The phrase 'is ranked first' is correct and can be used in written English.
For example, you could say "The United States is ranked first in terms of GDP."
The firm is ranked first in the rankings for arrangers of global syndicated loans and for worldwide investment-grade corporate debt, according to Thomson Reuters.
Overall, at most sites, the SMAP product or in-situ FT measurement is ranked first, and the model FT product is ranked last (although rankings vary across sites).
Candy Crush Saga is ranked first.
The Omnicom Group is ranked first, comfortably ahead of both.
Tennessee is ranked first against the pass in the A.F.C.
(Ohio State is ranked first in the country with about 3.1 million fans).
It has since recovered and is ranked first nationally, according to Scout.com.
Vonn is ranked first in the World Cup downhill, super-G and combined event standings.
He is ranked first in the country for players under 12.
It shows that B20 is ranked first for 21°bTDC and 24°bTDC and second for 27°bTDC injection timing.
