The following is from WWE.com's "Industry News" section:

WrestleMania ticket sales already reach over $4.8 million

Source: Business Wire
Written: November 11, 2008

As reported by Business Wire Nov. 9, WWE’s ticket sales for WrestleMania XXV have already risen over $4.8 million. The annual event, being held this year at Houston’s Reliant Stadium, is expected to have fans from over 24 countries in attendance, including members of the WWE Universe from all 50 states and 7 Canadian provinces.