What is second-largest country in the world?
The second-largest country in the world by total area is Canada, covering an area of 9.98 million square kilometers (3.85 million square miles).
Complete the following task based on the instruction and optional input provided.### Instruction:
What is second-largest country in the world?

### Output:
The second-largest country in the world by total area is Canada, covering an area of 9.98 million square kilometers (3.85 million square miles).