Still, low-income earners receive a higher percentage of their wages back in the form of benefit payments than high earners do, and in this way Social Security is already a "progressive" policy, says Moeller.
Is growing income inequity hurting Social Security? →
Seven percentage points doesn’t seem like a lot — but it’s a whole lot," says Philip Moeller, author of “Get What’s Yours: The Secrets to Maxing Out Your Social Security," who notes that the gap adds up to billions quickly.