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
W A L E S 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 134,803 8 20.0% 123,982 7 17.5% 8 382,730 27.8% 47,841
Labour 402,419 26 65.0% 437,948 25 62.5% 26 531,602 38.7% 20,446
Lib-Dem 52,044 3 7.5% 85,593 5 12.5% 3 295,464 21.5% 98,488
Plaid Cymru 35,743 3 7.5% 41,111 3 7.5% 3 165,394 12.0% 55,131
All winning                  candidates 625,009 40 100.0% 688,634 40 100.0% 40 1,375,190 100.0% 34,380
42.6% of all votes cast 46.9% of all votes cast   93.7% of all votes cast
Losing parties: Votes discarded Votes discarded     Votes discarded  
Conservative 247,927 - 258,748 -   - 0  
Labour 129,183 - 93,654 -   - 0  
Lib-Dem 243,420 - 209,871 -   - 0  
Plaid Cymru 129,651 - 124,283 -   - 0  
Other 91,801 - 91,801 -   - 91,801  
All losing                    candidates 841,982 -   778,357 -   - 91,801    
57.4% of all votes cast 53.1% of all votes cast   6.3% of all votes cast
Total votes cast 1,466,991 1,466,991     1,466,991  
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)