Canada

It's still the same thing as birthright citizenship. He has Canadian citizenship because his mother is Canadian.

An online petition calling on the Canadian government to revoke Elon Musk's citizenship is on track to become one of the most popular in the history of the House of Commons.

There's just one problem — Canada can't revoke Musk's citizenship.

Immigration lawyer Gabriela Ramo says that under Canadian law, someone's citizenship can only be revoked if it can be proven that they committed fraud or misrepresentation to obtain it.

"Before they could move to do this, they would need to introduce legislation, there would have to be amendments to the current Citizenship Act," said Ramo, former chair of the Canadian Bar Association's immigration section. "There's no provision that would allow them to pursue revocation of citizenship of a Canadian birth, by virtue of his birth to a Canadian mother."