The season was originally scheduled to begin on 5 April and end on 27 November 2021, not including play-off matches.
They replaced Aalesund and IK Start who were relegated to the 2021 Norwegian First Division.
The promoted teams were Tromsø and Lillestrøm, both returning to the top flight after an absence of just one year.
They replaced Aalesund and IK Start, both relegated after a season's presence.
Jerv won 8–7 on penalties and were promoted to the Eliteserien; Brann were relegated to the Norwegian First Division.