I couldn't find these statistics on VGChartz though I could have sworn they were on here back when you could grab the console data HTML and post it where ever the hell you wanted lol. That's not the point though. The point is, I have all the market shares right here! Enjoy!
Units sold rounded up to the nearest whole number.
5.5% Dreamcast (11 million sold)
11.1% GameCube (22 million sold)
12.1% Xbox (24 million sold)
71.06% PlayStation 2 (140 million sold)
6.8% Sega Saturn (10 million sold)
22.7% Nintendo 64 (33 million sold)
70.3% PlayStation (102 million shipped)
11.3% TurboGrafx-16 (10 million sold)
32.9% Sega Genesis (29 million sold)
55.6% Super Nintendo/Super Famicom (49 million sold)
82.1% Nintendo Entertainment System/Famicom (60 million sold)
17.8% Sega Master System (13 million sold)
OVERALL (503 M)
11.9% NES
2.5% SMS
9.7% SNES
5.7% GEN
1.9% TG-16
20.2% PS1
6.5% N64
1.9% SAT
27.8% PS2
4.7% Xbox
4.3% GCN
2.1% DC
SEGA (63 M)
20.6% SMS
46.03% GEN
15.8% SAT
17.4% DC
NINTENDO (164 M)
36.5% NES
29.8% SNES
20.1% N64
13.4% GCN
SONY (242 M)
42.1% PS1
57.8% PS2
Special thanks to the replies from this thread.









