Our Guide to 401(K) Tax Deductions for 2026

What Is a 401(k) Tax Deduction? Understanding the Basics A 401(k) tax deduction refers to the reduction in your taxable income when you make pre-tax contributions to a traditional 401(k) retirement account. Therefore, you pay less tax now, the money grows tax-deferred inside the account, and you’ll only be taxed when you take it out […]