tax base

noun

: the wealth (such as real estate or income) within a jurisdiction that is liable to taxation

Examples of tax base in a Sentence

an area with a large tax base
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The governor has raised concerns that the tax would drive the state’s wealthiest residents out of California, doing long-term damage to the state’s tax base and stifling innovation. Grace Hase, Mercury News, 26 June 2026 Earnings from Israel made up nearly a quarter of the West Bank’s gross domestic product, generating income for households, local markets, and the government’s tax base. Nirit Peled, New Yorker, 26 June 2026 The taxpayers’ group said the number of people aged 65 and older is expected to grow by 244,000 over the next two decades-plus, driving up demand for the most expensive services while the working-age tax base shrinks. Jeff McDonald, San Diego Union-Tribune, 21 June 2026 Several high-profile billionaires have relocated to lower-tax states such as Texas and Florida, fueling opponents’ fears that the state’s tax base could erode further. Barnini Chakraborty, The Washington Examiner, 19 June 2026 See All Example Sentences for tax base

Word History

First Known Use

circa 1943, in the meaning defined above

Time Traveler
The first known use of tax base was circa 1943

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Cite this Entry

“Tax base.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tax%20base. Accessed 28 Jun. 2026.

Legal Definition

tax base

noun
1
: a sum (as the total assessed valuation of property in a county) used as the basis of taxation
2
: the source of tax revenue for a governmental body
change the tax base of a school district to reduce the property tax burden
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