[WestCoastJustin]

The United States makes up 4.46% of the world population [1], so there might be reason to believe that 95% of communications in transit are foreign. If you look at the users of facebook, there are more who are foreign (non-US) that US citizens [2].

[1] http://en.wikipedia.org/wiki/List_of_countries_by_population

[2] http://en.wikipedia.org/wiki/Facebook_statistics