Contrast two or three key economic factors for each country with the U.S

1. Contrast two or three key economic factors for each country with the U.S. economy, and comment. For example, if per capita GDP is significantly lower in the selected countries than in the United States, what might this imply? How would you rate the overall economic well-being for each country? Provide your rationale. 
(1) Japan vs. U.S.
(a) GDP
(b) Population/Growth Rates
(c) HDI Rankings
(d) (Rate economic well-being for Japan with rationale support from a-d)

2. Discuss the stability of the country's currency on the foreign exchange market. Has the value of the U.S. dollar impacted the selected countries' currency value?

(1) Japan
(2) China