The term "tax base" refers to the total amount of assets, income, or economic activity subject to taxation in a particular geographic area or jurisdiction. Synonyms for "tax base" include "taxable resources," "revenue sources," and "taxable wealth." Other similar terms include "taxable property," "taxable assets," and "taxable income." The tax base is important because it determines the amount of revenue generated for local governments, which in turn impacts their ability to provide essential public services. Accurately measuring and maintaining a tax base is crucial for governments to ensure long-term financial stability and sustainability.