Updated October 30, 2026. Quick answer: For members of the Minnesota State Retirement System General Plan whose membership began on or after July 1, 2023, the plan is vested after three years of service, a full retirement benefit is typically at age 66, and a reduced benefit is available at age 55 or later once vested. The Rule of 90 applies only to members hired before July 1, 1989.
Hired on or after July 1, 2023
“July 1, 2023 or after Eligible (vested) after three years of service. Full retirement benefit: Typically at age 66. Reduced retirement benefit: age 55 or later, assuming you are vested.”
Hired between July 1, 2010 and June 30, 2023
The page’s vesting line for this group: “Eligible (vested) after: three years of service if an active employee on July 1, 2023; or five years of service if not an active employee on July 1, 2023.”
Hired before July 1, 1989
“Full retirement benefit-eligible when you meet one of the following criteria: age 65; or Rule of 90 (your age plus years of service equal 90 or more); or age 62, with 30 or more years of service.” “Reduced retirement benefit-eligible when you meet one of the following criteria: age 55 or later, assuming you are vested; or any age, with 30 or more years of service.” “If Rule of 90, there is never a reduction in monthly benefits, regardless of age at retirement.” For this hire-date group the benefit page adds: “Monthly benefit is reduced by 3% for each year an employee retires prior to age 65. If 30 or more years of service: benefits are reduced by 3% for each year under age 62.” Vesting for this group is three years of service, assuming the last day worked was after May 16, 1989. The page does not say how a level formula member hired after 1989 is reduced.
Level formula: retiring before full retirement age
The benefit page says: “Full retirement: Vested members are eligible for an unreduced retirement benefit at age 66.” “If you retire before full retirement age, your monthly benefit is reduced because you will collect the benefit for a longer period of time.”
What the pension is based on
“Hire date : July 1, 1989 or after Benefit multiplier: Prior to July 1, 2025: 1.7% for each year of service. July 1, 2025 or after: 1.9% for each year of service”. “Then we calculate your high-five average salary, using your highest five consecutive years of salary.”
A worked example with invented numbers
Take an invented member hired after July 1, 1989 with 25 years of service earned at the 1.7% level formula, retiring at 66. That is 25 years at 1.7%, or 42.5% (computed) of a final average salary of $70,000 (invented, for the computation), which comes to $29,750 a year (computed).
What the documents do not say
The page does not state in running text how much a level formula member loses by retiring before 66. The 3% a year reduction it prints sits under the hire date before July 1, 1989, a group that uses whichever of the step or level formula pays more, and the page does not say how it applies to other groups. Hire-date boundaries for the 1989 to 2010 and 2010 to 2023 groups are lists on the General Plan page, and no statute text was read. The 1.9% factor applies to service from July 1, 2025. Correctional and other MSRS plans are not covered, and Minnesota PERA and TRA have their own pages.
Common mistakes
- Applying the Rule of 90 to a current hire. The page limits it to members hired before July 1, 1989.
- Assuming a three-year vesting date for everyone. The page makes it five years for those hired between July 1, 2010 and June 30, 2023 who were not active on July 1, 2023.
- Applying the 3% a year reduction to a member hired after July 1, 1989. The page prints that rate under the hire date before July 1, 1989.
Related: Minnesota MSRS retirement decisions, the Minnesota MSRS COLA for 2027, how public pension decisions work, and whether Minnesota taxes pensions.
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Answer againSources
- Minnesota State Retirement System, General Plan: www.mnretire.gov
- Minnesota State Retirement System, General Plan Benefit Multiplier: www.mnretire.gov
- Related official page (not quoted): IRS Tax Topic 410, Pensions and annuities: www.irs.gov
- Related official page (not quoted): IRS Tax Topic 411, Pensions: the General Rule and the Simplified Method: www.irs.gov
Read from the primary documents linked above on October 30, 2026. General information, not tax advice. Your own facts decide the outcome, and a preparer or the IRS itself is the right place to confirm anything consequential.