Nintendo Switch tops 3M units in latest quarter, surpasses GameCube in lifetime sales - GeekWire
PS4 vs Xbox One vs Wii U USA Lifetime Sales – May 2017 Update
Switch vs 3DS and Wii U – VGChartz Gap Charts – October 2019
Switch to Success: 20 Years of Nintendo Console Sales - WP Guy News
Switch vs 3DS and Wii U Sales Comparison - February 2021
Interesting Analysis of Wii U Sales | NeoGAF
Nintendo Switch Lite outperforms Wii U in total sales - Nerd4.life
Nintendo Switch Vs. Wii and Wii U Sales: CHART
Nintendo's Iwata acknowledges slow Wii U sales, but no price drop is coming | Engadget
Chart: Nintendo's Wii U Arrives Right on Time | Statista
Nintendo Wii U sales trump Wii sales, 460,000 units sold in December - SlashGear
Wii U - Wikipedia
The Wii U has sold through 13.5 million units, making it officially Nintendo's worst-selling console | VG247
Wii | Video Game Sales Wiki | Fandom
Chart: Has Nintendo's Switch Passed Its Peak? | Statista
Next-Gen So Far: PS4 Beats Wii U Lifetime Sales in 48 Hours | USgamer
Wii U Sales
Nintendo Wii / Wii U hardware unit sales 2007-2018 | Statista
The Wii U launch by the numbers
Report: Wii U purchasing intent surges by 50% following E3 | GamesIndustry.biz
Nintendo's Wii U off to sold-out start
November sales data shows a worrying lack of momentum for the Wii U | Ars Technica
Daniel Ahmad on Twitter: "Super Smash Bros. Ultimate has sold in 13.81 million units. It is approximately 1 million unit sales behind the combined total of Super Smash Bros. for Wii U
Nintendo Switch Global Sales Officially at 14.86 Million, Surpasses Wii U
