Box Office Mojo estimates $232,180,000 worldwide. Not bad for opening weekend.
I see domestic of $73,000,000 on MOMJ (which they can pretty well estimate). No one has actuals in for the foreign amounts. Look here...
http://boxofficemojo.com/movies/?page=intl&id=avatar.htm
Scroll down and look at the countries. All of them are N/A.