As soon as you start working! It is never too early to think about, and start saving for, your retirement. We suggest you talk to a financial planner about how saving even a small amount of money now can pay off later.
Be sure to check your funds in your Annuity Savings Account (ASA) at least once per year by logging on to your online account here. Please contact questions@inprs.in.gov if you have any questions about your ASA.