NPD Group Inc. this week said Microsoft Corp. sold 1.7 million Xbox 360 units in Dec. U.S. figures to rank as the No. 1 console in the nation.
Total Xbox product sales in Dec. totaled $1.5 billion.
Microsoft this week said the Xbox 360 has sold 66 million units globally. In addition, it has sold 18 million Kinect sensors and holds 40 million Xbox Live members.
For 2011, the Xbox 360 held 49 percent of video game consumer spending with $6.7 billion, with $2.1 billion in hardware sales and $4.6 billion in games and accessories sales.