Social Security is not taxation. You get money back directly to you correlated with what you paid.
As for as the "double" part, can you not then collect from both countries when you retire?
As for as the "double" part, can you not then collect from both countries when you retire?
While technically true, I wouldn't really call it a redistribution of "wealth", when income is capped at ~110k for the SS calculation. Wealthy people are hardly affected.