1. What is the approximate world population? There are 7.674 billion people on earth. 2. What is the approximate world refugee population? 3.6 million

3. What percent of the world population consists of refugees? Round your answer to the nearest tenth.

4. Roughly 3.5 billion people have wealth of less than US $10,000. What percentage of the global population does this represent? Round your answer to the nearest hundredth.

5. Approximately 50% of all refugees are children (under the age of 18). How many refugees are children? Round your answer to the nearest whole number.