Public Policy Research Think Tanks: Top Think Tanks – Worldwide (US and non-US)
Brookings Institution – Worldwide (U.S. and non-U.S.) Center of Excellence for 2016-2018 Note that the 2019 Global Go To Think Tank Report has a change from previous indexes. Any think tank that has ranked as the top think tank in a category for three consecutive years will not be included in the ranking list for the next…