Facebook is now larger than Yahoo in the U.S.

New data released earlier today by web analytics firm Compete.com reveals that there has been a major shift at the top of the web charts: Facebook is now larger than Yahoo in the U.S.

Yahoo for years was the world’s most popular website — its ubiquitous portal has dominated the web since the 90s. Two years ago however, Google vaulted past Yahoo and became the Internet’s most popular destination. Last month, it became Facebook’s turn to knock Yahoo down another peg.

In December 2009, Yahoo garnered 133.45 million visitors in the U.S. Facebook wasn’t far behind with 132.13 million uniques. In the first month of 2010 though, there was a role reversal: Facebook’s traffic rose to 133.62 million visitors, while Yahoo shrunk down to 132.00 million.

Facebook’s shown no signs of stopping its meteoric rise, either. It recently celebrated its 400 millionth user and that number continues to rise in rapid fashion. Now the only website standing between it and web domination is Google.com.