2. ‘one child only’ policy helped population control in which country?

3. Which continent has the most countries with very rapid population increase?

4. Which country has the largest population in the world?

5. The world population is__________

6. Which is the most populated city in the world?

7. What is the world population in 2019?

8. In which year was population day introduced?

9. Which is the second most populated city in the world?

10. Most densely populated continent is _____