Amer­i­cans feel under-prepared for the finan­cial real­i­ties of retire­ment, accord­ing to new data from North­west­ern Mutu­al. Near­ly eight in 10 (78%) Amer­i­cans are "extreme­ly" or "some­what" con­cerned about afford­ing a com­fort­able retire­ment while two thirds believe there is some like­li­hood of out­liv­ing retire­ment sav­ings.