decennial

adjective

de·​cen·​ni·​al di-ˈse-nē-əl How to pronounce decennial (audio)
1
: consisting of or lasting for 10 years
2
: occurring or being done every 10 years
the decennial census
decennial noun
decennially adverb

Examples of decennial in a Sentence

Recent Examples on the Web Times journalists worked with the Los Angeles County Internal Services Department to access both the decennial Census and the American Community Survey for the most detailed data possible on Census tract level for Los Angeles. Sandhya Kambhampati, Los Angeles Times, 16 May 2024 According to the park's decennial census, the saguaro population in 2020 was only slightly higher than in 2010, and Swann expects a decline in 2030. CBS News, 15 May 2024 The decennial count determines each state's share of House representatives and electoral college votes. Suzanne Nuyen, NPR, 6 May 2024 The state Department of Finance uses the decennial federal census, combined with records for births, deaths, and people moving to make annual population estimates for California’s counties and cities for planning and the appropriation of funds. Harriet Blair Rowan, The Mercury News, 1 May 2024 Last year, the state Democratic Party lost control of the decennial redistricting process, blew a bunch of close races, and helped hand control of the House of Representatives to the Republican Party. Eric Lach, The New Yorker, 1 Dec. 2023 In 2020, the decennial U.S. census recorded the second-lowest decade of relative population growth since the first census was taken in 1790. Riley Robinson, The Christian Science Monitor, 27 Mar. 2024 But as its name suggests, the decennial census is conducted every ten years. Gaby Del Valle, The Verge, 25 Mar. 2024 That’s because, to split the state roughly evenly into 40 Senate districts, the decennial redistricting in 2021 couldn’t always follow natural political and geographic divisions. East Bay Times Editorial, The Mercury News, 6 Feb. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'decennial.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

circa 1656, in the meaning defined at sense 1

Time Traveler
The first known use of decennial was circa 1656

Dictionary Entries Near decennial

Cite this Entry

“Decennial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/decennial. Accessed 23 May. 2024.

Kids Definition

decennial

adjective
de·​cen·​ni·​al di-ˈsen-ē-əl How to pronounce decennial (audio)
1
: consisting of 10 years
2
: happening every 10 years
decennial census
decennially adverb

More from Merriam-Webster on decennial

Last Updated: - Updated example sentences
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