De or het loonevolutie?

The correct Dutch article is:

de loonevolutie

Rule Words ending in -tie and -sie: almost always de. See the rule

How to use loonevolutie

the loonevolutiede loonevolutie
this loonevolutiedeze loonevolutie
that loonevolutiedie loonevolutie
our loonevolutieonze loonevolutie
your loonevolutiejouw loonevolutie
every loonevolutieelke loonevolutie
which loonevolutie?welke loonevolutie?
a big loonevolutie / the big loonevolutieeen grote loonevolutie, de grote loonevolutie