Pew Research. set a new record rebounded from 2012 lows rebounded from 2012 lows turnout fraction report by the Pew Research Center Republicans and Democrats each only comprise ~15% of voters rebounded from 2012 lows (Pew Research) saw a record percentage How many people voted in the 2016 primaries about 30% Republicans and Democrats each only comprise ~15% of voters Republicans and Democrats each only comprise ~15% of voters Republicans and Democrats each only comprise ~15% of voters rebounded from 2012 lows voting functionality has led the charge Something online nearly identical to recent primaries nearly record-high turnout primary turnout rose Something online 28.5 percent lower in 2016 than in 2008 28 percent of eligible voters