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Disparities in Tax Rates Among America's Wealthiest

8/28/2025, 9:40:08 PM

Overview of Tax Rates for the Ultra-Rich

A recent study by economists at the University of California, Berkeley, reveals significant disparities in tax rates paid by the wealthiest Americans, specifically those on the Forbes 400 list. Between 2018 and 2020, this group, which includes prominent figures like Elon Musk and Jeff Bezos, paid an average effective tax rate of 23.8%. This figure is notably lower than the 30% average rate for the general U.S. population and the 45% rate for top wage earners. The study highlights how structural features of the U.S. tax code disproportionately benefit the ultra-wealthy.

Impact of the Tax Cuts and Jobs Act

The Tax Cuts and Jobs Act (TCJA), enacted in 2017 under President Donald Trump, significantly influenced these tax rates. The TCJA reduced the corporate tax rate from 35% to 21% and introduced new loopholes that allowed billionaires to minimize their tax liabilities. Following the TCJA, the effective tax rate for the wealthiest 0.0002% of Americans dropped from approximately 30% to 24%. This trend continued with the recent passage of the One Big Beautiful Bill Act, which further extends tax cuts and benefits for high earners.

Mechanisms of Tax Avoidance

The study indicates that many billionaires utilize various strategies to reduce their taxable income. For instance, they often receive compensation in the form of stock options rather than salaries, which limits their taxable income. Mark Zuckerberg, for example, reportedly earns a base salary of just $1 at Meta. Additionally, many wealthy individuals own pass-through businesses that report losses, further decreasing their taxable income. The study found that, on average, these deductions and exclusions reduced the taxable income of billionaires by $33 million annually.

Corporate Taxes as a Key Revenue Source

Corporate taxes play a significant role in the tax contributions of the ultra-rich. Approximately 37% of the taxes paid by the top 400 Americans during the study period came from corporate taxes. This reliance on corporate taxation underscores the complexity of accurately assessing the tax burdens of billionaires, as their individual income tax returns often do not reflect their full economic income.

Criticism and Calls for Reform

Critics argue that the current tax system is regressive at the top, allowing billionaires to pay lower rates than many middle-class Americans. Economists Emmanuel Saez and Gabriel Zucman advocate for a wealth tax as a means to address this inequality, asserting that it would directly target the ultra-rich and enhance tax progressivity. However, such proposals face significant political challenges, particularly from wealthy individuals and their allies.

Conflicting Perspectives on Tax Policy

While proponents of the TCJA argue that it stimulates economic growth and provides necessary tax relief, research from the Congressional Research Service indicates that the act has not significantly impacted the economy. Critics contend that the tax cuts disproportionately benefit the wealthy while shifting the financial burden onto lower-income Americans through cuts to social programs.

Conclusion: The Need for Tax Reform

The findings from the Berkeley study highlight the urgent need for tax reform to address the growing inequality in the U.S. tax system. As billionaires continue to exploit loopholes and benefit from favorable tax policies, the debate over wealth taxation and corporate tax reform remains a critical issue in American economic policy.