ap·​por·​tion | \ ə-ˈpȯr-shən How to pronounce apportion (audio) \
apportioned; apportioning\ ə-​ˈpȯr-​sh(ə-​)niŋ How to pronounce apportioning (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 apportionable (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 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 The case is one of several high-stakes legal battles over the census, whose tallies are used to apportion House seats, determine legislative districts and distribute at least $800 billion a year in federal funds. Bob Egelko,, "Court knocks down Trump attempt to exclude undocumented immigrants from census," 10 Sep. 2020 Some experts apportion considerable blame to the two multinational gas suppliers who dominate the market for oxygen cylinders in most African countries, saying their high prices make the treatment unaffordable. Madlen Davies, Quartz Africa, "Lack of oxygen leaves patients in Africa gasping for air," 11 Aug. 2020 On its website Friday, the bureau listed the deadline for processing data used to apportion the districts as Dec. 31. Mike Schneider, Star Tribune, "With time extension stalled, Census speeds up count schedule," 31 July 2020 Saturday’s report did not apportion direct blame or liability, arguing that this would have hampered the investigators’ ability to secure the cooperation of those involved. Louisa Loveluck, Washington Post, "Misaligned radar responsible for downing of Ukrainian passenger jet, Iran says," 12 July 2020 In April, more than a dozen mental-health organizations called on Congress to apportion $38.5 billion in emergency funding to protect the nation’s existing treatment infrastructure, plus an additional $10 billion for pandemic response. Jacob Stern, The Atlantic, "This Is Not a Normal Mental-Health Disaster," 7 July 2020 The inability of the United States to deploy widespread testing for the coronavirus has further complicated how the supplies are being apportioned because health officials do not have a complete picture of where the virus is circulating most widely. Mike Spies, ProPublica, "Here’s Why Florida Got All the Emergency Medical Supplies It Requested While Other States Did Not," 20 Mar. 2020 Although the Associated Press projected the winners of 14 states that voted Tuesday, delegates from many of them were still being apportioned. Chad Day, WSJ, "Biden, Sanders Look to Next Contests as Bloomberg Exits," 4 Mar. 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

24 Oct 2020

Cite this Entry

“Apportion.” Dictionary, Merriam-Webster, Accessed 28 Oct. 2020.

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More Definitions for apportion


How to pronounce apportion (audio)

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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