| Strongly disapprove | 10% | 16% | 13% | 2% | 25% | – |
| Don’t know | 22% | 19% | 15% | 12% | 12% | 9% |
51% approve the Government’s proposed mining tax and 33% disapprove. This represents a strengthening in support since this question was asked in September (from net +12% to net +18%).
Labor voters (74%) and Greens voters (85%) strongly support the tax – but Liberal/National voters disapprove 55% to 32%.