Rasmussen Reports survey says 66% believe self-defense is the main reason to buy a firearm, while 44% thinks it is too easy to buy a gun in US.
You can read simpler version from Guns.com
http://www.guns.com/2016/04/13/why-do-you-buy-guns-most-americans-say-self-defense/
From: Guns.com, Rasmussen Reports
