Summary

Individual retirement accounts (IRAs) come in several different types, and each one offers distinct features tailored to different financial situations. From the widely known traditional and Roth IRAs to the lesser-known SEP, SIMPLE, spousal, nondeductible, and self-directed IRAs, the range of options can help a variety of savers build a retirement strategy that aligns with their income, employment, and long-term goals.

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💼 Traditional IRA

The traditional IRA remains a go-to retirement savings vehicle for many individuals, offering a combination of tax-deferral benefits and accessibility. Contributions may be deductible depending on your income and whether you or your spouse has a workplace retirement plan. In 2025, the contribution limit is $7,000, or $8,000 for those aged 50 and above. Investment earnings grow tax-deferred, meaning they aren’t taxed until withdrawal in retirement, at which point distributions are taxed as income. This setup can be advantageous for individuals expecting to be in a lower tax bracket in retirement. It's also an option for workers without access to employer-sponsored retirement plans.

Takeaways:

• Contributions may reduce taxable income depending on your circumstances

• Earnings grow tax-deferred; withdrawals are taxed in retirement

Key Terms

• Tax-deferred growth: Investment earnings accumulate without immediate taxation, delaying taxes until funds are withdrawn

• Contribution limit: The maximum amount that can be contributed to an IRA in a given year

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🌱 Roth IRA

The Roth IRA flips the traditional IRA structure on its head by forgoing the upfront tax deduction in favor of tax-free withdrawals in retirement. Contributions are made with after-tax dollars, and eligibility is subject to income limits. The same contribution limits apply as with traditional IRAs. While there’s no immediate tax break, Roth IRAs allow penalty- and tax-free withdrawals of contributions at any time, and qualified distributions of earnings are also tax-free. Backdoor Roth strategies enable higher earners to access Roth benefits through indirect contributions.

Takeaways:

• No tax deduction now, but withdrawals in retirement are tax-free

• Contributions can be withdrawn at any time without penalty

Key Terms

• Backdoor Roth: A strategy for high earners to contribute to a Roth IRA by converting a traditional IRA

• After-tax contributions: Money added to an IRA that has already been taxed

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🏢 SEP IRA

The Simplified Employee Pension (SEP) IRA is designed for small-business owners and the self-employed. Employers fund the account, and employee contributions are not allowed. Contributions can now be made as traditional or Roth, depending on preference. Annual limits are significantly higher than other IRAs — up to 25% of compensation or $70,000 in 2025. Contributions must be uniform across all eligible employees and must meet IRS eligibility requirements. Sole proprietors can also use SEP IRAs for themselves, though catch-up contributions aren’t permitted.

Takeaways:

• High contribution limits make it appealing to business owners

• Only employers can contribute; contributions must be uniform

Key Terms

• SEP IRA: A retirement plan funded by employers for themselves and employees

• Uniform contributions: Equal percentage contributions made across all eligible participants

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🧾 Nondeductible IRA

A nondeductible IRA is an option for those who earn too much to deduct traditional IRA contributions or to qualify for a Roth IRA. Contributions are made with after-tax dollars and are not deductible. However, like other IRAs, earnings grow tax-deferred. In retirement, the principal (already taxed) is not taxed again, but earnings are. This option can serve as a workaround for higher-income individuals looking to continue contributing to retirement accounts.

Takeaways:

• Contributions are not deductible, but growth is tax-deferred

• Taxes apply only to earnings withdrawn in retirement

Key Terms

• Nondeductible IRA: An IRA funded with after-tax money that doesn't provide an upfront tax break

• Tax-deferred growth: Earnings accumulate without taxation until withdrawal

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💍 Spousal IRA

Spousal IRAs allow a working spouse to contribute to an IRA on behalf of a nonworking or low-income spouse. The accounts can be either Roth or traditional, and both partners must file a joint tax return. Each spouse can contribute up to the annual limit — provided the household has enough taxable income to cover both contributions. The account must be opened in the nonworking spouse’s name and use their Social Security number. This helps couples double their retirement contributions even if only one person earns income.

Takeaways:

• Allows contributions for a nonworking spouse

• Must file jointly and have sufficient taxable income

Key Terms

• Spousal IRA: An IRA for a nonworking spouse funded using the working spouse’s income

• Joint tax return: Required for eligibility to contribute to a spousal IRA

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📈 SIMPLE IRA

The SIMPLE IRA is structured for small businesses and self-employed individuals, combining features of IRAs and 401(k)s. Employees can contribute via salary deferrals, and employers must make matching or nonelective contributions. Limits are lower than 401(k)s but still substantial: $16,500 in 2025, with catch-up contributions available. Some plans allow for increased contributions under Secure 2.0 Act provisions. There are stricter withdrawal rules in the first two years of participation, and rollovers to other retirement accounts are limited during that time.

Takeaways:

• Combines elements of a 401(k) with IRA simplicity

• Allows employee contributions and requires employer contributions

Key Terms

• SIMPLE IRA: A retirement plan for small employers and their employees

• Salary deferral: Contributions taken from an employee’s paycheck

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🏘️ Self-Directed IRA

Self-directed IRAs offer the greatest flexibility in investment options, including real estate, private equity, and precious metals. These accounts can be traditional or Roth but require a custodian that specializes in alternative assets. While they provide opportunities for higher returns, they also come with complex IRS rules and potential pitfalls. Certain investments like collectibles and life insurance are prohibited, and “self-dealing” activities can result in serious tax penalties. This option is best for experienced investors who understand the rules and risks involved.

Takeaways:

• Allows for alternative investments not available in regular IRAs

• Requires specialized custodians and careful rule compliance

Key Terms

• Self-directed IRA: A retirement account that allows for nontraditional investments

• Self-dealing: Prohibited activities that involve personal benefit from IRA assets

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Conclusion

Choosing the right IRA depends on your income, employment status, and long-term financial goals. Whether you’re a high earner seeking tax-free retirement income, a business owner looking to maximize contributions, or someone looking for unconventional investment opportunities, there’s an IRA structure that can support your needs. Understanding the differences in contribution limits, tax treatment, and eligibility helps ensure you’re using the right tool to build your retirement future.