year-over-year

adjective

Definition of year-over-year

:comparing or based on comparing the same time period in successive years
  • year-over-year growth
  • year-over-year increases/declines
  • The insurer said it paid out 16 percent less for catastrophe and storm claims on a year-over-year basis in the fourth quarter …
  • —Victor EpsteinThe Des Moines Register21 Feb. 2014

year over year

or less commonly year-over-year adverb
    • The society argued in the Journal of Forestry last year that this simple accounting is reasonable in the United States, where forest inventories have increased year over year since the 1930s.
    • —Peter FairleyIEEE SpectrumApril 2012
    • “Wall Street doesn't understand the seasonality of Intel's business,” says Michael Murphy, editor of the California Technology Stock Letter. “Their revenues will be down sequentially versus the first quarter, but year-over-year, growth will be 25%.”
    • —Andrew BaryBarron's Market Week26 May 1997

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First Known Use of year-over-year

1951


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