Good to know
- IRA contributions for a tax year can be made until the tax-filing deadline the following April.
- 401(k) contributions must come out of paychecks during the calendar year.
- If you change jobs mid-year, the employee limit applies across all of your 401(k) plans combined.
- Starting in 2026, workplace catch-ups must be Roth if your prior-year wages from that employer were over $150,000.
Official 2026 figures from: IRS: 2026 401(k) and IRA limits (IR-2025-111) · IRS: Catch-up contributions · IRS: Required minimum distributions · IRS: Publication 590-B (Uniform Lifetime Table) · IRS: Rev. Proc. 2025-19 (2026 HSA limits) · SSA: 2026 COLA fact sheet · CMS: 2026 Medicare premiums and deductibles · SSA: Cost-of-living adjustment history · BEA: Regional Price Parities by state (2024 data)