May 18, 2020 17:18 Updated Follow There are more than 450,000 total members in INPRS plans, including retirees. For more information, check our annual report. Related articles Where can I find INPRS's CAFR? What does FSP stand for? Who are INPRS' Board members? I am an employer. Where can I review information about providing Public Employees’ Retirement Fund (PERF), Teachers’ Retirement Fund (TRF) and 1977 Fund benefits for my employees? What is a Submission Unit and Submission Unit ID number?