Nintendo Switch eclipses Wii U lifetime sales in Japan - Polygon

On target for worldwide mark by the end of March

Video games in Japan - Wikipedia

Switch vs 3DS and Wii U in the US Sales Comparison - January 2021

Switch vs 3DS and Wii U in the US Sales Comparison - Switch Lead Tops 6M in

News - May, 2020

Nintendo Switch Reaches 14.86 Million Units Worldwide Sales, Surpasses Wii U Lifetime Sales - Siliconera

Analysis: Japan Buying More PS3, Less Wii

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Nintendo Switch: Most Up-to-Date Encyclopedia, News & Reviews

Video games in Japan - Wikipedia

Nintendo Switch Sells 1 Million Units In Japan And 'Breath Of The Wild' Is Not Its Best-Selling Game