In the University of Pennsylvania's 2013 "Global Go To Think Tanks Report", CSIS is ranked the number one think tank in the world for security and international affairs and was also ranked as the 4th best overall think tank in the world.
In the University of Pennsylvania's 2012 "Global Go To Think Tanks Report", CSIS is ranked the number one think tank in the world for security and international affairs. It was also ranked as the fifth best overall think tank in the world.