prevalence

noun

prev·​a·​lence ˈpre-və-lən(t)s How to pronounce prevalence (audio)
ˈprev-lən(t)s
1
: the quality or state of being prevalent
2
: the degree to which something is prevalent
especially : the percentage of a population that is affected with a particular disease at a given time

Examples of prevalence in a Sentence

the prevalence of rumors when hard information is withheld from the public
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Sweden became the first country in the world to reach smoke-free status in 2024 (defined as under 5% smoking prevalence). Markus Lindblad, Forbes.com, 13 June 2025 Scoring for the loans favors disadvantaged census tracks and prioritizes projects with the greatest public health impact and need, including a prevalence of schools, hospitals and senior communities. Mike Nolan, Chicago Tribune, 12 June 2025 On the other hand, Vietnamese, Chinese, Filipino and Indian older adults have higher prevalences of self-care disability. Claire Wang, NBC news, 11 June 2025 The global village coffeehouse interior design trend, now dubbed online as an aesthetic or ambiance, was a style that emerged and gained prevalence from the late 1980s to the late 1990s. Melissa Fleur Afshar, MSNBC Newsweek, 11 June 2025 See All Example Sentences for prevalence

Word History

First Known Use

1682, in the meaning defined at sense 1

Time Traveler
The first known use of prevalence was in 1682

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Cite this Entry

“Prevalence.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/prevalence. Accessed 17 Jun. 2025.

Kids Definition

prevalence

noun
prev·​a·​lence ˈprev(-ə)-lən(t)s How to pronounce prevalence (audio)
1
: the state of being prevalent
2
: the degree to which something is prevalent
especially : the part of a population that is affected with a particular disease at a given time

Medical Definition

prevalence

noun
prev·​a·​lence ˈprev(-ə)-lən(t)s How to pronounce prevalence (audio)
: the percentage of a population that is affected with a particular disease at a given time compare incidence sense 2b

More from Merriam-Webster on prevalence

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