An Search Engine Marketing firm iProspect(Original Search Engine Marketing Firm) survey revealed that 60.5% of Google, Yahoo!, MSN(now Live) and AOL users selected a natural search results over paid search results and the most surprising stats are that 60.8 percent of Yahoo! and 72.3 percent of Google search engine users chose natural search results as more relevant. Which is a clear indication that natural search listings are getting more clicks than Paid(Sponsored) listings.
In addition to this studies from Enquiro(a B2B Search Marketing Company) and iProspect(Original Search Engine Marketing Firm) exposed that 60.5% to 70.0% of users trust natural(organic) results while only 30% to 39.5% of users trust paid(Sponsored) results.
This clearly indicates that a listing in the natural(organic) search results is worth more compared to paid(Sponsored) listings in terms of higher click rate.
Although this may be the fact that natural search results helps in generating high quality traffic and business, there are considerably large number of crowd and still a great deal of companies which are spending higher amount of budgets on Pay Per Click Advertising and doesn't want to shift from it