Windows Screen Resolutions (and Operating Systems)

Baseball Mogul 2013 in a 640x480 window

Just an update for game designers and web designers, since it can be hard to find all of this information in one place. The following is a list of the most popular screen resolutions for Windows machines:

Resolution	Share	Width	Height	Ratio	Type
1366x768	20.8%	1366	768	1.78	Widescreen (16:9)
1024x768	17.5%	1024	768	1.33	Video (4:3)
1280x800	12.1%	1280	800	1.60	Widescreen (8:5)
1280x1024	7.0%	1280	1024	1.25	Video (5:4)
1440x900	6.4%	1440	900	1.60	Widescreen (8:5)
1920x1080	5.6%	1920	1080	1.78	Widescreen (16:9)
1600x900	4.1%	1600	900	1.78	Widescreen (16:9)
1680x1050	3.6%	1680	1050	1.60	Widescreen (8:5)
768x1024	2.4%	768	1024	0.75	Vertical (3:4)
1360x768	2.4%	1360	768	1.77	Widescreen (16:9)
1024x600	2.2%	1024	600	1.71	Widescreen (5:3)
1280x720	1.6%	1280	720	1.78	Widescreen (16:9)
1280x768	1.5%	1280	768	1.67	Widescreen (5:3)
1152x864	1.4%	1152	864	1.33	Video (4:3)
1920x1200	1.1%	1920	1200	1.60	Widescreen (8:5)
800x600	0.9%	800	600	1.33	Video (4:3)
1280x960	0.7%	1280	960	1.33	Video (4:3)
1093x614	0.6%	1093	614	1.78	Widescreen (16:9)
2560x1440	0.4%	2560	1440	1.78	Widescreen (16:9)
1311x737	0.4%	1311	737	1.78	Widescreen (16:9)
Other	7.5%

Some facts to take away:

• "1024 x 768" is no longer the most common screen resolution.
• About 96% of Windows machines have a width of 1024 pixels or more.
• About 75% of Windows machines have a width of 1200 pixels or more.
• About 65% of screens are now "widescreen". That is, they have an aspect ratio closer to the new High Definition format (16:9) than the old Low Definition format (4:3). 
• A significant share of monitors (probably 3-5%) are being used vertically.

And here's the operating system breakdown (among Windows machines):

	Windows 7	Windows Vista	Windows XP
Game Players	69.6%	12.6%	17.8%
Classrooms	62.8%	4.9%	32.3%
Installed Base	50.6%	11.3%	38.1%
Average	61.0%	9.6%	29.4%