Retirement Tax Hub: 401k, IRA, Social Security Guides

Tax Disclaimer: This article is for informational purposes only and does not constitute tax or financial advice. Retirement account rules change frequently. Verify all contribution limits and tax rules with IRS.gov or a qualified financial professional.

Key Takeaways

Every 401(k) contribution, Roth conversion, and Social Security claiming decision has tax consequences that compound over decades — getting these right can mean tens of thousands of dollars more in retirement
Roth conversion ladders, backdoor Roth IRAs, and HSA retirement strategies are powerful but have specific rules — mistakes can trigger penalties or unintended tax liabilities
This hub covers retirement tax planning from contribution optimization through withdrawal sequencing — including 2026 contribution limits, RMD rules, and state tax considerations for retirees

Last updated: March 2026 | Reviewed by Taxo Editorial Team

Retirement planning and tax planning are inseparable. Every dollar you contribute to a 401(k), every Roth conversion you execute, and every Social Security claiming decision has tax consequences that compound over decades. Getting these decisions right can mean tens of thousands of dollars more in your pocket during retirement.

This hub organizes every retirement-related tax guide on Taxo. Whether you are maximizing contributions in your peak earning years, planning a Roth conversion ladder, or figuring out how Social Security benefits are taxed, the guide you need is below.

Getting Started: Retirement Tax Fundamentals

If you are new to retirement tax planning or want a comprehensive overview, begin with these guides.

401(k) Guides

IRA and Roth Guides

Social Security Tax Guide

HSA as a Retirement Vehicle

State Retirement Tax Guides

These guides cover how each state taxes retirement income including 401(k) distributions, IRA withdrawals, pension income, and Social Security benefits.

Frequently Asked Questions

Are 401(k) contributions tax-deductible? Traditional 401(k) contributions reduce your taxable income in the year you contribute. Roth 401(k) contributions are made after-tax but grow and are withdrawn tax-free. See 401(k) Tax Benefits and Limits.

Is Social Security income taxable? Up to 85% of Social Security benefits can be taxed at the federal level depending on your combined income. Many states exempt Social Security from state income tax. See Social Security Tax Guide.

What is a Roth conversion ladder? A strategy where you convert traditional IRA funds to Roth over multiple years to minimize the tax hit in any single year. After a 5-year seasoning period, converted amounts can be withdrawn tax-free. See Roth Conversion Ladder.

Which states do not tax retirement income? Several states exempt all or most retirement income. Florida, Texas, Nevada, and others have no income tax at all. See Best States for Retirees (Tax) 2026 for the full ranking.

What are Required Minimum Distributions (RMDs)? Starting at age 73 (75 for those born after 1960), you must begin taking distributions from traditional retirement accounts. Roth IRAs are exempt. See Required Minimum Distributions.

Sources

Internal Revenue Service — irs.gov
IRS Publication 590 — Individual Retirement Arrangements (IRAs)
Social Security Administration — ssa.gov
Tax Foundation — taxfoundation.org