Lindy's delicatessen at Broadway and 51st St in New York City So the Lindy effect does not apply to individual human lifespan: it is unlikely for a 5-year-old human to die within the next 5 years, but it is very likely for a 70-year-old human to die within the next 70 years, while the Lindy effect would predict these to have equal probability.

For example, human beings are perishable: the life expectancy at birth in developed countries is about 80 years. The Lindy effect applies to 'non-perishable' items, those that do not have an 'unavoidable expiration date'. Nassim Nicholas Taleb has expressed the Lindy effect in terms of 'distance from an absorbing barrier'. The Lindy effect has subsequently been theorized by mathematicians and statisticians. The concept is named after Lindy's delicatessen in New York City, where the concept was informally theorized by comedians. Mathematically, the Lindy effect corresponds to lifetimes following a Pareto probability distribution. Where the Lindy effect applies, mortality rate decreases with time. Longevity implies a resistance to change, obsolescence or competition and greater odds of continued existence into the future. Thus, the Lindy effect proposes the longer a period something has survived to exist or be used in the present, the longer its remaining life expectancy. The Lindy effect (also known as Lindy's Law ) is a theorized phenomenon by which the future life expectancy of some non-perishable things, like a technology or an idea, is proportional to their current age.

Paradoxical decrease in mortality rate with age

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