Sometimes, tax policies can indirectly affect 401(k) plans, even without specific changes to retirement plan laws. New legislation can affect business growth, market conditions, and employees' take-home pay.
President Trump enacted several tax changes during his first term. While past performance doesn't guarantee future performance, these changes can give us a glimpse of the future of 401(k)s and how consumers typically respond to tax policy changes. Here are some examples of how Trump's first-term changes impacted 401(k)s and what that could mean for employees who want to invest in 401(k) plans today.
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The 2017 tax cuts increased take-home pay
In 2017, President Trump signed the Tax Cuts and Jobs Act. This lowered income tax rates for most people, which usually increases take-home pay. So while this did not directly affect 401(k) plans, it did affect how much money people had available to save and invest for their future.
This shows how some of the tax policies that Trump makes in his second term can influence consumer behavior when it comes to retirement accounts.
Lower corporate taxes drove business growth
The Tax Cuts and Jobs Act also reduced the corporate tax rate, which in turn increased many companies' profits. In general, when companies succeed and earn more profits, they can continue to offer workplace benefits such as 401(k)s and 401(k) matches to help workers get ahead financially.
Companies are not required to offer workplace benefits like these, but this shows how tax policies can affect the types of benefits employees receive.
Pro-business policies
President Trump's policies are largely pro-business, with the goal of job growth, deregulation, and tax relief. Throughout President Trump's first term, employer participation in 401(k) plans remained stable, and this is expected to continue during his second term as well. Because of the Secure Act 2.0, many businesses are now required to automatically enroll employees in 401(k) plans, which will increase participation even more.
Overall, pro-business policies aim to fuel business growth, which in turn increases profits and helps maintain and grow the workforce. What this shows is that if businesses feel stable or are experiencing growth, they are more likely to continue offering 401(k) plans and employer matches to their employees.
Market growth affects consumer confidence
Tariffs caused a sharp drop in consumer confidence and rattled the stock market in 2025. The S&P 500 fell sharply after the April tariff announcement as investors worried about higher prices, slower growth, and the impact on businesses. But the market recovered and ended 2025 up 16.4%.
Businesses also held up better than some investors expected. U.S. corporate profits rose to about $4.08 trillion in 2025, up from $3.80 trillion in 2024. The economy grew 2.1% for the year.
Consumer confidence was a different story. The Conference Board's Consumer Confidence Index fell for five straight months through December, ending the year at 89.1. Concerns about prices, inflation, tariffs, and trade continued to weigh on consumers.
For 401(k) savers, 2025 was a reminder that markets can recover even when economic concerns remain. The spring tariff sell-off didn't turn into a lasting market decline. For long-term investors, that makes it important to keep short-term market swings in perspective.
Deregulation affected 401(k) management
Deregulation affects 401(k) plans indirectly. The goal of deregulation is to reduce compliance and red tape. For example, President Trump rolled back the Department of Labor's fiduciary rules.
Financial experts differ in their views on this and whether it positively or negatively impacts workers. What it shows, though, is that some changes can affect the companies that actually manage 401(k) plans, which, in turn, can impact the decisions employees make when choosing their retirement plan investments.
401(k) structure remained the same
Even though there have been changes in automatic enrollment, catch-up contributions, and the required minimum distribution age, the actual structure of 401(k) plans themselves has remained largely unchanged from President Trump's first term to now.
For example, many employers still offer 401(k) matches, employees can still get tax benefits from contributing to their 401(k), and annual contribution limits have increased. This shows that even when there are significant economic changes, the ability to invest in a 401(k) has largely remained the same. This alone should help employees feel more comfortable investing in their retirement accounts, even if there are more market or policy changes ahead.
Things to know about 401(k)s in 2026
In 2026, employees with access to 401(k) plans can still contribute. The IRS raised the annual contribution limit to $24,500. Those age 50 and older can make larger catch-up contributions of up to $8,000, and workers age 60-63 can make a larger catch-up contribution up to $11,250.
But workers over 50 who made more than $150,000 the previous year must make their catch-up contributions as Roth contributions. This change will affect some people's taxable income and, by extension, their tax rate.
Bottom line
President Trump's tax policies can indirectly affect 401(k) plans and employees' investment choices within those plans. It's wise to stay aware of potential 401(k) changes and watch for correspondence from your employer about changes that affect you in particular.
If you have questions about your retirement plan, current contributions, or recent tax laws, consult your Human Resources department, a financial planner, and your accountant. They will help lower your financial stress and ensure you're on the right track.
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