Basically, none. A US resident is taxed just like a citizen. In fact,
even if you are not a green card holder, but have a "substantial
presence" in the US, you are still taxed like a citizen.
Marc de Piolenc
An Metet wrote:
>
> What are the tax implications of a US resident green card holder, with substantial
>assets both in his original nation and in the US, of becoming a US citizen?
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