Nearly four million people in Pennsylvania and New Jersey live in households that will spend more than 10% of their pretax income on healthcare this year, according to new reports from Families USA. In the report, the group said 2.3 million Pennsylvanians under age 65 are in households that will spend more than 10% on healthcare. That is up from 1.9 million in 2000. In New Jersey, 1.5 million people now fall into that category, up from one million in 2000.