America's Tax Relations: A Comprehensive

Analysis of Past, Present, and Future

Abstract
This research paper examines the evolution of the United States tax system from its colonial origins to its current
structure, analyzing both domestic policies and international tax relations. The study explores historical
developments, current tax framework, and future projections, providing insights into how America's taxation
approach has shaped its economic and social landscape while influencing global tax policy.

1. Introduction
Taxation has been a fundamental aspect of American governance since the nation's founding, reflecting broader
economic, political, and social priorities. From Benjamin Franklin's famous assertion that "nothing is certain in this
world but death and taxes," to today's complex tax code spanning thousands of pages, the American tax system
has undergone continuous evolution [1] . This paper examines America's tax relations through three critical
dimensions: historical development, current structure, and future trajectories.

2. Historical Evolution of American Taxation (1776-2017)

2.1 Colonial and Early Federal Period (1776-1862)

Before achieving independence, American colonists experienced taxation under British rule, including excise
taxes on commodities ranging from real estate to tea [2] . The Boston Tea Party of 1773 symbolized colonial
resistance to "taxation without representation," establishing a persistent American wariness toward taxation that
continues to influence policy today [3] .
Following the Revolutionary War, the newly established United States government was cautious about taxation.
The Constitution initially prohibited direct taxation, and government revenues were primarily collected through
tariffs and duties on liquor, tobacco, sugar, and legal documents [2] . The first major challenge to this system came
with the Whiskey Rebellion of 1794, when Pennsylvania farmers burned down tax collectors' houses in protest of
liquor taxes [2] .

2.2 Birth of Federal Income Tax (1862-1913)

The American Civil War created the first significant need for federal income taxation. In 1862, President Lincoln
signed legislation creating the Commissioner of Internal Revenue and imposing the nation's first income tax,
levying 3% on incomes between $600 and $10,000, and 5% on incomes over $10,000 [1] [4] . This tax was
repealed in 1872 but was revived in 1894 through the Wilson Tariff Act, only to be declared unconstitutional by the
Supreme Court in 1895 [1] .
The constitutional barrier was overcome with the ratification of the 16th Amendment on February 3, 1913, which
granted Congress the power to "lay and collect taxes on incomes, from whatever source derived, without
apportionment among the several states" [1] [4] . Initially, less than 1% of Americans paid income tax, with rates
starting at only 1% of net income [1] .
2.3 World Wars and Expansion (1914-1945)
World War I dramatically expanded the federal tax system. The Revenue Act of 1918 imposed progressive income
tax rates reaching up to 77% on the highest earners to finance the war effort [4] [5] . The top marginal rate
fluctuated significantly in the following decades, reaching 25% in 1925 during the economic boom of the 1920s [3] .
The Great Depression and World War II marked another transformative period. By 1932, facing budget deficits,
Congress passed the Tax Act that dramatically increased tax rates, with the top rate reaching 79% by 1936 [3] .
World War II necessitated even higher rates, peaking at 94% for the highest earners by 1944 [2] . This period also
saw the introduction of payroll withholding and the expansion of the tax base to include 43 million Americans by
1945 [2] .

2.4 Post-War Developments and Major Reforms (1945-2017)

The post-war era was characterized by several significant tax reforms:
The Revenue Act of 1945 rolled back $6 billion in taxes while maintaining the withholding system introduced
during wartime [2] .
The 1960s-1970s saw the introduction of Medicare taxes and continued high marginal rates exceeding 80% [2] .
The Alternative Minimum Tax (AMT) was created in 1969 to ensure high-income individuals paid minimum taxes
despite using various deductions and credits [1] .
The Reagan Era (1981-1986) brought substantial tax reform. The Economic Recovery Tax Act of 1981 reduced
individual tax brackets by 25% over three years and introduced the Accelerated Cost Recovery System for
business depreciation [3] . The Tax Reform Act of 1986 further reduced the top rate from 50% to 28% while
broadening the tax base and eliminating many deductions [1] [6] .
The Clinton-Bush Years (1993-2008) saw modest tax increases under Clinton, followed by significant cuts under
Bush. The Bush tax cuts reduced the top rate from 39.6% to 35% and were scheduled to expire in 2010 [2] .
The Obama Era (2009-2016) included the American Taxpayer Relief Act of 2012, which restored the top rate to
39.6% while extending most Bush-era cuts for lower-income taxpayers [1] .

3. Current Tax System Structure (2017-2025)

3.1 The Tax Cuts and Jobs Act of 2017

The most recent major overhaul occurred with the Tax Cuts and Jobs Act (TCJA) of 2017, signed by President
Trump. This legislation represented the most significant tax reform in over 30 years, featuring [1] [2] :

Reduction of the top individual rate from 39.6% to 37%

Compression of seven tax brackets with rates of 10%, 12%, 22%, 24%, 32%, 35%, and 37%
Nearly doubling of standard deductions
Reduction of corporate tax rate from 35% to 21%
Limitation of state and local tax (SALT) deductions to $10,000
Expansion of child tax credits
3.2 Current Federal Tax Structure (2025)
For tax year 2025, the federal tax system operates with seven progressive income tax brackets [7] [8] [9] :
Single Filers:

10% on income up to $11,925

12% on income from $11,925 to $48,475
22% on income from $48,475 to $103,350
24% on income from $103,350 to $197,300
32% on income from $197,300 to $250,525
35% on income from $250,525 to $626,350
37% on income over $626,350
Standard Deductions for 2025:

Single filers: $15,000

Married filing jointly: $30,000
Head of household: $22,500

3.3 State and Local Taxation

The American tax system's complexity is amplified by state and local variations. State income tax rates range
from 0% in states like Florida and Texas to 13.3% in California [10] . Combined federal and state rates can reach
over 50% for high-income earners in states like California, New York, and New Jersey [10] .

3.4 Corporate and Business Taxation

The current corporate income tax rate stands at 21% federally, with state corporate taxes adding 0-12%
depending on the jurisdiction [11] . The system also includes:

Corporate Alternative Minimum Tax (CAMT) of 15% for large corporations

Various business deductions and credits
International taxation rules including the Global Intangible Low-Taxed Income (GILTI)
provisions

3.5 International Tax Relations

The United States employs a unique citizenship-based taxation system, meaning American citizens are taxed on
worldwide income regardless of residence [12] [13] . This differs from most countries that use residence-based
systems. Key features include:

Foreign Tax Credit to prevent double taxation

Foreign Earned Income Exclusion ($130,000 for 2025)
Subpart F rules for passive foreign income
GILTI provisions targeting low-taxed foreign income
4. Current Policy Landscape and Recent Developments

4.1 Biden Administration Proposals (2021-2024)

The Biden administration has proposed significant tax increases, particularly targeting high-income individuals
and corporations [11] [14] [15] :
Individual Tax Proposals:

Increase top marginal rate from 37% to 39.6%

Tax capital gains at ordinary rates for high earners
Implement a 25% minimum tax on individuals with net wealth over $100 million
Increase net investment income tax from 3.8% to 5%
Corporate Tax Proposals:

Increase corporate rate from 21% to 28%

Raise CAMT from 15% to 21%
Quadruple stock buyback tax from 1% to 4%
Reform international taxation rules

4.2 Revenue and Spending Context

The Biden administration's tax proposals aim to raise nearly $5.6 trillion over 10 years while providing $988 billion
in tax reductions [11] . The net effect would reduce deficits by approximately $3 trillion over the decade, according
to administration estimates [16] .

5. International Comparisons and Global Context

5.1 Tax Burden Comparison

The United States has a relatively low tax burden compared to other developed nations. In 2021, total US tax
revenue equaled 27% of GDP, well below the 34% weighted average for other OECD countries [17] [18] . Among 38
OECD countries, the United States ranked 32nd in tax-to-GDP ratio in 2023 [18] .

5.2 Comparative Tax Rates

When comparing tax systems internationally [19] [12] [13] :
Income Tax Rates:

US federal rates: 10-37% plus state taxes up to 13.3%

European countries typically range from 15-55% combined
Nordic countries like Denmark reach 55.9% total rates
Eastern European countries often have lower rates (10-32%)
Corporate Tax Rates:

US: 21% federal plus state taxes

 OECD average: approximately 23%
Range from 9% (Hungary) to 35% (various countries)
Social Security Contributions:

US: 15.3% combined employer-employee

European countries typically 30-70% total contributions
Reflects different social benefit structures

5.3 International Tax Competition and Cooperation

The United States plays a crucial role in international tax policy, participating in OECD initiatives including:

Base Erosion and Profit Shifting (BEPS) actions

Global minimum tax agreements
Automatic exchange of tax information
Digital services tax negotiations

6. Future Projections and Policy Trajectories (2025-2035)

6.1 The 2025 Tax Cliff

The most immediate challenge facing American tax policy is the scheduled expiration of most TCJA provisions at
the end of 2025 [20] [21] [22] . Without Congressional action, taxpayers would face:

Reversion to pre-2017 tax rates (top rate returning to 39.6%)

Significant reduction in standard deductions
Restoration of personal exemptions
Removal of the $10,000 SALT deduction cap
Changes to child tax credits and other provisions

6.2 Likely Policy Scenarios

Extension Scenarios:
With Republican control of government, the most likely outcome is extension of most TCJA provisions [21] [22] .
Potential approaches include:

1. Full Extension: Making all individual provisions permanent

2. Selective Extension: Preserving middle-class benefits while allowing high-income provisions
to expire
3. Reform and Extension: Modifying provisions while extending the framework
Revenue Considerations:
Extending expiring provisions could cost $4-4.5 trillion over 10 years [23] , necessitating either spending cuts,
revenue increases elsewhere, or higher deficits.
6.3 Trump Administration Tax Plans (2025-2029)
The returning Trump administration has proposed several tax policy changes [21] [24] :
Individual Tax Changes:

Extend and make permanent TCJA rates

Eliminate taxes on tips and overtime pay
Remove SALT deduction caps
Potentially replace income taxes with increased tariffs
Business Tax Changes:

Reduce corporate rate from 21% to 20% (15% for US manufacturers)

Restore 100% bonus depreciation
Extend Qualified Business Income deduction
Estate Tax:

Extend higher exemption amounts

Maintain 40% rate

6.4 Recent Legislative Developments (2025)

Congress has passed the "One Big Beautiful Bill Act" in 2025, which [25] [26] :

Makes TCJA tax rates permanent

Increases SALT deduction cap to $40,000 (with income-based phase-outs)
Provides additional deductions for seniors (65+)
Includes temporary provisions for tips and overtime taxation
Costs an estimated $4+ trillion over 10 years

6.5 Long-term Structural Challenges

Demographic Pressures:

Aging population increasing Social Security and Medicare costs

Declining worker-to-beneficiary ratios
Pressure for higher payroll tax rates or benefit reductions
Economic Competitiveness:

International tax competition pressuring rates downward

Need to maintain competitiveness while funding government services
Balancing revenue needs with growth incentives
Technology and Globalization:

Digital economy taxation challenges

 Cryptocurrency and virtual asset taxation
Remote work implications for state taxation

7. Policy Implications and Analysis

7.1 Economic Growth vs. Revenue Needs

American tax policy continues to grapple with the fundamental tension between promoting economic growth and
generating sufficient revenue for government operations. The TCJA represented a growth-oriented approach,
reducing rates and simplifying certain provisions, but at the cost of increased deficits [21] .

7.2 Distributional Considerations

Future tax policy will need to address growing income inequality and ensure the tax system remains progressive
while maintaining incentives for economic activity. The debate over appropriate tax rates for high earners versus
middle-class taxpayers will remain central to policy discussions [14] .

7.3 International Coordination

As global economic integration increases, American tax policy cannot be made in isolation. The United States
must balance domestic priorities with international competitiveness and cooperation initiatives, particularly
regarding multinational corporation taxation and digital economy challenges [27] .

7.4 Administrative Complexity

The American tax code's complexity imposes significant compliance costs on taxpayers and administrative
burdens on the IRS. Future reforms may need to prioritize simplification alongside revenue and distributional
objectives [28] .

8. Conclusions and Future Outlook

America's tax system reflects over two centuries of evolution, shaped by wars, economic crises, political
priorities, and changing social needs. From its origins as a simple tariff-based system to today's complex multi-
layered structure, American taxation has continuously adapted to meet national challenges while maintaining core
principles of progressivity and federalism.
The current system, substantially modified by the 2017 TCJA, faces significant challenges as key provisions
expire in 2025. The resolution of this "tax cliff" will largely determine the direction of American tax policy for the
next decade, with implications for economic growth, revenue adequacy, and distributional equity.
Several key trends will shape future developments:

1. Fiscal Sustainability: Growing federal deficits and debt will create pressure for revenue
increases or spending reductions
2. International Competition: Global tax coordination efforts and competitive pressures will
influence rate structures and international provisions
3. Technological Change: The digital economy, remote work, and cryptocurrency will require
new approaches to taxation
4. Demographic Shifts: An aging population will increase pressure on social insurance programs
and their financing
 5. Political Dynamics: Partisan disagreements over tax policy will continue to create uncertainty
and temporary solutions
The path forward will require balancing multiple objectives: maintaining economic competitiveness, ensuring
adequate revenue, preserving progressivity, and managing administrative complexity. Success will depend on
policymakers' ability to achieve sustainable compromise and long-term vision rather than short-term political
gains.
America's tax relations—both domestic and international—will remain a critical factor in the nation's economic
performance, social cohesion, and global leadership. The decisions made in the coming years will shape not only
American fiscal policy but also influence global tax practices and international economic relations for decades to
come.

References
[1] Investopedia. (2025). "A Brief History of Taxes in the U.S." March 23, 2025.
[2] Investopedia. (2025). "A History of U.S. Tax Law Changes." February 12, 2025.
[6] Wikipedia. (2002). "Tax Reform Act of 1986." June 8, 2002.
[3] University of Hyderabad. (2000). "History of the U.S. Tax System." December 31, 2000.
[29] Wikipedia. (2007). "History of taxation in the United States." July 13, 2007.
[4] Internal Revenue Service. (2016). "Historical Highlights of the IRS." July 5, 2016.
[5] Wikipedia. (2005). "Income tax in the United States." November 10, 2005.
[30]Stanford Institute for Economic Policy Research. (2023). "How Do Tax Policies Affect Individuals and
Businesses?" December 31, 2023.
[7] U.S. Bank. (2025). "New tax laws 2025: Tax brackets and deductions." August 19, 2025.
[11]
KPMG. (2024). "Analysis and observations of tax proposals in Biden Administration's 2025 budget." March
2024.
[10] TurboTax. (2025). "Income Tax by State: Which has the Highest and Lowest Taxes." August 2, 2025.
[8] Bankrate. (2025). "Tax Brackets And Federal Income Tax Rates For 2024-2025." August 13, 2025.
[14] PwC. (2024). "Biden's FY2025 budget again calls for corporate and individual tax increases." March 10, 2024.
[31] SmartAsset. (2024). "Federal Income Tax Calculator (2024-2025)." January 31, 2024.
[9] PwC Tax Summaries. (2025). "United States - Individual - Taxes on personal income." September 3, 2025.
[15]
Proskauer Tax Talks. (2024). "Summary of the Biden Administration's Fiscal Year 2025 Green Book Tax
Proposals." April 7, 2024.
[16]U.S. Department of the Treasury. (2024). "U.S. Department of the Treasury Outlines Tax Proposals to Reduce
Deficit." March 10, 2024.
[20] Tax Policy Center. (2025). "2025 Tax Cuts Tracker." April 6, 2025.
[21] Thomson Reuters Tax. (2025). "Upcoming tax law changes in 2025." March 28, 2025.
[22] Bloomberg Government. (2025). "Will Trump and Congress Extend TCJA Tax Cuts?" June 2, 2025.
[24]Proskauer Tax Talks. (2025). "Summary of Tax Proposals in Leaked Document Detailing Policy Proposals."
February 11, 2025.
[32]
Brookings Institution. (2024). "Which provisions of the Tax Cuts and Jobs Act expire in 2025?" September 11,
2024.
[33] Bipartisan Policy Center. (2025). "What's in the 2025 House Republican Tax Bill." August 31, 2025.
[25] H&R Block. (2025). "One Big Beautiful Bill tax changes: How and when they impact you." August 18, 2025.
[26]
Al Jazeera. (2025). "Is Trump's 'Big Beautiful' spending law the biggest tax cut in US history?" August 23,
2025.
[23] Bipartisan Policy Center. (2024). "The New Cost for 2025 Tax Cut Extensions - $4 Trillion." March 10, 2024.
[19] Alcor BPO. (2025). "Are Taxes Higher in the USA or Europe? 2025 Updates." August 25, 2025.
[12] Greenback Tax Services. (2025). "Canada vs. US Taxes: Complete 2025 Comparison." July 16, 2025.
[13]
Greenback Tax Services. (2025). "UK vs US Taxes: 2025 Comparison for Expats & Dual Citizens." July 28,
2025.
[27]
Tax Policy Center. (2020). "How does the current US system of international taxation work?" January 19,
2020.
[17] Tax Policy Center. (2008). "How do US taxes compare internationally?" September 30, 2008.
[18] OECD. (2024). "Revenue Statistics 2024 - the United States - Tax-to-GDP ratio."
[34] [35] [36] [37] [38] [39] [40] [41] [42] [43] [44] [45] [46] [47] [48] [49] [50] [51] [52] [53] [54] [55] [56] [57] [58] [59] [60] [61] [62] [63] [64]
[65] [66] [67] [68] [69] [70]

1. https://www.investopedia.com/articles/tax/10/history-taxes.asp
2. https://www.investopedia.com/articles/tax/10/concise-history-tax-changes.asp
3. http://igmlnet.uohyd.ac.in:8000/InfoUSA/facts/history/taxhist.htm
4. https://www.irs.gov/newsroom/historical-highlights-of-the-irs
5. https://en.wikipedia.org/wiki/History_of_taxation_in_the_United_States
6. https://en.wikipedia.org/wiki/Tax_Reform_Act_of_1986
7. https://www.usbank.com/wealth-management/financial-perspectives/financial-planning/tax-brackets.ht
ml
8. https://www.bankrate.com/taxes/tax-brackets/
9. https://taxsummaries.pwc.com/united-states/individual/taxes-on-personal-income
10. https://turbotax.intuit.com/tax-tips/fun-facts/states-with-the-highest-and-lowest-taxes/L6HPAVqSF
11. https://kpmg.com/kpmg-us/content/dam/kpmg/taxnewsflash/pdf/2024/03/kpmg-report-tax-proposals-b
iden-administration-2025-budget.pdf
12. https://www.greenbacktaxservices.com/blog/canada-taxes-vs-us/
13. https://www.greenbacktaxservices.com/blog/uk-taxes-vs-us/
14. https://www.pwc.com/us/en/services/tax/library/biden-fy2025-budget-calls-again-for-corporate-and-in
dividual-tax-increases.html
15. https://www.proskauertaxtalks.com/2024/03/summary-of-the-biden-administrations-fiscal-year-2025-g
reen-book-tax-proposals/
16. https://home.treasury.gov/news/press-releases/jy2169
17. https://taxpolicycenter.org/briefing-book/how-do-us-taxes-compare-internationally
18. https://www.oecd.org/content/dam/oecd/en/topics/policy-sub-issues/global-tax-revenues/revenue-statist
ics-united-states.pdf
19. https://alcor-bpo.com/are-taxes-higher-in-the-usa-or-europe/
20. https://taxpolicycenter.org/features/2025-tax-cuts-tracker
21. https://tax.thomsonreuters.com/blog/upcoming-tax-law-changes/
22. https://about.bgov.com/insights/elections/2025-tax-policy-crossroads-what-will-happen-when-the-tcja-
expires/
23. https://bipartisanpolicy.org/blog/the-new-cost-for-2025-tax-cut-extensions-4-trillion/
24. https://www.proskauertaxtalks.com/2025/02/summary-of-tax-proposals-in-leaked-document-detailing-
policy-proposals/
25. https://www.hrblock.com/tax-center/irs/tax-law-and-policy/one-big-beautiful-bill-taxes/
26. https://www.aljazeera.com/economy/2025/8/23/is-trumps-big-beautiful-spending-law-the-biggest-tax-c
ut-in-us-history
27. https://taxpolicycenter.org/briefing-book/how-does-current-us-system-international-taxation-work
28. https://www.investopedia.com/terms/t/taxbracket.asp
29. https://www.sciencedirect.com/science/article/pii/S0047272724002093
30. https://siepr.stanford.edu/publications/policy-brief/how-do-tax-policies-affect-individuals-and-business
es
31. https://smartasset.com/taxes/income-taxes
32. https://www.brookings.edu/articles/which-provisions-of-the-tax-cuts-and-jobs-act-expire-in-2025/
33. https://bipartisanpolicy.org/explainer/whats-in-the-2025-house-republican-tax-bill/
34. https://en.wikipedia.org/wiki/Income_tax_in_the_United_States
35. https://en.wikipedia.org/wiki/Taxation_in_the_United_States
36. https://www.irs.gov/irs-history-timeline
37. https://taxpolicycenter.org/briefing-book/how-did-tax-cuts-and-jobs-act-change-personal-taxes
38. https://bradfordtaxinstitute.com/Free_Resources/Federal-Income-Tax-Rates.aspx
39. https://www.efile.com/tax-history-and-the-tax-code/
40. https://digitalcommons.fairfield.edu/cgi/viewcontent.cgi?article=1242&context=nealsb
41. https://www.avalara.com/taxrates/en/state-rates.html
42. https://en.wikipedia.org/wiki/Sales_taxes_in_the_United_States
43. https://smartasset.com/taxes/current-federal-income-tax-brackets
44. https://cdtfa.ca.gov/taxes-and-fees/sales-use-tax-rates.htm
45. https://www.irs.gov/filing/federal-income-tax-rates-and-brackets
46. https://rsmus.com/insights/tax-alerts/2024/tax-policy-prepare-for-tax-changes-in-2025.html
47. https://www.irs.gov/government-entities/federal-state-local-governments
48. https://www.irs.gov/newsroom/irs-releases-tax-inflation-adjustments-for-tax-year-2025
49. https://www.ey.com/en_us/insights/tax/whats-on-the-line-in-the-2025-tax-cliff
50. https://www.jpmorgan.com/insights/global-research/current-events/us-tax-bill
51. https://www.ey.com/en_us/insights/tax/steps-to-take-now-to-prepare-for-tax-legislation-in-2025
52. https://www.pwc.com/us/en/services/tax/library/insights/tax-policy-outlook.html
53. https://en.wikipedia.org/wiki/Tax_Cuts_and_Jobs_Act
54. https://www.deloitte.com/us/en/services/tax/collections/us-tax-law-changes.html
55. https://home.treasury.gov/policy-issues/tax-policy
56. https://privatebank.jpmorgan.com/nam/en/insights/wealth-planning/taxes-and-the-changing-legislative-l
andscape-in-2025
57. https://www.nber.org/system/files/chapters/c7203/c7203.pdf
58. https://www.oecd.org/content/dam/oecd/en/topics/policy-issues/tax-policy/taxing-wages-brochure.pdf
59. https://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=1027&context=econfacpub
60. https://airshare.air-inc.com/global-tax-rates-updated-see-what-changed-in-2025
61. https://www.aeaweb.org/articles?id=10.1257%2Fjep.21.1.3
62. https://worldpopulationreview.com/country-rankings/highest-taxed-countries
63. https://www.epi.org/explorer/international/
64. https://digitalcommons.unl.edu/econfacpub/28/
65. https://taxsummaries.pwc.com/quick-charts/personal-income-tax-pit-rates
66. https://en.wikipedia.org/wiki/List_of_countries_by_tax_rates
67. https://www.taxesforexpats.com/country-guides/canada/canadian-vs-american-taxes.html
68. https://taxpolicycenter.org/briefing-book/how-do-us-corporate-income-tax-rates-and-revenues-compar
e-other-countries
69. https://eml.berkeley.edu/~saez/piketty-saezJEP07taxprog.pdf
70. https://www.ciat.org/Biblioteca/Revista/Revista_5/tax_reform_usa_wilkins.pdf