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year-over-year

American  
[yeer-oh-ver-yeer] / ˈyɪərˈoʊ vərˈyɪər /
Or year over year

adverb

Accounting, Finance.
  1. as compared with the corresponding figure 12 months earlier; involving or reckoned by such a comparison: YoY

    Exports fell 2 percent year over year in May.

    February rents for one-bedroom apartments saw a year-over-year increase of 6 percent.

  2. in each year that passes after an initial investment, the start of an observed trend, etc.; annual or annually.

    The gain from this software purchase has been our best ROI year over year.

    Over the last decade, the year-over-year trend in inflation has strongly correlated with the year-over-year trend in GDP.


Etymology

Origin of year-over-year

First recorded in 1790–1800, for an earlier sense

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“Pokemon is the only category that has sustained this type of global, year-over-year demand.”

From Los Angeles Times

Diagnostics sales declined 2.5%, which Abbott attributed to an “anticipated” year-over-year slump in Covid testing sales.

From Barron's

On the last earnings call, Meta signaled roughly $110 billion of planned capital expenditures in 2026, which would make for a 56% year-over-year increase.

From MarketWatch

Headline PCE is also expected to increase 0.2% on the month and 2.8% year-over-year.

From Barron's

The consensus estimate for November is for a 2.8% year-over-year increase in the PCE price index.

From Barron's