Definition of decile in English:


Line breaks: de¦cile
Pronunciation: /ˈdɛsʌɪl


  • 1Each of ten equal groups into which a population can be divided according to the distribution of values of a particular variable: the lowest income decile of the population
    More example sentences
    • In one study based on U.S. data, for example, people in the top decile of the income distribution averaged more than five points higher on a ten-point happiness scale than people in the bottom decile.
    • The bottom deciles all lost real income between 1982 and 1998.
    • Individuals who were in the lowest part of the income distribution for more than a decade face gasoline tax burdens nearly twice as high as the burden placed on the top decile of income.
  • 1.1Each of the nine values of the random variable which divide a population into ten deciles.
    More example sentences
    • Nine intervals, rather than deciles, were selected so that the expected mean value would be contained in a single central interval.


late 17th century: from French décile, from a medieval Latin derivative of Latin decem 'ten'.

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