PlayStation brand 'is in decisive decline in Japan', research firm claims | VGC
Japan: Nintendo Switch Is Only 137k Units From Overtaking The PS4 Family's Lifetime Sales - NintendoSoup
PS4 vs Xbox One vs Switch Japan Lifetime Sales – October 2017
PlayStation 5 Sales Reach 1 Million Units in Japan, Faster Than PS4 - Game News 24
PS4 vs PS3 in Japan – VGChartz Gap Charts – March 2018 Update | N4G
Japanese Sales Charts: PS4 and PS4 Pro Continue to Outsell Switch - Push Square
PS4 vs Xbox One vs Switch Japan Lifetime Sales – October 2017
The Nintendo Switch Just Topped The PS4's Lifetime Sales In Japan
Nintendo Switch sales eclipse PS4 launch in Japan - SlashGear
Sony's profits jump on sales of PS4 - BBC News
Switch vs PS4 in Japan – VGChartz Gap Charts – September 2019
PS4 sales hit 5.3 million ahead of Japan launch, while Xbox One sits pretty at 3.6 million - ExtremeTech
Mario Kart 8 is helping Nintendo kill PS4 sales in Japan | TweakTown
Nintendo Switch Has Already Surpassed PS4 Total Sales in Japan
PS4 Drops Sharply in Japanese Hardware Sales Chart After Tax Hike; Natural Doctrine Flops Hard
Microsoft sold just 99 Xbox Ones in Japan last week, according to latest sales figures - Neowin
PS4 vs Xbox One vs Wii U Japan Lifetime Sales – May 2017 Update
Nintendo Has Almost Completely Pushed Sony Out of Japan
PS4 vs Xbox One vs Wii U Japan Lifetime Sales – August 2015 Update | N4G
PS Store Big in Japan Sale Has Some Seriously Great PS4 Bargains - Push Square
PS4 vs PS3 in Japan Sales Comparison - PS4 Falls Further Behind in August 2020
Why Did Sony's PS3 Just Outsell the PS4 in Japan? | The Motley Fool
Sony's Big in Japan Sale on PS4 features great fighting game deals including SF5: Champion Edition's Upgrade Kit and Samurai Shodown NeoGeo Collection
