RetirementCalcByState
🦞 MA Pre-Filled
Massachusetts State Pension
Retirement Calculator 2026
Calculate your estimated Massachusetts State Employees’ Retirement System retirement benefit using the official formula. Massachusetts’s 2026 rates are pre-loaded.
Formula: Years of Service × Final Average Salary × 2.5% = Annual Pension
2.5%
Benefit Multiplier
Top 3 yr avg
Final Avg Salary
10 yrs
Vesting Period
No SS
Social Security
🏛️ MSERS Calculator
Massachusetts Pension Benefit Estimator
Enter your years of service and final average salary — Massachusetts’s 2.5% multiplier is already loaded.
$
Using highest 3-year average
✓ Pre-filled — Massachusetts 2026 rate
Annual Pension
—
Per year
Monthly Pension
—
Per month
Replacement Rate
—
% of final salary
Calculation Breakdown
Years of Service—
Final Average Salary—
Benefit Multiplier2.5%
Annual Pension Benefit—
Income Replacement0%
⚠️ This is an estimate based on the standard Massachusetts State Employees’ Retirement System formula. Actual benefits may vary based on your specific tier, early retirement reductions, survivor benefit elections, and other factors. Contact Massachusetts State Employees’ Retirement System for an official benefit estimate.
🏛️ Massachusetts State Employees’ Retirement System Facts
Benefit Multiplier
2.5% per year
Final Avg Salary
Highest 3-year average
Retirement Rule
Age 65 with 10 years (Group 1); Age 55 with 20 years
Vesting Period
10 years
Employee Contribution
9% of salary
Employer Contribution
29.31% of salary
Social Security
No — pension replaces Social Security
COLA
Ad hoc — granted periodically
System Overview
Massachusetts state employees do not participate in Social Security — the pension is their only government retirement benefit.
What to Know About Massachusetts Retirement
- →Massachusetts state employees do not participate in Social Security — the pension is their sole retirement income from the state.
- →Massachusetts uses a 2.5% multiplier and has generous early retirement options for long-service employees.
- →The standard pension formula is: Years of Service × Final Average Salary × 2.5%. For a 30-year employee earning $65,000/year, this means $48,750/year in annual pension benefits.
Frequently Asked Questions
How is the Massachusetts pension calculated?
The Massachusetts State Employees’ Retirement System uses this formula: Years of Service × Final Average Salary × 2.5%. Your “final average salary” is based on your highest 3-year average. For example, with 25 years of service and a $60,000 final average salary: 25 × $60,000 × 0.025 = $37,500 per year.
When can I retire with a full pension in Massachusetts?
Full retirement eligibility in Massachusetts: Age 65 with 10 years (Group 1); Age 55 with 20 years. You may be able to retire earlier with a reduced benefit — contact Massachusetts State Employees’ Retirement System directly for your specific eligibility date based on your hire date and tier.
Does Massachusetts pension replace Social Security?
Massachusetts pension members do NOT participate in Social Security. Your Massachusetts State Employees’ Retirement System pension is your primary retirement income — you will not receive Social Security benefits based on this employment.