According to reports, highest amount is offered to those who get recruit those who possess skills such as engineers, IT technicians and doctors which can be utilised in the battlefield.
"We have heard about situations where recruiters were paid from 2-3,000 to 10,000 dollars depending on who was recruited," reported the Express.co.uk citing Elzbieta Karska, who chairs a UN group studying foreign fighters lured by Islamic extremism as saying.
"If somebody was well educated like computer specialists or doctors, they were paid more," added Elzbieta.
The report also confirms that the group has also started inducting women in its territory to be used as carers for their injured fighters.
"A significant degree of recruitment currently occurs through friends and family in Syria, who are also paid on the basis of the number of persons they recruit and on whether the recruits subsequently marry," added Elzbieta.
ISIS uses social media such as Facebook, Twitter as their primary means of radicalising young people in Europe.