Labor wins NSW election. What are the federal implications?

Labor has returned to power in New South Wales, after more than a decade in opposition.

A composite of NSW Premier-elect Chris Minns (left) and outgoing NSW Premier Dominic Perrottet on election night Source: AAP / DEAN LEWINS / JAMES GOURLEY/AAPIMAGE

The state election result means Labor governments hold office in all the states and territories across Australia's mainland.

 The implications of that are being assessed by politicians, strategists and analysts - as members of the Liberal Party consider the factors behind their election defeat.