decennial

[dih-sen-ee-uhl]

adjective

1. of or for ten years.

2. occurring every ten years.

noun

1. a decennial anniversary.

2. its celebration.

decennial

/ dɪˈsɛnɪəl /

adjective

1. lasting for ten years

2. occurring every ten years

noun

1. a tenth anniversary or its celebration

Other Word Forms

• decennially adverb

Word History and Origins

Origin of decennial¹

1650–60; < Latin decenni ( um ) a period of ten years ( decenn ( is ) decennary + -ium -ium ) + -al ¹

Example Sentences

To revise the directive in time for the 2030 decennial census, the Census Bureau by statute has until April 1, 2027, to advise Congress of the changes.

Read more on The Wall Street Journal

The Census Bureau is using the Biden administration’s flawed methodology to collect racial data for parts of the Current Population Survey and has plans to implement it fully in the American Community Survey in 2027 and in the 2030 decennial census.

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When will it issue its maps after the decennial census?

Read more on Slate

Since the latest redistricting, in 2021 — triggered as usual by the constitutionally mandated decennial census — the map crafted by the commission has survived legal and political challenges, and the current districts are set to be in place through the next round of redistricting in 2031.

Read more on Los Angeles Times

Some states have taken serious steps to do that by enacting laws that require commissions to redraw the lines after the decennial census, or by using computer models.

Read more on Salon