If you mean population it is #1. If you mean size it is #3
The third most populated country in the world is the United States. China is first and India is second for highest populations.
First position-China Second position-India Third position-U.S.A.
Post-Cold War, the terms "first world", "second world", and "third world" pretty much mean whatever you want them to mean. China would be a second world country according to almost any currently used definition, however.
second
Third world country, on it's way to become a second with (socialism).
Romania is now considered a second world country; but officially and correct definitions for first, second or third world don't exist.
Yes it is. China is first. India is second. USA is third. Indonesia is fourth. Brazil is fifth.
China, US, Russia are disputed as first second or third
The third largest country in the world by area is the United States, and it is also the third most populous. China is the largest country in the world by population.
It's a first world country
Canada is second country in the world, in terms of size
China is not the largest country in the world, It is the third largest (after Russia and Canada).It is, however, the most populous country, with nearly 1.4 billion people in 2014. (This is about 1/5 of the total population of the world.)