decennial

American  

[dih-sen-ee-uhl] / dɪˈsɛn i əl /

adjective

1. of or for ten years.

2. occurring every ten years.

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noun

1. a decennial anniversary.

2. its celebration.

decennial British  

/ dɪˈsɛnɪəl /

adjective

1. lasting for ten years

2. occurring every ten years

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noun

1. a tenth anniversary or its celebration

Other Word Forms

• decennially adverb

Etymology

Origin of decennial

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.

From The Wall Street Journal

When will it issue its maps after the decennial census?

From 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.

From 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.

From Salon

After the decennial census, states redraw district lines for congressional and legislative districts based on population shifts, protections for minority voters required by the federal Voting Rights Act and other factors.

From Los Angeles Times