Union Pension Underfunding Time-Bomb Soars By 75% In One Year, Nears $400 Billion

``The shortfall in US labor union pension funds is huge and growing rapidly. The latest data, from 2009, from the PBGC showed that these multi-employer plans were 48% underfunded with $331bn of assets to support $686bn of liabilities - and it has hardly been a good ride for those asset values since then. Critically, as the FT notes today, recent changes by FASB has enabled Credit Suisse to estimate shortfalls more accurately and it paints an ugly picture. ''