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China doesn't recognize dual citizenship.

What are the practical consequences today if a Chinese citizen also acquires the citizenship of another country, but does not formally renounce their Chinese citizenship? In particular, what happens upon entering/exiting China? Is the ban on dual citizenship enforced, or is this situation mostly ignored? I assume there are Chinese people who do acquire another citizenship anyway.

Is there actually a ban on acquiring another citizenship, or does "not recognize dual citizenship" simply mean that China is going to ignore the other one, e.g. the person couldn't get consular protection from the other country while in China?

This question is more out of curiosity than anything else.

Alou
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    "e.g. the person couldn't get consular protection from the other country while in China?" -- note that this is generally the case anyway, even when dual nationality is recognised. Most countries don't offer consular services to their citizens in countries where the person has dual citizenship. I suppose in extreme cases they might offer asylum, but of course they can also do that for someone who doesn't have their citizenship at all. Anyway it's up to the consular office what it does, it's not up to China to tell (e.g.) a French consular office in China whether someone is French or not. – Steve Jessop Jan 05 '15 at 10:18
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    @SteveJessop I guess you took it as a random example but France does in fact extend some protection to dual citizens (e.g. during evacuations, see p. 22). The problem is that the host state (China in your example) does not have to allow it or provide access under the relevant international conventions. That really is up to China and it is in fact the most important issue in this scenario. Consequently, official sources usually state that France “cannot” or “might not be able” to offer protection, not that it will routinely deny it. – Gala Jan 07 '15 at 01:04
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    Offering asylum on the other hand would make no sense at all. French citizens always have the right to enter and stay in France and France traditionally categorically refuses to extradite its own citizens (with the recent exception of the European Arrest Warrant procedure) so they never need any sort of special status to be allowed to remain in France. – Gala Jan 07 '15 at 01:06
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    @Gala: by asylum, I meant that the country might shelter its dual-citizen in its embassy from the Chinese government, in circumstances extreme enough. Of course you're right, if that person made it to France (or, if one insists that embassies are national territory, then to a part of France in which one can reside normally -- right to residence in France doesn't generally imply the right to set up home in a French embassy!), then the status of that person wouldn't be "asylum seeker", they'd be a resident national. – Steve Jessop Jan 07 '15 at 09:31

2 Answers2

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In theory, Chinese dual citizenship is impossible for adults who were only Chinese citizens at birth, since you automatically lose Chinese citizenship if you voluntarily receive another country's citizenship (Nationality law, Article 9). As pointed out in the comments, things are more complicated for children, but that's not what the OP was asking about.

In practice, though, if they don't know you have dual citizenship, they can't take it away either. This does complicate entering and exiting China considerably though, since if they bother to inspect it, a Chinese passport with no foreign visas will be a dead giveaway that you're up to no good, and in particular your visa status is checked if renewing a Chinese passport overseas. In the last year and half, there has been a bit of crackdown on this, and over 1 million dual nationals have apparently been busted and asked to give up their hukou.

The usual dodge is to enter/exit China using your Chinese passport via a third state, eg. Hong Kong, so you get your stamps, and only then switch to your second passport. Alternatively, you can use your non-Chinese passport to apply for a Chinese visa and enter/exit China, hoping they can't match up your two identities. But neither method is bulletproof.

lambshaanxy
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    "In theory, Chinese dual citizenship is impossible" In theory, it IS possible. Some situations: 1) A child born in China to a Chinese-citizen parent and a foreign national parent. According to Article 4 of the PRC nationality law, the child has Chinese nationality automatically at birth. The child may also have the other parent's nationality automatically at birth through jus sanguinis. – user102008 Jan 05 '15 at 05:21
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  • A child born outside China to a Chinese-citizen parent who has not "settled abroad" and a foreign national parent. According to Article 5 of the PRC nationality law, the child has Chinese nationality automatically at birth. The child may also have the other parent's nationality automatically at birth through jus sanguinis. If the child is born in a jus soli country, the child will additionally have the nationality of that country automatically at birth.
  • – user102008 Jan 05 '15 at 05:21
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    @jpatokal: "by Chinese law they have to pick one when they reach maturity" Nope. Find a Chinese law that says they have to "pick", or that anything will happen if they fail to "pick". – user102008 Jan 05 '15 at 19:27
  • The other approach is to make all travel to/from China a country that doesn't require a visa. Spending too long abroad could still reveal what's up. – Loren Pechtel Dec 29 '21 at 01:03