YouTube now has more than a billion unique users every single month, the web TV portal wrote in a blog post.
The company also noticed that advertisers have taken notice: all of the Ad Age Top 100 brands are now running campaigns on YouTube.
According to YouTube, the figures of one billion monthly users also means that nearly one out of every two people on the Internet visits YouTube.
The announcement by YouTube comes six months after the news that Facebook said it had reached one billion monthly users.