ap·​por·​tion | \ ə-ˈpȯr-shən How to pronounce apportion (audio) \
apportioned; apportioning\ ə-​ˈpȯr-​sh(ə-​)niŋ How to pronounce apportion (audio) \

Definition of apportion

transitive verb

: to divide and share out according to a plan especially : to make a proportionate division or distribution of Representatives are apportioned among the states.

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Other Words from apportion

apportionable \ ə-​ˈpȯr-​shə-​nə-​bəl How to pronounce apportion (audio) \ adjective

Examples of apportion in a Sentence

The proceeds from the auction will be apportioned among the descendents. Apportion the expenses between the parties involved. The agency apportions water from the lake to residents.
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Recent Examples on the Web The once-per-decade count determines the number of U.S. House seats allotted to each state and is used by federal officials to apportion $1.5 trillion a year in aid based on population. Bob Egelko, San Francisco Chronicle, "Settlement of census case means everyone, regardless of citizenship status, gets counted," 22 Apr. 2021 The president is seeking to exclude undocumented immigrants from census calculations used to apportion House of Representatives seats and electoral votes, a policy that also could impact the distribution of federal funds. Richard Wolf, USA TODAY, "President Trump's war on immigration takes on political overtone at Supreme Court," 29 Nov. 2020 Though the state had previously pledged to apportion vaccines by population, many populous jurisdictions in the state rank near the bottom of the per-capita allocation list. James Whitlow,, "One year after its first coronavirus case, Harford County trying to secure its fair share of COVID-19 vaccines," 8 Mar. 2021 States have to certify the results of the election — confirming that the vote tabulation was accurate — in order to apportion their Electoral College votes. Alan Feuer, New York Times, "Trump Loses String of Election Lawsuits, Leaving Few Vehicles to Fight His Defeat," 13 Nov. 2020 The once-per-decade census determines each state’s number of seats in the House of Representatives and is used by federal officials to apportion $1.5 trillion in funds per year to the states. Bob Egelko,, "U.S. Supreme Court ends census-taking, suspending San Jose judge’s order to keep counting," 13 Oct. 2020 Census data is used to apportion congressional seats and allocate government spending on schools, hospitals, roads, and other public works and programs. Baobao Zhang, Fortune, "In defense of pollsters," 13 Nov. 2020 The census determines each state’s number of seats in the House of Representatives and is used by federal officials to apportion $1.5 trillion in funds per year. Bob Egelko,, "Appeals court stops Trump administration from shutting down census before Oct. 31 deadline," 7 Oct. 2020 That in turn would have made April 30 the deadline for reporting final numbers used to apportion House seats and distribute federal funds for the next 10 years. Richard Wolf, USA TODAY, "Supreme Court temporarily allows Trump administration to end census head count," 13 Oct. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'apportion.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of apportion

15th century, in the meaning defined above

History and Etymology for apportion

Middle French apportionner, from a- (from Latin ad-) + portionner to portion

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Time Traveler for apportion

Time Traveler

The first known use of apportion was in the 15th century

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Statistics for apportion

Last Updated

28 Apr 2021

Cite this Entry

“Apportion.” Dictionary, Merriam-Webster, Accessed 10 May. 2021.

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More Definitions for apportion



English Language Learners Definition of apportion

formal : to divide (something) among or between people : to give (a part of something) to a number of people


transitive verb
ap·​por·​tion | \ ə-ˈpȯr-shən How to pronounce apportion (audio) \

Legal Definition of apportion

: to make a usually proportionate division or distribution of (an amount due) according to a plan: as
a : to divide (an amount due in tax or other liability) among the parties responsible for respective shares of the payment — compare contribution
b : to assign (a portion of the consideration agreed to in a contract) as payment for the other party's partial performance
c : to distribute (corporate dividends) based on some proportion
d : to assign (legislative representatives and taxes) among the states as provided by law

Other Words from apportion

apportionable adjective
apportionment noun

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