The State Pension fund Outland (Direct translation) is managed by the Norwegian Bank, and has grown a lot over the years. The staten has a policy og never spending above a certain percent of the fund, witch has shown to be below the growt rate. On a nation level it is basically passive income. However with the increase, the influx from the fund to the state budget some says leads to increased Inflation in later years.

On a side note, just because the state has money, dosent mean every person is personally rich. Just that being poor dosent have to suck as hard or permanent with social policies like free healthcare and education.