Only 48 per cent back capital punishment down from 54 per cent in 2013 . When records began in 1986 , 74 per cent supported the death penalty . The poll also found that a majority of Americans believe it is more important to protect people who are innocent than those convicted of crimes.
Only 48 per cent back capital punishment down from 54 per cent in 2013 . When records began in 1986 , 74 per cent supported the death penalty . Survey by NatCen found Ukip voters most likely to support the measure .