The Wii U has sold through 13.5 million units, making it officially Nintendo's worst-selling console | VG247
Nintendo Switch Beats Wii U's Lifetime Sales in Japan
Chart: Nintendo's Wii U Arrives Right on Time | Statista
Switch vs 3DS and Wii U Sales Comparison - March 2021
Nintendo Switch overtakes the Wii U - BBC News
Chart: Has Nintendo's Switch Passed Its Peak? | Statista
Nintendo Switch tops 3M units in latest quarter, surpasses GameCube in lifetime sales – GeekWire
Switch vs 3DS and Wii U Sales Comparison - February 2021
IR Information : Sales Data - Dedicated Video Game Sales Units
Nintendo Switch versus Wii U in launch sales | WIRED UK
Chart: Nintendo Reports Disastrous Wii U Sales | Statista
Nintendo Switch Crosses 111 Million Units Sold, But Overall Sales Are Down - Game Informer
Nintendo Updates List of Hardware and Software Units Sold | Shacknews
Switch vs 3DS and Wii U in the US Sales Comparison - Switch Lead Tops 6M in
Switch vs 3DS and Wii U Sales Comparison - February 2021
Nintendo says the Switch will outsell the Wii U after one year - Polygon
Nintendo Switch to beat Wii and Game Boy sales in 2022
Switch vs Wii Sales Comparison - June 2021
Switch vs Wii Sales Comparison in the US - December 2022 | N4G
Nintendo Switch growth continues as aging rivals Sony PS4 and Microsoft Xbox One stagnate – GeekWire
Switch vs 3DS and Wii U in the US Sales Comparison - February 2021
How Do Wii U And 3DS Sales Compare To Previous Nintendo Platforms? - Game Informer
Nintendo Switch Sales Sales Weaker than Wii in First Year - DFC Dossier
