June 07, 2019 13:53 Updated Follow There are more than 450,000 total members in INPRS plans, including retirees. For more information, check our annual report. Related articles What does FSP stand for? How do I contact INPRS? How many years of creditable service must I have in order for my spouse or child to receive a survivor benefit from PERF? When was PERF founded? I need to withdraw my retirement account ASAP. Can I apply for an emergency payment?