Japan has the second best and largest economy in the world. Because of this, Japan has one of the worlds highest standards of living. Their main sale is electronics. Since Japan is good at making electronics such as cell phones and games systems, they are the leaders in exporting goods in the world.
The exchange rate for the Japanese yen is .0092. An easier way to understand how much yen is in dollars is to cover up two zeros. So, if it was 1,000 yen that would be $10 U.S dollars.