We’ve all heard the admonitions that with life spans growing longer, retiring at age 65 may not be economically possible, either for individuals or for the society as a whole.

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But here’s some discouraging news from the Employee Benefit Research Institute: For about one-third of working-age households (those between ages 30 and 59 in 2007), working until age 70 won’t enough to provide adequate income in retirement.

Source: WSJ