A 2017 compilation of the latest Display, Facebook and AdWords clickthrough rates (CTR)
Sourced through Scoop.it from: www.smartinsights.com
It’s put together to help marketers and students studying interactive marketing create direct response conversion models for digital marketing campaigns.
The best source for current benchmarks is Doubleclick (the display advertising arm of Google) who have this regularly updated interactive Display Benchmarking tool as part of Think Insights. You can select by country, sector and ad format to create your own benchmarks.