PSP is number 1 in Japan the first half of 2008
Amazon.com: SONY PSP Playstation Portable Console JAPAN Model PSP-3000 Piano Black (Japan Import) : Video Games
Sony PSP 3000 Vibrant Blue Console Used Good Condition Japan 4948872412124 | eBay
Comparison between DS and PSP in Japan | Download Table
PSP is still doing well in Japan – Destructoid
Sony PSP Go Suffering Appalling Japanese Sales? - SlashGear
/cloudfront-us-east-1.images.arcpublishing.com/gray/UPDNK4NEKRFALDZDDHHBNVYY3Y.jpg "Sony sells 1 million new PSPs in Japan in 2 months")
Sony sells 1 million new PSPs in Japan in 2 months
Persona 5 Royal Ranked 24th Best Selling 2019 Game in Japan - Persona Central
Who won? First-week sales of PS Vita vs. PSP vs. 3DS vs. DS (infographic) | VentureBeat
PSP Slim Sales Hit One Million In Japan - Exophase.com
Amazon.com: SONY PSP "Playstation Portable" Value Pack Red / Black (Pspj-30026) (Japan Import) : Video Games
sales share of consoles in 4th generation onwards, in N. America/Europe/ Japan regions (notice how stronger Xbox is in N. America) : r/xbox
Analysis: Japan Buying More PS3, Less Wii | WIRED
/cdn.vox-cdn.com/uploads/chorus_image/image/3298519/vita.0.png "PlayStation Vita reaches new sales low in Japan, drops behind PSP sales - Polygon")
PlayStation Vita reaches new sales low in Japan, drops behind PSP sales - Polygon
Sony PSP Japan sales hit record high | Reuters.com
September Console Sales Data for Canada, USA, JapanPS3Blog.net
Japanese sales figures highlight 3DS' holiday dominance | Pocket Gamer.biz | PGbiz
PSP Sales Are Up Year After Year | by Sohrab Osati | Sony Reconsidered
PSP lifetime unit sales by region 2022 | Statista
Corporate Management Policy Briefing/Third Quarter Financial Results Briefing for Fiscal Year Ending March 2012
PlayStation Portable | Video Game Sales Wiki | Fandom
Japanese gamers no longer delighted by DS Lite? • The Register
Sony launches new PSP in Japan to battle Nintendo DS | Reuters.com
3DS Outsold by PSP In Japan - Game Informer
Why PS Vita's Japanese Sales Figures Aren't Bad After All | TheSixthAxis
/cdn.vox-cdn.com/uploads/chorus_asset/file/14736032/DSCF5387.0.1411508580.jpg "PSP stops shipping in Japan ten years after going on sale - The Verge")