The chart below shows that just 35% of the 18-to-25-year-old age group leans Republican, a whopping 20% decline from the peak (55%) in 1991 and at a 20-year low.


Source: Pew Research Center

More than a few political studies show that party identification occurs at a fairly early age and stays true to form through adult life. For those in the GOP who truly care about the fate of the party, odds favor them trying their hardest to wrestle control away from the lunatic right and steer things back to a more moderate sensibility. If not, Republicans will become a dying breed.