1. Mandarin Chinese speakers make up roughly what percentage of the world’s 7.9 billion people?

2. Where are many of the countries producing the most renewable energy per capita located?

3. How many additional years do students in Australia study compared with their peers in India?

4. Roughly a quarter of people in the world identify as followers of what religion?

5. Which nations have the highest numbers of imprisoned journalists? What might that say about a country?

6. What’s the difference in the percentage of the population that can afford a healthy diet in Argentina and Myanmar?

7. Where are most of the world’s most profitable companies headquartered?

8. Which stats surprise you the most? Why?