It depends on what precisely you are measuring.
Second largest.
Canada is the second largest country in the world, second only to Russia.
Geographically, Canada is the second largest country in the world. (after Russia)
It is the second biggest country in the world, with russia being the first.
3rd in the world Miami is first, Port everglades is second
Second
It is the second most powerful country in the world and has the second largest standing army
They Get Demoted to second lieutenant
second
Top second of the IT company in world
Number one.
russia is the biggest country in the world