De or het wereldranking?

The correct Dutch article is:

de wereldranking

Rule Words ending in -ing: almost always de. See the rule

How to use wereldranking

the wereldrankingde wereldranking
this wereldrankingdeze wereldranking
that wereldrankingdie wereldranking
our wereldrankingonze wereldranking
your wereldrankingjouw wereldranking
every wereldrankingelke wereldranking
which wereldranking?welke wereldranking?
a big wereldranking / the big wereldrankingeen grote wereldranking, de grote wereldranking