Features/requirements 401 (k) IRA Roth IRA
Matching Funds Yes No No
Tax-deductible Yes Depends on income, tax-filing status, and other factors No
Tax-deferred Growth Yes Yes No
Taxable Withdrawals Yes Yes No
Maximum Yearly Contribution (2017) $18,000.00 $5,500.00 $5,500.00
Maximum Yearly Contribution Age 50+ (2017) $24,000.00 $6,500.00 $6,500.00
Age Limit For Contributions None 70 1/2 None
Income Eligibility (2017) Any income earned through a company that offers a 401(k) Earned income as reported on a W-2, wages from self-employment, tips, and alimony Income with a gross worth of less than $118,000-$133,000/yr or $186,000-$196,000/yr for taxpayers filing jointly