Taxation in the United States
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| Taxation in the United States | |
|---|---|
 Congressional Budget Office · Public domain · source | |
| Name | Taxation in the United States |
| Caption | Flag of the United States |
| Jurisdiction | United States |
| Started | 1789 |
Taxation in the United States governs levies imposed by federal, Congressional and subnational authorities across the United States. Federal levies, administered primarily by the Internal Revenue Service, coexist with a diversity of state tax systems in the fifty states and numerous localities, producing a complex web of statutory provisions, enforcement mechanisms, and policy debates involving institutions such as the Supreme Court and actors including the President.
Overview
The modern U.S. tax system includes major federal levies like the Internal Revenue Code income tax, payroll taxes funding Social Security and Medicare, corporate income taxes tied to Treasury policy, and excise duties on goods overseen historically by the Department of the Treasury. At the state and local level, jurisdictions such as California, Texas, New York, and Florida deploy combinations of sales tax, property tax, and individual income tax instruments. Key administrative actors include the Internal Revenue Service and state departments of revenue; adjudication often reaches the United States Tax Court and the federal appeals courts.
History
Colonial-era levies were imposed by the British Parliament and resisted in events like the Boston Tea Party and the American Revolutionary War, leading to fiscal arrangements established by the Articles of Confederation and later framed by the United States Constitution which empowered Congress to tax. The Civil War precipitated the first federal income taxes; the landmark Sixteenth Amendment (1913) authorized a modern income tax structure overseen by entities that evolved into the Internal Revenue Service. Major episodes shaping policy include the Revenue Act of 1913, the Revenue Act of 1921, the wartime fiscal expansions of World War II and the Revenue Act of 1942, the Tax Reform Act of 1986 under Ronald Reagan, and the Tax Cuts and Jobs Act of 2017 enacted during the administration of Donald Trump.
Federal taxes
Federal taxation comprises individual income tax, corporate income tax, payroll taxes, excise taxes, and estate and gift taxes codified in the Internal Revenue Code. Individual brackets and credits are set by statutes such as the Tax Cuts and Jobs Act of 2017 and litigated in venues like the United States Supreme Court and United States Tax Court. Payroll taxation finances programs administered by the Social Security Administration and CMS. Corporate tax policy implicates multinational rules referenced by the Organisation for Economic Co-operation and Development and decisions like the GILTI (Global Intangible Low-Taxed Income) regime. Enforcement tools include audits, liens, and levies with appeal pathways through the United States Tax Court and the judicial system.
State and local taxes
State taxation varies widely: California Franchise Tax Board and New York State Department of Taxation and Finance administer progressive personal income taxes, while states such as Texas and Florida rely on sales and property tax structures administered by county assessors. Local property taxes fund institutions like public schools and municipal services in cities such as Chicago, Los Angeles, and Houston. Interstate issues implicate the Commerce Clause as interpreted by the Supreme Court of the United States, and landmark cases like Complete Auto Transit, Inc. v. Brady have shaped nexus and sourcing rules. Tax incentives and credits are used by state economic development agencies and have led to litigation and debate involving entities such as Amazon and Tesla.
Tax administration and enforcement
Administration at the federal level centers on the Internal Revenue Service, supported by the Treasury and guided by statutory authority in the Internal Revenue Code. Enforcement techniques include civil audits, criminal investigations by the IRS-CI, and collection procedures adjudicated in the United States Tax Court. Compliance assistance and taxpayer rights are articulated in documents like the Taxpayer Bill of Rights. High-profile enforcement matters have involved figures such as Wesley Snipes and institutions like major accounting firms; financial reporting standards interplay with the Securities and Exchange Commission for publicly traded corporations.
Tax policy and reform debates
Debates over tax policy engage policymakers, think tanks, and political figures including Alexander Hamilton, modern scholars at the Brookings Institution and Tax Policy Center, and legislators in the United States Senate and United States House of Representatives. Contentious topics include progressivity versus flat-rate proposals, the role of tax expenditures such as the mortgage interest deduction, international tax competition addressed by the Organisation for Economic Co-operation and Development Base Erosion and Profit Shifting initiatives, and debates over deficit financing raised during sessions of the Congressional Budget Office. Major reform attempts have arisen under administrations of Franklin D. Roosevelt, Lyndon B. Johnson, Bill Clinton, George W. Bush, and Barack Obama.
Economic effects and distributional impact
Taxation shapes labor supply, capital allocation, and intergenerational wealth transfers analyzed by scholars at institutions like National Bureau of Economic Research and the Urban Institute. Empirical studies assess incidence and redistribution across groups such as households in poverty and high-income filers including executives at firms like Apple Inc. and ExxonMobil. Distributional effects are evaluated using methods developed by economists like Thomas Piketty and Emmanuel Saez, and policy instruments such as earned income tax credits affect outcomes studied in randomized trials and observational research by universities including Harvard University and University of Chicago. Litigation and legislative changes continue to reshape incentives, compliance, and revenue collection with consequences for public finance and public programs such as Medicaid and unemployment insurance.