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"Adult diaper sales surpass baby diapers in Japan" http://news.msn.com/rumors/rumor-adult-diaper-sales-surpass-baby-diapers-in-japan http://news.msn.com/rumors

• Groxx 13y ago
  I'm not sure what the claim is here. Kids need diapers for a few years, which we can basically assume is constant. Meanwhile, lifespans keep increasing (especially in the past average-lifespan, say 80 years), and I assume adult diapers are used for significantly longer per person. At even a 1:1 birth/death rate, given a long enough average lifespan, I would expect more adult diaper sales unless we find better / permanent fixes for whatever causes the need for adult diapers in the first place.
  • coldtea 13y ago
    Not all older adults use diapers. In fact, a quite small fraction of them do. Baby diapers oversell adult diapers in all but extremely freaky situations... And they have sub-replacement fertility rates -- which means that there are more deaths than births in the long run.