Report finds that healthy plans funding has risen, while critical plans have not.
Groups represent just 1.1% of the trillions of dollars overseen by the global asset management industry, report says.
Groups believe that Consumer Price Index-based inflation is actually closer to 8%, not 3%.
Six funds raised $13.6 billion in investor capital, according to Preqin.
Industrial properties, followed by multifamily homes and self-storage properties, are of most interest.
Pew report says states are paying billions of dollars in unreported fees.
Funds play a positive role in pre- and post-retirement, ITF says.