Bofferbrauer on 15 January 2016
Debatable in the cases of Sega Master System and Megadrive due to Brasil, where they got supported well into the last decade, complete with new hardware revisions.
Edit: apparently, the Master System is still selling around 150k a year in Brasil: http://www.atlasobscura.com/articles/brazil-is-a-video-game-alternate-universe-where-sega-beat-nintendo
