Blog

Short updates in the same calm tone as the book.

Practical plain-English posts on NISA, iDeCo, and related topics — without turning the site into a noisy content machine.

iDeCo

iDeCo Contribution Limits in Japan: How Much You Can Put In

iDeCo contribution limits are not the same for everyone. Here is the practical breakdown of the main monthly and annual caps, plus the areas where the headline limit may not be your real usable limit.

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iDeCo

iDeCo Withdrawal Rules in Japan: When You Can Access Your Money

iDeCo offers useful tax benefits, but the money is usually locked away until later life. Here is how iDeCo withdrawal works in practice, including age rules, early-withdrawal exceptions, and what happens if you leave Japan.

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About this blog

Why this blog exists

The main website is intentionally concise. The blog gives the project a place to publish helpful follow-up notes when there is something genuinely worth saying — changes to the book, clarifications that help readers, and occasional plain-English posts that reduce the friction around getting started.

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