Yes they do but normally toward the end of their career.
Sumo is a Japanese sport. There are Chinese sumo wrestlers.
This depends on the sumo wrestler and wrestler in question. However, it can generally be agreed that sumo wrestlers are stronger. (However, many recreational/amateur sumo wrestlers are not strong)
until one of them get out of the circle
There are Chinese Sumo wrestlers. Those that make the most money are wrestling in Japan.
YES Sumo wrestlers in ancient japan. Japanese sumo's opened there mouths and swallowed the flies that were on there faces
No, there are no weight classes in sumo. So a wrestler can be matched up with someone who is much heavier. That is why weight gain is so important in sumo training.
No.
No. Sumo wrestling and other wrestling have nearly nothing in common-most wrestling involves fighting on the mat-if you touch the floor in sumo you lose..
It provides a place to eat, sleep and train. Food is plentiful to help them gain weight. They train with the others in their stable so there are always training partners. The stable provides them with all the necessities they need.
Sumo wrestlers tend to carry a lot of mass, to make them more difficult to move and throw.
it is impossible to calculate the number of sumo wrestlers because there is always new ones.