🚀 退休金梳理 101

401(k), IRA, pre-tax, after-tax 扫盲

📌 按照账户类型：401(k) vs. IRA

1. 401(k) (Employer-Sponsored Plan)

   • 公司提供的，公司有的时候会提供 match。
   • 投资选择比较少。
   • 有管理费。
   • RMD （Required Minimum Distribution）72 岁以后要取钱。
   • 59.5 岁取钱才不会有罚金。
   • Possible administration fees from the employer.

2. IRA (Individual Retirement Account)

   • 个人开户，不需要公司提供。
   • 投资选择多样。
   • Roth IRA 没有 RMDs, but Traditional IRA 有.
   • 没有管理费。

🔹 按照投入方式：税前 VS 税后

1. Pre-Tax

   • 税前投入，可以降低 tax bracket。
   • 取出的时候交税。

2. After-Tax

   • 税后投入，不能降低 tax bracket。
   • 没有资本利得税。
   • 取出的时候不用交税。

税收总结

🚀 如何把钱放进去（假设你是一个公司雇员）

📌 公司相关

1. Employee contribution (22500)
2. Employer matching
3. mega backdoor

1 + 2 + 3 <= 66000

📌 个人行为

• step1， 开一个 traditional IRA，roth IRA
• step2，个人银行 6500 转到 traditional IRA
• step3，settle 以后立刻转 Roth IRA
• step4，File 8606

💡 如何选择

1. pre-tax or after-tax？取决于你将来的收入会不会比现在高？
2. 401(k) or IRA？你的投资水平能不能赢跑赢大盘？
3. rollover，基本来说 pre-tax 能换 after-tax，401k 能换 IRA

附录，from chatgpt

🔹 Comparing 401(k) and IRA: Pre-Tax vs. After-Tax

🔹 Explanation

🔷 Pre-Tax Accounts (Traditional 401(k) & IRA)

• Contributions are before-tax (reduce taxable income now).
• Growth is tax-deferred (you don’t pay taxes until withdrawal).
• Withdrawals are fully taxable in retirement.
• RMDs apply at age 73.
• Ideal for those who expect to be in a lower tax bracket in retirement.

🔷 After-Tax (Non-Roth) 401(k) & IRA

• Contributions are after-tax (no immediate tax deduction).
• Growth is tax-deferred, but earnings are taxed upon withdrawal.
• Withdrawals are partially taxable (contributions tax-free, but earnings taxed).
• RMDs apply at age 73.
• Can be used for the Mega Backdoor Roth strategy!

🔷 Roth Accounts (Roth 401(k) & Roth IRA)

• Contributions are after-tax (no upfront tax benefit).
• Growth is completely tax-free.
• Qualified withdrawals are tax-free in retirement.
• RMDs apply to Roth 401(k), but you can roll it into a Roth IRA to avoid RMDs.
• No RMDs for Roth IRA! Funds can grow tax-free indefinitely.
• Best for those who expect to be in a higher tax bracket in retirement.

🔥 Mega Backdoor Roth Strategy

💡 The Mega Backdoor Roth is an advanced retirement savings strategy that allows high earners to move after-tax 401(k) contributions into a Roth IRA or Roth 401(k), unlocking tax-free growth.

✅ How It Works:

1. Max out regular 401(k) contributions ($23,000 in 2024, $30,500 if 50+).
2. Make additional after-tax contributions (if your plan allows).
3. Immediately convert after-tax contributions into a Roth IRA or Roth 401(k) (before earnings accumulate and become taxable).
4. Enjoy tax-free growth and withdrawals in retirement!

🔷 Why Use the Mega Backdoor Roth?

• Allows higher Roth contributions beyond standard limits.
• Helps high earners build tax-free retirement income.
• Avoids RMDs if rolled into a Roth IRA.

⚠️ Not all employer 401(k) plans allow after-tax contributions or in-plan Roth conversions. Check your plan’s rules!

🚀 Retirement Tax Hack: Choosing the Right Plan

• If you’re in a high tax bracket now, a Traditional 401(k) or IRA can reduce taxable income.
• If you expect to be in a higher tax bracket later, a Roth 401(k) or Roth IRA helps avoid future taxes.
• Max out employer 401(k) matching first before investing in IRAs.
• Diversify: Having both pre-tax and after-tax accounts gives flexibility in retirement withdrawals.

📢 Final Thoughts

Understanding 401(k), Roth, and IRA options helps you make tax-smart decisions for retirement. The key is to balance pre-tax and after-tax contributions based on your income, expected tax rates, and long-term financial goals.

🚀 Start investing now! Your future self will thank you.

reference:

https://youtu.be/7Ssh24wzaMI