Is renouncing one's US citizenship approximately equally administratively complex as renouncing one's US lawful permanent resident status (i.e., giving up one's green card)?
If that matters (e.g., for tax treaties), the US lawful permanent resident or US citizen is also a French citizen.
Is renouncing one's US citizenship approximately equally administratively complex as renouncing one's US lawful permanent resident status (i.e., giving up one's green card)?
Not at all. You can relinquish permanent residence quite easily, even by mail, and there is no fee. Renouncing citizenship requires appearing before a consular officer and a hefty fee, currently $2350.
