Raising the Social Security retirement age is unpopular
Most of the candidates on stage said they want to increase the retirement age for Social Security benefits, with some like Christie and Haley mentioning that their proposals would mainly affect people like their children, who are in their 20s and 30s. Still, the idea of raising the eligibility age is extremely unpopular across the board. In March, 62% of Americans told Quinnipiac University they opposed raising the full retirement age from 67 to 70, with majorities opposing it in every age group. The GOP candidates are also in a tough spot because Trump has recently opposed raising the retirement age or reducing benefits. Additionally, coming off as anti-Social Security could also scare older voters, who tend to be more Republican and will make up a sizable chunk of the primary electorate.
-Analysis by Geoffrey Skelley of 538