According to a new report from Pew Charitable Trusts. States are short $968 billion for their pension systems, an increase of $54 billion over the year before. When debts from local programs are taken into account, the total shortfall tops $1 trillion, according to the report.
http://www.pewtrusts.org/en/research-and-analysis/issue-briefs/2015/07/the-state-pensions-funding-gap-challenges-persist