Roth TSP vs. Roth IRA


Q. I am really confused over the Roth IRA and Roth TSP. I have an individual Roth IRA through Vanguard. I have a Thrift Savings Plan account that I max every year, and because I’m over 50, I also max my TSP catch-up contribution. I’m thinking of changing the catch-up contribution from the regular TSP to the Roth TSP. If I contribute the max to a Roth TSP, can I still contribute the max to my Vanguard Roth IRA ($6,500 to Vanguard and $6,500 to Roth TSP for a total of $13,000). Or do I need to choose just one Roth to contribute to — either Roth TSP or Vanguard Roth IRA?

A. You don’t have to choose. Your Roth TSP contributions don’t reduce your eligibility for contributing to a Roth IRA.


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Mike Miles is a Certified Financial Planner licensee and principal adviser for Variplan LLC, an independent fiduciary in Vienna, Virginia. Email your financial questions to and view his blog at

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