Professional refers to somebody who earns a living by doing something, therefore only sponsored athletes are professional. The majority of athletes aren't professional.
There are more than 1,000 professional athletes in Europe.
Most, Michael Jordan for example.
There number of the professional black athletes is in the tens of thousands. Most of the athletes disciplines is dominated by the black athletes from different parts of the globe.
No, you have to be amateur I believe.
What kind of athletes
there are currently 102 million athletes in the world.
Many kids dream of being professional athletes.
all athletes are educated, but the amount of it varies.
To build things for the athletes
Professional athletes do it because it's their job. The rest do it because they want to, or strive to become a professional.
No they can not