| Outcome of ProFirst (PFPTP) system applied to UK 2010 election results: | |||||
| MPs in alphabetical order, with voting power (ave.per MP = 42,525) | |||||
| Elected MP | Voting power in the House | Party | Country / | Constituency | |
| No. | Rank order | ||||
| Letwin, Oliver | 37,915 | 225 | Conservative | England: | Dorset West |
| Lewis, Brandon | 25,804 | 557 | Conservative | England: | Great Yarmouth |
| Lewis, Ivan | 37,205 | 247 | Labour | England: | Bury South |
| Lewis, Julian | 36,743 | 258 | Conservative | England: | New Forest East |
| Liddell-Grainger, Ian | 34,286 | 322 | Conservative | England: | Bridgwater and Somerset West |
| Lidington, David | 38,539 | 207 | Conservative | England: | Aylesbury |
| Lilley, Peter | 41,503 | 141 | Conservative | England: | Hitchin and Harpenden |
| Lloyd, Stephen | 150,740 | 19 | Lib-Dem | England: | Eastbourne |
| Lloyd, Tony | 40,163 | 170 | Labour | England: | Manchester Central |
| Llwyd, Elfyn | 59,294 | 58 | Plaid Cymru | Wales: | Dwyfor Meirionnydd |
| Long, Naomi | 41,394 | 144 | Alliance | Northern Ireland: | Belfast East |
| Lopresti, Jack | 27,354 | 525 | Conservative | England: | Filton and Bradley Stoke |
| Lord, Jonathan | 36,893 | 255 | Conservative | England: | Woking |
| Loughton, Tim | 32,595 | 378 | Conservative | England: | Worthing East and Shoreham |
| Love, Andy | 37,008 | 252 | Labour | England: | Edmonton |
| Lucas, Caroline | 258,954 | 2 | Green | England: | Brighton Pavilion |
| Lucas, Ian | 16,429 | 646 | Labour | Wales: | Wrexham |
| Luff, Peter | 38,587 | 205 | Conservative | England: | Worcestershire Mid |
| Lumley, Karen | 26,592 | 542 | Conservative | England: | Redditch |
| Macleod, Mary | 27,821 | 512 | Conservative | England: | Brentford and Isleworth |
| MacNeil, Angus | 37,390 | 240 | Scottish National | Scotland: | Na h-Eileanan an Iar |
| MacShane, Denis | 31,927 | 399 | Labour | England: | Rotherham |
| Mactaggart, Fiona | 41,736 | 136 | Labour | England: | Slough |
| Mahmood, Khalid | 40,321 | 169 | Labour | England: | Birmingham Perry Barr |
| Mahmood, Shabana | 38,048 | 220 | Labour | England: | Birmingham Ladywood |
| Main, Anne | 29,920 | 468 | Conservative | England: | St Albans |
| Mann, John | 47,713 | 72 | Labour | England: | Bassetlaw |
| Marsden, Gordon | 27,554 | 516 | Labour | England: | Blackpool South |
| Maude, Francis | 40,917 | 155 | Conservative | England: | Horsham |
| May, Theresa | 44,377 | 102 | Conservative | England: | Maidenhead |