This is the 3137th most frequent Swedish word.
nations
Student associations at Swedish universities.
In this context, 'nationen' refers to a single country or state as a participant in an event.
Nationen deltog i den internationella konferensen för miljöskydd.
The nation participated in the international conference for environmental protection.
'Nations' here is used with a possessive form to indicate the national identity and independence of a country.
Vi firar vår nations oberoende med festligheter och fyrverkerier.
We celebrate our nation's independence with festivities and fireworks.
Here, 'nationer' refers to independent countries or states with defined boundaries and governance.