2016's Terrorism Totals - Over 1,000 Arrested In Europe
According to the latest Europol report, there were 1,002 arrests made for terrorist offences in the EU last year.
You will find more statistics at Statista
Of these, Statista's Martin Armstrong notes that 718 were related to jihadist terrorism - making three consecutive years of increases. Nevertheless, the majority of the 142 attacks completed, foiled or failed were related to ethno-nationalism and separatism (99). Of these attacks, 47 were classed as 'completed'.