year-over-year
Americanadverb
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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.
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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.
Food prices rose by 90% year-over-year in January, with headline inflation running at 60%.
From Barron's
Food prices rose by 90% year-over-year in January, with headline inflation running at 60%.
From Barron's
Year-over-year sales growth peaked at 265% in the fourth quarter of fiscal 2024, and it declined through the second quarter of 2026.
From Barron's
With the benchmark 10-year Treasury under 4%—which has pulled the 30-year fixed mortgage rate under 6% for the first time since 2022—that leaves little real return, with the personal consumption deflator, the Federal Reserve’s main inflation gauge, running at a 2.9% year-over-year rate.
From Barron's
Some sellers are holding back, too, with new listings down 2.8% year-over-year.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
