17% chance of making the league according to TruthAboutIt.Net who make their living in the NBA as one blog investigating the question speculated Via Dan Diamond who make their living in the NBA who make their living in the NBA 17% chance of making the league who make their living in the NBA anyone over 7'0" who make their living in the NBA 17% of 7-foot-tall American men play in the NBA anyone over 7'0"