The US has roughly 100,000 patients waiting for a kidney transplant and yet over 2,000 kidneys are discarded each year, 1/5th of them because a recipient couldn’t be found. – WTF Fun Facts
Source: https://www.nytimes.com/2012/09/20/health/transplant-experts-blame-allocation-system-for-discarding-kidneys.html?pagewanted=all&_r=0