Medical Devices Set to Outperform Prescription Drug Market with 4.4% (CAGR) Growth vs. 2.5% (CAGR) between 2011 to 2018. EvaluateMedTech consensus forecast finds that the worldwide market for Medical Devices products is set to outperform the prescription drug market growth with +4.4% per year (CAGR) between 2011 and 2018, versus a more modest +2.5% growth for the drug market. In the 12-year period from 2006 to 2018, prescription drug sales growth only exceeded Medical Devices’ performance in two years, 2006 and 2009. Because of this higher growth rate, Medical Devices sales are forecast to equate to 51.3% of prescription sales in 2018, up from 43.4% observed in 2005.