evidence: Republicans have touted raising the retirement age. Former presidential candidate Nikki Haley said she would raise the Social Security retirement age for workers in their 20s. More recently, a House Republican budget proposal also called for lifting the age threshold for Social Security, though it did not specify by how much. [...] Fichtner, who supports raising the retirement age, said that change would need to be paired with a higher minimum benefit, so as not to punish workers who cannot work longer.