I was recently discussing with my American cousins about whether President Trump could end birthright citizenship. I was wondering if he indeed does so, what would the new "US nationality law" be, particularly regarding acquisition of citizenship?

I am not asking whether he will do that or not, I am asking about the likely nature of the new nationality rules regarding acquisition of citizenship. Similar to other Anglophone countries probably?

My question is precisely: What other systems other than bithright citizenship have been proposed to replace acquisition of citizenship in the USA?

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    Welcome on Politics.SE . "What if?" questions are most often frowned upon here, because no one can answer without speculating. I suggest you rephrase your question, with smg like "what other systems than bithright citizenship have been proposed to rule acquisition of citizenship in the USA ? Or: Which ones are in place in other countries ?
    – Evargalo
    Aug 31 '20 at 13:25
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    @Evargalo Thank you for the suggestion.
    – Jay Shah
    Aug 31 '20 at 13:51
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    @RickSmith Thank you for the link but it doesn't answer my question.
    – Jay Shah
    Aug 31 '20 at 13:51
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    As long as the US Constitution exists, there is a "birthright citizenship". There have been bills introduced in Congress to define who is (or may become) a citizen; but none to replace the "birthright citizenship" of the Constitution. I suggest you reword the "precise" question to clarify that. See, H.R.140 - Birthright Citizenship Act of 2019, for example.
    – Rick Smith
    Aug 31 '20 at 14:46
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    I voted to reopen your question, but what Trump means or wants to do precisely seems unclear or at least not detailed in public edition.cnn.com/2019/08/21/politics/… Some details on other countries in this Hill piece thehill.com/opinion/immigration/… Alas it's not clear what Trump envisages as ideal, constitutional hurdles aside.
    – Fizz
    Sep 1 '20 at 10:48

I don’t know what’s been proposed, but for example the British system is not unreasonable: If one parent is British, and a child is born in Britain, the child is British. Born outside Britain, the child is British “by descent”. If one parent is British “by descent” and the child is born in Britain, the child is British. Born outside Britain, the child is not British.

So it’s a combination of born in Britain plus some original connection of the parents that makes the child British, and being British survived one generation born outside Britain. A random pregnant non-British woman with a child born in Britain doesn’t produce citizenship unlike in the USA.

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    Britain also grants automatic citizenship to anyone born in Britain who lives there essentially continuously until they turn 10, regardless of their parents’ status. Nationality Act 1981 section 1(4).
    – cpast
    Sep 1 '20 at 14:27
  • What happens to a child whose parents are citizens by descent of two nations with the same law? What citizenship do they end up with? Sep 1 '20 at 14:27
  • @Azor Typically you’d end up with both citizenships.
    – cpast
    Sep 1 '20 at 14:28
  • @cpast I guess I left out the second half of my thought; if they were born in a third country (so they wouldn't inherit British citizenship according to this answer) Sep 1 '20 at 14:29
  • @Azor In many countries, someone born in the country is automatically a citizen in edge cases where they would otherwise be stateless.
    – cpast
    Sep 1 '20 at 14:33

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