December NPD – Xbox One leads in December - Xbox Wire
NPD: The Xbox One Was The Top-Selling Console In July - Game Informer
NPD: PS4 Slim and Xbox One S fail to prevent US sales decline | GamesIndustry.biz
NPD: 70% Of Switch Owners Also Own A PS4 Or Xbox One – NintendoSoup
Xbox One selling more than twice as fast as Xbox 360 - Microsoft on NPD data | VG247
PS4, Xbox One doubling last gen sales - NPD Canada | GamesIndustry.biz
November 2014 NPD: Xbox One Defeats PS4, Call of Duty is #1
Microsoft: Xbox One Pre-Orders Outpacing Xbox 360 | PCMag
NPD: Nintendo Switch Sold 1.77 Million Units In The US In December 2018 – NintendoSoup
NPD Group: Xbox 360 holds the No. 1 US console spot in October - The Official Microsoft Blog
NPD: November was best month ever for PS4, Xbox One | GamesIndustry.biz
NPD Group: Xbox Series Becomes Best-Seller Over Switch and PS5 in March 2022; Has Best March Sales Performance in 11 Years
PlayStation dominates April 2018 NPD data, spending on Xbox One and PS4 drove hardware growth - MSPoweruser
NPD Seventh generation | Video Game Sales Wiki | Fandom
NPD: Xbox One, PS4 Sales in Canada Double That of 360/PS3's Launch - GameSpot
Xbox One is Fastest Selling Console in the US; November NPD Group Figures Revealed - Xbox Wire
PS5 And Next Xbox Announcements In 2019, PS4/Xbox Sales To Decline, Says NPD Analyst
Xbox One beats PlayStation 4 in July 2016 NPD ahead of Xbox One S launch - AR12Gaming
NPD: 70% Of People In U.S Who Own A Nintendo Switch Also Own PS4 Or Xbox One - My Nintendo News
NPD: Xbox One is the "fastest-selling" console in November and Call of Duty leads software - GameSpot
NPD Group: Xbox One's Victory Streak Ends With PS4 Winning November 2016 - GameRevolution
Xbox One, PlayStation 4 fuel 50% spike in video game console sales - Los Angeles Times
April NPD: Xbox One outsells PS4 – Destructoid
NPD November: PS4 Top-Selling, Xbox One Fastest Selling
PS4 won the December NPD, but Xbox One had its biggest month yet and Microsoft says Sony saw no year-on-year growth | VG247
April 2015 NPD: Xbox One tops PlayStation 4 - Gematsu
