1. USA

2. 1. Population 1. Population EXPLORING THE REGION OF USA As the world's population is approximately 6.8 billion, the current United States population represents a mere 4.5% of the world's population so about one in every twenty people on the planet is a resident of the United States of America. 2000 U.S. population density within each county, in persons per sq. mile (lower 48 states only): Light to dark (yellow to blue): 1-4 (y), 5-9 (lt. green), 10-24 (teal), 25-49 (dk. teal), 50-99 (blue-green), 100-249 (blue), 250- 66,995 (dark blue).population density

3. 2. Current President Barack Obama

4. 3. Type or Government Democratic 4. Currency Dollars 5. Main products that the country exports aircraft, motor vehicles and parts, iron and steel products, electric and electronic equipment, etc.

5. Major Cities (PICTURES)