This idea is being used to rationalize cuts in old-age benefits in numerous advanced countries -- most recently in France, and soon in the United States. The cuts are disguised as increases in the minimum retirement age or as increases in the age at which full pensions will be paid.
Such cuts have a perversely powerful logic: "We" are living longer. There are fewer workers to support each elderly person. Therefore "we" should work longer.
But in the first place, "we" are not living longer. Wealthier elderly are; the non-wealthy not so much. Raising the retirement age cuts benefits for those who can't wait to retire and who often won't live long. Meanwhile, richer people with soft jobs work on: For them, it's an easy call.
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