Whoscall Stats and Facts
(source) whoscall helps you identify background information of strange calls in seconds through internet searching and community reporting! Whether it’s random advertisements, annoying telemarketing calls, or malicious scammers, you are able to know who is calling you at a glance.
Please note that some of these numbers are easier to find than others. A few of these stats come from the company’s own reports, but some are based on news reports and not official company tallies. Basically, this is the best I can find and I don’t guarantee anything to be 100% accurate.