ComScore World Metrix has released a study revealing just how much of Google’s, Yahoo’s and MSN’s traffic comes from outside the U.S.
According to the findings, Google gathers a whopping 79.8 percent of unique visitor traffic and 89.1 of pageviews from non-U.S. users. Yahoo sites receive 75.9 percent of uniques and 67.2 percent of pageviews from outside the country, while Microsoft sites get 79 percent of uniques and 75.4 of pageviews from beyond the U.S. Ask Network derives 57.4 percent of uniques and 39.6 percent of pageviews from other locales.
So, be sure to be specific with your geographic targeting!