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Mortality rates level off at extreme age The demography of human longevity is a contentious topic. On the basis of high-quality data from Italians aged 105 and older, Barbiet al. show that mortality is constant at extreme ages but at levels that decline somewhat across cohorts. Human death rates increase exponentially up to about age 80, then decelerate, and plateau after age 105.Science , this issue p.1459

The plateau of human mortality: Demography of longevity pioneers