NFL=46% NBA=25% Soccer= 28-43%
As of 2012, it is 2.4%.
< 1% of College Players < 0.01% of High School Players
40 percent ^^^ Say huh? Not hardly. The NFL Player's Association calculates the percentage to be about 2.4%
All current NFL players have attended a college. However, some players entered the NFL draft before they graduated from college. To get into the NFL, you must first be drafted by an NFL team in the college draft. Therefore, you would have to go to college to get to the NFL.
No. Not all college football players go to the NFL, not even all division 3 college football players go into the NFL