There's an overwhelming amount of evidence, you could put the slightest bit of effort into looking it up. Being privileged isn't something that takes effort or one is guilty of. Let's say I'm 6' 4"; it's intrinsically easier for me to reach things high up. That's a privilege. I'll spend 3 minutes on Google then I need to get back to work.
http://www.nber.org/digest/sep03/w9873.html
http://www.tandfonline.com/doi/full/10.1080/09500693.2015.11...
https://www.nytimes.com/2015/01/04/upshot/the-measuring-stic...
https://www.nytimes.com/2015/01/04/upshot/the-measuring-stic...