As of 2009 Florida was the fourth most populous state. To see a complete list of all the states and their rankings due to population check out the link I put in the "Related Links" section.
Montana.
Montana is the 6th least populated.
Montana
Montana
idaho
Montana.
Australia is the sixth largest country in the world by total area.
Neptune is the fourth largest planet in our solar system.
Second State in the Union, sixth most populated state and 33rd largest state.
the fourth largest ocean is the Artic ocean i think
one twelfth
By area, Australia is the sixth largest country. By population, Pakistan is the sixth largest country.