Families with no savings at all are growing in number while those families with $50,000 and more grows too. A new study from the Institute for Social Research at the University of Michigan shows that in 2009 18.5% of families had no savings. In 2011 that number jumped to 23.4%. At the same time those families with savings of $50,000 or more -the highest category- increased from 11.8% to 14.6%. The rich get richer. the middle class get middle classier, while working families fall backwards.