Can citizenship be revoked by the government after granted?

I know that if the government determines that you used deception at any stage of your immigration path, that that is grounds for revoking citizenship (which makes sense because the citizenship was granted on the basis of following that immigration path, but if your path wasn't valid, you have nothing to base your right to citizenship on).  But is there any other situation in which citizenship could be withdrawn after the fact?

I know you have to show "Good Character" to get it in the first place.  But once you have citizenship, apart from the aforementioned deception, other crimes won't jeopardize it, right?  I don't know why I'm asking this.  I'm just curious.

I know you have to show "Good Character" to get it in the first place.  But once you have citizenship, apart from the aforementioned deception, other crimes won't jeopardize it, right? 

Wrong. British citizenship is a privilege and not a right. What are you planning to do?

Wrong. What are you planning to do?

Hahahha!  Nothing!  I was just curious to know what a naturalized citizen's status is, compared to a natural-born citizen.  Citizens by birth can never lose their citizenship.  But naturalized ones can (even when there was no fraud/deception in their path to citizenship)?

I was just curious to know what a naturalized citizen's status is, compared to a natural-born citizen.  Citizens by birth can never lose their citizenship.

Yes they can. As long as the Home Secretary thinks they will have a claim to another citizenship, then their British citizenship can be removed. Immigratiion Act 2014. Prior to that Act (law) they needed to hold another citizenship for their BC to be removed.

Yes they can. As long as the Home Secretary thinks they will have a claim to another citizenship, then their British citizenship can be removed. Immigratiion Act 2014.

So a dual UKC/*-citizen who is UKC by birth can have their UK citizenship removed?  I did not know this!  What if they aren't a citizen of another country, but they are, say, a permanent resident of another country... can they lose their UKC then?  This is a fascinating subject!  (Ignore me if I'm wasting your time.  This really is irrelevant.)

Prior to that Act (law) they needed to hold another citizenship for their BC to be removed.

Edit:  Your edit answered my question.

Wow!  So, "a claim to citizenship" doesn't mean they actually have citizenship.  So a natural born UKC who is able to be naturalized in another country could lose their UK citizenship due to bad character.  Amazing.  Does it happen very often?  Has it happened at all?

I've always been under the impression that if I do something bad enough that I can lose either citizenship as long as I'm not left citizenshipless.  I must have a country, but lets say I commit mass murder in Britain as a dual British and American citizen born in the US.  The British government could revoke British citizenship and send me back to the US (once my prison sentence is completed?).  I think it has to be really bad for them to do this, but I believe it can be done.  I always wonder which country would be quicker at revoking if push came to shove.

I always wonder which country would be quicker at revoking if push came to shove.

If you look on the US site, it says that even if you revoke your US citizenship, you can still he deported back to the US.

The Immigration Act 1971 (the Act you would have used to be in the UK), does not allow ILR to be given back to someone who has had BC removed.

It has to be something serious to lose BC: against the interests of the UK, not conducive to the publc good, used deception on any application even if that visa wasn't used for British citizenship etc. A court hearing is not needed to remove BC as the Home Secretary can do that.

If you look on the US site, it says that even if you revoke your US citizenship, you can still he deported back to the US.

The Immigration Act 1971 (the Act you would have used to be in the UK), does not allow ILR to be given back to someone who has had BC removed.

It has to be something serious to lose BC: against the interests of the UK, not conducive to the publc good, used deception on any application even if that visa wasn't used for British citizenship etc. A court hearing is not needed to remove BC as the Home Secretary can do that.

Obviously, I have no plans to do anything to test this (!), but I really appreciate you indulging my curiosity and answering.  I'm starting to be convinced there's nothing you don't know about UK immigration and citizenship.

I'm starting to be convinced there's nothing you don't know about UK immigration and citizenship.

  Don't be: I don't know a lot.

The latest high profile removal of their British citizenship, seems to be the child sex gangs and terrorists.

Don't be: I don't know a lot.

The latest high profile removal of their British citizenship, seems to be the child sex gangs and terrorists.

Well, that seems appropriate.  Especially terrorists.  Wouldn't want to keep someone around who is out to destroy you. 

Yes they can. As long as the Home Secretary thinks they will have a claim to another citizenship, then their British citizenship can be removed. Immigratiion Act 2014. Prior to that Act (law) they needed to hold another citizenship for their BC to be removed.

If you renounced all other citizenship, would they be able to revoke it?

If you renounced all other citizenship, would they be able to revoke it?

If you look on the US site, it says that even if you revoke your US citizenship, you can still he deported back to the US.

I took that to mean that the answer to your question is yes.  The US will still take you back, and so the UK could remove your citizenship and send you there.

If you renounced all other citizenship, would they be able to revoke it?

If the Home secretary thinks you might have a claim to another citizenship, then yes. As I said, the US site is clear that you can still be deported back to the US even if you revoked your US citizenship.

If the Home secretary thinks you might have a claim to another citizenship, then yes. As I said, the US site is clear that you can still be deported back to the US even if you revoked your US citizenship.

Really interesting stuff.  I'd imagine if you're being deported to the U.S. you're likely going to a prison the moment you land but in theory you're being deported to a country where you as a non-citizen have no right to stay/work so once deported to the US you could be deported to somewhere else.  If you're stateless at that point I wonder where the US would deport you to, maybe just Tijuana.  Statelessness is one hell of a pickle.

Say you get deported and serve your prison sentence and then released? Are you instantly an illegal immigrant?

This is probably an unlikely scenario as I imagine the crimes involved to be deported and your citizenship is revoked are probably as severe as they come and carry life-long sentences