The following data release is sourced from The NPD Group's U.S. Games Industry Sales (New Physical Sales Channel) report for December 2015.
All data disclosed to Neo GAF is fundamentally immaterial to the business of The NPD Group, Inc.
NPD's monthly point-of-sale data reports on U.S. Games Industry sales occurring from new physical purchases at retail which is the largest channel for games sales, but does not represent 100% of industry sales; it does not account for consumer purchases made via digital distribution, used game sales, subscriptions, mobiles, rentals, or social network games. NPD's Games Market Dynamics: U.S. is issued quarterly and is NPD's official estimate of the consumer spend on the industry and it does include estimate of the size of these other monetization methods.
Last Month:
U.S. November 2015 Video Game Console Hardware Unit Sales:
Sony Corp's 'PlayStation 4': 1539K units (+85.3% year-over-year)
Microsoft Corp's 'Xbox One': 1296K units (+5.3% year-over-year)
Nintendo's 'Wii U': 240K units (+0.1% year-over-year)
Microsoft Corp's 'Xbox 360': 72K units (-76.5% year-over-year)
Sony Corp's 'PlayStation 3': 23K units (-74.1% year-over-year)
This Month:
U.S. December 2015 Video Games Console Hardware Unit Sales:
Sony Corp's 'PlayStation 4': 1582K units (+48.5% year-over-year)
Microsoft Corp's 'Xbox One': 1376K units (+6.1% year-over-year)
Nintendo's 'Wii U': 463K units (-19.5% year-over-year)
Microsoft Corp's 'Xbox 360': 139K units (-55.0% year-over-year)
Sony Corp's 'PlayStation 3': 29K units (-83.3% year-over-year)
Here is a handy bar graph produced for your convenience: