Rank the given list of countries from most populous to least populous.
India, China, Mexico, Russia
1. China
2. India
3. Mexico
4. Russia
Complete the following task based on the instruction and optional input provided.### Instruction:
Rank the given list of countries from most populous to least populous.

### Input:
India, China, Mexico, Russia

### Output:
1. China
2. India
3. Mexico
4. Russia