STV MODELLING OF ELECTION RESULTS FOR SHEFFIELD CITY COUNCIL ============================================================ Extrapolation from Local Election Results Allocating seats within each ward by each vote share LibDem Labour Conservative Green BNP/Other UKIP Others Majority Share Seats Share Seats Share Seats Share Seats Share Seats Share Seats Share Seats Party ------------------------------------------------------------------------------------------------------------ 1990 16.0% 6 63.2% 73 17.7% 8 2.9% 0 0.1% 0 Labour +59 1991 24.7% 12 49.7% 62 23.2% 13 1.3% 0 0.9% 0 Labour +37 1992 27.2% 15 37.5% 48 33.5% 24 1.3% 0 0.2% 0 Labour +9 1993 1994 41.9% 36 42.0% 47 12.9% 4 1.2% 2.1% Labour +27 1995 38.6% 27 47.9% 55 11.2% 3 0.8% 1.4% 2 Labour +23 1996 40.8% 31 44.2% 51 13.2% 4 0.4% 0.5% 1 Labour +15 1997 1998 50.1% 48 35.5% 36 11.7% 2 1.2% 0.5% 1 LibDem +9 1999 50.6% 46 37.8% 37 9.2% 3 1.1% 0.5% 1 LibDem +5 2000 44.9% 39 37.3% 43 14.1% 4 2.2% 1.1% 1 Labour -2 2001 2002 36.4% 29 44.3% 55 13.5% 3 3.3% 0.9% Labour +23 2003 36.0% 32 41.0% 51 14.3% 3 6.0% 1 0.9% 0 0.4% 0 0.9% 0 Labour +15 2004 34.3% 36 38.3% 42 17.7% 5 7.2% 1 0.2% Labour +0 2005 2006 34.0% 34 33.7% 39 15.0% 5 10.8% 3 2.2% 2 2.2% 0 1.7% 1 Labour -6 2007 33.9% 34 34.7% 40 14.3% 4 9.6% 2 3.2% 2 1.7% 0 2.2% 2 Labour -4 2008 36.9% 37 30.2% 33 16.0% 6 8.9% 3 4.1% 3 1.5% 2.3% 2 LibDem -10 2009 2010 36.2% 38 35.5% 42 14.6% 3 6.3% 1 3.7% 0 2.7% 0 0.8% 0 Labour +0 2011 26.2% 22 48.2% 58 11.8% 1 11.3% 3 0.4% 0 1.7% 0 1.1% 0 Labour +32 2012 22.0% 21 46.9% 57 8.1% 2 10.3% 3 10.5% 1 2.0% 0 Labour +30 2013 2014 17.7% 12 36.7% 44 7.0% 1 12.8% 7 22.7% 20 1.7% 0 Labour +4 2015 16.5% 12 41.0% 51 12.5% 2 12.0% 6 16.7% 13 1.2% 0 Labour +18 2016 23.7% 15 43.9% 55 6.1% 0 13.6% 6 0.9% 0 11.1% 8 0.2% 0 Labour +26 2017 24.7% 18 43.2% 54 6.3% 0 14.0% 6 0.8% 0 10.6% 6 0.1% 0 Labour +24 2018 24.5% 20 40.2% 48 13.3% 7 17.6% 9 2.0% 0 0.3% 0 Labour +12 2019 24.5% 20 31.6% 39 8.0% 0 22.5% 16 11.3% 9 1.2% 0 Labour -6 2020 2021 21.0% 15 37.0% 40 18.7% 14 20.2% 15 1.0% 0 1.9% 0 Labour -4 Comparison with actual FPTP results ----------------------------------- LibDem Labour Conservative Green BNP/Other UKIP Others Majority Party FPTP STV FPTP STV FPTP STV FPTP STV FPTP STV FPTP STV FPTP STV FPTP STV ------------------------------------------------------------------------------------------------------------- 1990 7 6 69 73 10 8 1 Lab+51 Lab+59 1991 6 12 70 62 11 13 Lab+53 Lab+37 1992 9 15 67 48 11 24 Lab+47 Lab+9 1993 11 20 65 46 11 21 Lab+43 Lab+5 1994 22 36 56 47 8 4 Lab+26 Lab+27 1995 25 27 58 55 4 3 0 2 Lab+29 Lab+23 1996 31 31 55 51 1 4 0 1 Lab+23 Lab+15 1997 31 31 55 51 1 4 0 1 1998 36 48 50 36 1 2 0 1 Lab+13 LbD+9 1999 47 46 39 37 1 3 0 1 LbD+7 LbD+5 2000 48 39 36 43 1 4 2 1 LbD+9 Lab-2 2001 48 39 36 43 1 4 2 1 2002 42 29 43 55 2 3 Lab-1 Lab+23 2003 36 32 49 51 1 3 0 1 Lab+14 Lab+15 2004 37 36 44 42 2 5 1 1 Lab+4 Lab+0 2005 37 34 44 42 2 5 1 1 Lab+4 Lab+0 2006 35 34 44 39 2 5 2 3 0 2 0 0 1 1 Lab+4 Lab-6 2007 39 37 41 40 1 4 2 2 0 2 0 0 1 2 Lab-2 Lab-4 2008 45 37 36 33 0 6 3 3 0 3 0 2 LbD+6 LbD-10 2009 44 37 36 33 0 6 3 3 0 3 1 2 LbD+6 LbD-10 2010 42 38 39 42 0 3 2 1 1 0 LbD+0 Lab+0 2011 32 22 50 58 0 1 2 3 Lab+16 Lab+32 2012 23 21 59 57 0 2 2 3 0 1 Lab+34 Lab+30 2013 22 21 60 58 0 1 2 3 0 1 Lab+36 Lab+32 2014 18 12 59 44 0 1 4 7 3 20 Lab+34 Lab+4 2015 17 12 59 51 0 2 4 6 4 13 Lab+34 Lab+18 2016 19 15 57 55 0 0 4 6 4 8 Lab+30 Lab+26 2017 20 18 56 54 0 0 4 6 4 6 Lab+28 Lab+24 2018 22 20 53 48 0 7 6 9 3 0 Lab+22 Lab+12 2019 26 20 49 39 0 0 8 16 1 9 Lab+14 Lab-6 2020 26 20 49 39 0 0 8 16 1 9 Lab+14 Lab-6 2021 29 15 41 40 1 14 13 15 0 0 Lab-2 Lab-4