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A comment on Japan Has Changed a Lot. Parent comment

Re:Japan Has Changed a Lot by xwolfi on Thursday January 26, 2023 @12:11AM (#34527917)
Many countries, like mine, France, also allow to reclaim a nationality you abandoned for social reasons (marriage being the one it aims at explicitely). So you can give up your French one, take the Japanese one, then go back to France without telling Japan and ask for the French one back, it's a few forms away.
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Re:Japan Has Changed a Lot by Xixi on Thursday January 26, 2023 @12:55AM (#34528144)
IANAL, but from my understanding of Japanese law, technically you renounce your Japanese citizenship when you acquire a foreign citizenship. So, even though Japanese authorities might not know it yet (or ever), you lose the Japanese citizenship at the very time you recover your French one.

My understanding (again, not a lawyer) it that this could have legal implications if you do something of your Japanese citizenship after reclaiming a foreign citizenship. Although apart from running and winning an election, or maybe holding a job restricted to Japanese citizens, I'm not quite sure exactly how you could get in trouble.

The loophole dual citizens (since birth) use is actually just that: since they never acquired a foreign citizenship (they are born with it), they never lost the Japanese one... so all Japan can do is order them to make unspecified efforts to renounce their foreign citizenship. Looking it up on the internet and concluding it's complicated seems to count as "efforts".

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Re:Japan Has Changed a Lot by havill on Thursday January 26, 2023 @03:26AM (#34529146)
If Japan catches you, however, that's an automatic loss of Japanese citizenship. Japan has a specific law that says if you voluntarily acquire (or re-acquire; it doesn't distinguish) a foreign citizenship as an adult you immediately lose your Japanese citizenship.

And if you lose your Japanese citizenship, you go back to being a foreigner. Without a visa. Meaning you risk losing your ability to live and work in Japan.

As most people who naturalize do so because they've established deep for-life roots in Japan, their Japanese citizenship is not something they're willing to gamble.

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