On the same 750 000 kr gross, a worker takes home roughly 80 793 kr more per year in Norway than in Sweden. That gap reflects the tax structure alone — before rent, healthcare, or savings behaviour come into play.
Housing is the first multiplier. Norway has high rent pressure, while Sweden has high rent pressure. The two markets behave similarly, so most of the gross-to-net advantage flows straight into disposable income.
Healthcare and pensions go in the opposite direction. Norway runs a universal healthcare model — Universal public healthcare with small patient co-pays. Sweden uses a universal model — Universal regional healthcare with capped patient fees. The country with lower take-home often shifts costs that the other country leaves to your private budget.
Net-of-everything, a relocation decision should weigh comprehensive welfare state in Norway against comprehensive welfare state in Sweden, plus differences in pension capture, social safety nets, and city-level cost of living.