| Comparison of the current First-Past-The-Post (FPTP) system, the proposed AV system, | ||||||||||
| and the ProFirst (Proportional FPTP) proposal, each applied to the 2010 UK election counts | ||||||||||
| Country | Current FPTP system | Proposed AV system | ProFirst (PFPTP) system | |||||||
| E N G L A N D | Votes under FPTP | Seats won (i.e. voting power in the House under the current FPTP system) | Votes under AV | Seats won (i.e. voting power in the House under the proposed AV system) | Seats won | Winning parties' actual total poll figures (and therefore also ProFirst voting power at each Division in the House) | ||||
| Total votes cast | Average voting power per MP | |||||||||
| No. | % | No. | % | No. | No. | % | ||||
| Winning parties: | Votes used | Votes used | Votes used | |||||||
| Conservative | 7,147,127 | 297 | 55.8% | 6,974,432 | 278 | 52.3% | 297 | 9,930,970 | 42.6% | 33,438 |
| Green | 16,238 | 1 | 0.2% | 19,603 | 1 | 0.2% | 1 | 258,954 | 1.1% | 258,954 |
| Labour | 3,713,630 | 191 | 35.9% | 4,101,199 | 197 | 37.0% | 191 | 7,039,388 | 30.2% | 36,855 |
| Lib-Dem | 993,839 | 43 | 8.1% | 1,329,492 | 56 | 10.5% | 43 | 6,075,553 | 26.1% | 141,292 |
| All winning candidates | 11,870,834 | 532 | 100.0% | 12,424,726 | 532 | 100.0% | 532 | 23,304,865 | 100.0% | 43,806 |
| 47.3% | of all votes cast | 49.5% | of all votes cast | 92.9% | of all votes cast | |||||
| Losing parties: | Votes discarded | Votes discarded | Votes discarded | |||||||
| Conservative | 2,783,843 | - | 2,956,538 | - | - | 0 | ||||
| Green | 242,716 | - | 239,351 | - | - | 0 | ||||
| Labour | 3,325,758 | - | 2,938,189 | - | - | 0 | ||||
| Lib-Dem | 5,081,714 | - | 4,746,061 | - | - | 0 | ||||
| Other | 1,774,749 | - | 1,774,749 | - | - | 1,774,749 | ||||
| All losing candidates | 13,208,780 | - | 12,654,888 | - | - | 1,774,749 | ||||
| 52.7% | of all votes cast | 50.5% | of all votes cast | 7.1% | of all votes cast | |||||
| Total votes cast | 25,079,614 | 25,079,614 | 25,079,614 | |||||||
| 100.0% | of all votes cast | 100.0% | of all votes cast | 100.0% | of all votes cast | |||||
| AV results based on simulation program AVOTER (AV Operational Testing, Evaluation and Research) | ||||||||||