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Which of Your US Accounts Survive a Move to Japan? Brokerage, 401(k), IRA, HSA

Featured image: Which US Accounts Survive a Move to Japan? Brokerage, 401(k), IRA, HSA — Two Countries, One Plan (Portable Wealth)

By Dako Nobody loses a brokerage account at the border. That’s the fear that brings people to this question, so let’s retire it in the first paragraph: moving to Japan does not freeze, confiscate, or erase your US accounts. What…

  • Dako
  • 2026年8月18日
  • Exit Tax & Green Card

IRC 877A Exit Tax Explained: The Basics Every Green Card Holder Should Know

IRC 877A Exit Tax Explained — typographic featured image, Exit Tax & Green Card series, Two Countries One Plan

By Dako The scariest version of the story goes like this: you give up your green card, and the IRS takes half of everything on your way out. I’ve now spent enough evenings inside section 877A of the tax code…

  • Dako
  • 2026年8月13日
  • For Spouses

Your 401(k) Doesn’t Care About Your Marriage: What Happens When Only One Spouse Is a US Citizen

Your 401(k) Doesn't Care About Your Marriage — typographic featured image, For Spouses series, Two Countries One Plan

By Dako & Jay In our house we talk about “our retirement money” the way most couples do. One number, one plan, one future. The IRS has never once seen it that way. A 401(k) is an individual account. Not…

  • Dako
  • 2026年8月10日
  • For Spouses

What I Wish Someone Told Me Before Marrying Into a Japanese Family and Planning to Relocate

What I Wish Someone Told Me Before Marrying Into a Japanese Family and Planning to Relocate - featured image

By Jay Nobody warns you about the paperwork. People warn you about chopsticks etiquette and meeting the parents and whether you should bow or shake hands. Useless. Lovely, but useless. I’m the American half of this blog. My wife Dako…

  • Dako
  • 2026年8月6日
  • Portable Wealth

The PFIC Trap: Why US Residents Should Think Twice Before Buying Japanese Funds

The PFIC Trap: Why US Residents Should Think Twice Before Buying Japanese Funds - featured image

By Dako Our portfolio is boring on purpose. US-listed ETFs, a handful of individual US stocks, and almost nothing else. No NISA. No Japanese funds. That looks strange for a half-Japanese household, and the reason sounds paranoid until I walk…

  • Dako
  • 2026年8月3日
  • Exit Tax & Green Card

Am I a “Covered Expatriate”? The Exit Tax Test Explained

Am I a Covered Expatriate? The Exit Tax Test Explained - Two Countries, One Plan

If you hold a green card and think you might leave the US someday, there’s a phrase you need to meet long before any moving trucks show up: covered expatriate. The covered expatriate rules decide whether giving up a green…

  • Dako
  • 2026年7月30日
  • Our FIRE Journey

Two Countries, One Plan: Why We Haven’t Decided Where Home Will Be After FIRE

Why We Haven't Decided Where Home Will Be After FIRE - Two Countries, One Plan

We are a Japanese-American couple living between the US and Japan in the way a lot of cross-border families do: our bodies are in America, and a second life keeps running quietly in the background. One of us grew up…

  • Dako
  • 2026年7月27日
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