Knowra Tax base Tax base A tax base is the value, income, transaction, or property on which a tax is assessed. Its definition determines which economic activity is subject to the tax and how much revenue a given rate can raise.
Taxable income : Income remaining subject to tax after permitted exclusions, deductions, and adjustments. Income taxes use this amount as their base after statutory adjustments.
Tax : A compulsory payment imposed by a government to fund public purposes or regulate behavior. The tax base is one element in the design of any tax.
Income tax : A tax imposed on income earned by individuals or entities. Its base may include wages, business profits, investment returns, or combinations of them.
Broad-based tax : A tax that applies to a wide range of income, transactions, or economic activity. A broader base can support lower rates than a narrowly defined base.
Tax revenue : Government income collected through taxes during a specified period. The base’s size and responsiveness constrain how much a given rate can raise.
Tax rate : The percentage or fixed amount applied to a tax base to calculate tax owed. Together, the rate and base determine the tax liability.
Tax assessment : The determination of a taxpayer’s legally taxable amount and resulting liability. Assessment applies the base’s rules to a particular person or transaction.
Value-added tax : A consumption tax collected in stages on value added to goods and services. Its base is consumption measured through taxable sales across production stages.
Narrow tax base : A tax base limited to a restricted set of people, activities, or assets. Exemptions and exclusions can concentrate a tax burden on fewer taxable items.
Tax progressivity : A tax structure in which effective rates rise as the measure of ability to pay increases. The base and its thresholds help determine how burdens vary across incomes.
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