Consider the following observations:
1. Largest population cluster on Earth, with 25% of the world’s total population, is found in East Asia
2. Around two-third of the earth’s population lives in the tropical latitudes
3. Around ninety percent of the earth’s population lives on 5% of the land
Which among the above observations is / are correct?
This question is a part of GKToday's Integrated IAS General Studies Module