New York TRS (NYSTRS) Retirement Calculator 2026

How NYSTRS calculates your benefit

The NYSTRS formula uses a tiered accrual rate, not a flat multiplier. The rate changes depending on how many years you've worked.

Years 1-20: 1.67% per year
Years 21-30: 2.0% per year
Years 31+: 1.5% per year
Annual Benefit = Total Accrual % x Final Average Salary

Walk through the numbers for a Tier 4 teacher with 28 years of service and a $78,000 FAS. The first 20 years accrue at 1.67%: 20 x 1.67% = 33.4%. The next 8 years accrue at 2.0%: 8 x 2.0% = 16.0%. Total accrual: 49.4%. Apply that to $78,000 and you get $38,532 per year, or $3,211 per month.

The 2.0% rate for years 21 through 30 is why 30 years is the target for so many New York teachers. Going from 20 to 30 years adds 20 percentage points to your benefit rate (10 years x 2.0%), compared to just 16.7 points for the first 20 years. The middle decade is the most valuable decade of service.

Tier 4 caps the benefit at 79% of the final average salary. You'd need roughly 36 years of service to hit that ceiling under the tiered formula: 20 x 1.67% = 33.4%, plus 10 x 2.0% = 20.0%, plus 6 x 1.5% = 9.0%, totaling 62.4%. At 37 years: 63.9%. The cap doesn't come into play for most teachers with typical career lengths.

Tier 4 vs Tier 6: what actually changed

The accrual formula is identical between the two tiers. The differences are in the final average salary period, the full retirement age, and the early retirement reduction rate.

The FAS change matters more than it looks. Tier 4 uses the best three consecutive years of earnings. Tier 6 uses the best five consecutive years. For a teacher whose salary grew steadily from $70,000 to $92,000 over the five years before retirement, the Tier 4 FAS would average roughly $89,000. The Tier 6 FAS would average closer to $83,000. That $6,000 gap in FAS, multiplied by a 50% accrual rate and 25 years of retirement, costs about $75,000 in lifetime income. Not catastrophic, but real.

The full retirement age difference is one year: 62 for Tier 4, 63 for Tier 6. For Tier 6 members who want to retire as early as possible without a reduction, that extra year of required service is a constraint that Tier 4 members don't face.

The early reduction rate is marginally steeper under Tier 6: 6.5% per year under age 63, versus 6.0% per year under age 62 for Tier 4. At age 55, a Tier 4 member faces a 42% reduction (7 years x 6%). A Tier 6 member faces a 52% reduction (8 years x 6.5%). Taking an early retirement under Tier 6 cuts the benefit more severely, on top of the lower FAS.

The 30-year threshold

For Tier 4 members, reaching 30 years of service is the most significant milestone in the pension formula. It's when the highest accrual tier ends. It's also the minimum service requirement for early retirement at age 55. And because the 2.0% rate applies for all of years 21 through 30, the final ten years of a 30-year career earn more per year than the first twenty.

A Tier 4 teacher who retires at exactly 30 years earns 53.4% of FAS. Stopping at 20 years gives 33.4%. That 20-percentage-point difference, on an $80,000 FAS, is $16,000 per year. Over a 25-year retirement that's $400,000. The financial case for finishing a 30-year career is hard to argue against.

For Tier 6 members, the 30-year mark still matters for the formula, but the service threshold for early retirement is only 10 years (not 30). The distinction matters most for members who entered teaching in their mid-30s or later: they may hit age 63 before they hit 30 years of service.

Early retirement reductions

Both tiers allow retirement as early as age 55, but the penalty is permanent. It doesn't phase out as you get older. It applies every month for the rest of your life.

For Tier 4, the reduction is 6% for each year before age 62 (calculated in months: 0.5% per month). Age 61 costs 6%. Age 58 costs 24%. Age 55 costs 42%. A teacher with a $3,500 unreduced monthly benefit who retires at 55 instead of 62 collects $2,030 per month instead.

For Tier 6, the reduction is 6.5% per year before age 63. Age 62 costs 6.5%. Age 58 costs 32.5%. Age 55 costs 52%. A $3,000 unreduced benefit drops to $1,440 per month at age 55.

The break-even question is the right way to think about this. How many years would you need to live past your retirement date to make waiting pay off? If waiting until 62 instead of retiring at 58 costs you four years of retirement income but adds 24% to every check going forward, the break-even is roughly 12 to 14 years. Retire at 62 and live past 74 or 75 and you come out ahead. That's not a long retirement by current life expectancy standards.

What counts as creditable service

NYSTRS credits service from New York public schools, BOCES, and certain other public employers in the state. Beyond the obvious, a few categories worth checking:

• Prior service with another New York public retirement system (transferable in some cases)
• Military leave from a NYSTRS-covered employer
• Approved leaves of absence that were reported to NYSTRS by your employer
• Service as a per diem substitute teacher (if reported and contributions were made)

Members can also purchase certain types of additional service credit, including out-of-state teaching experience. The cost depends on the type of service and the salary rate used. Whether purchasing makes financial sense depends on how close you are to a meaningful threshold: the 30-year mark for Tier 4, or the 10-year vesting minimum for Tier 6.

Coordinating NYSTRS with Social Security

New York teachers covered by NYSTRS are also covered by Social Security. This is different from several other large state teacher retirement systems (Texas, California, Illinois, Ohio) where teachers are excluded from Social Security entirely.

That means New York teachers earn Social Security credits alongside their NYSTRS pension. You won't face the Windfall Elimination Provision (WEP) reduction that reduces Social Security for teachers in non-covered states, unless you worked in a non-covered state earlier in your career. The Government Pension Offset (GPO) that reduces spousal Social Security benefits for teachers in other states also doesn't apply to NYSTRS members.

The combined NYSTRS pension and Social Security benefit makes New York teachers relatively well-positioned in retirement compared to colleagues in states that excluded teachers from Social Security coverage decades ago. A teacher who retires at 62 with a $3,200 NYSTRS benefit and a $1,400 Social Security benefit is looking at $4,600 per month before taxes.

The final average salary: what raises matter

Salary increases in the years immediately before retirement have an outsized effect on the final pension. Under Tier 4, every dollar added to the three-year FAS flows through the entire accrual percentage. A $5,000 raise in your third-to-last year that lifts the FAS by $1,667 ($5,000 divided across three years) adds roughly $840 per year to a pension with a 50% accrual rate. Over 25 years of retirement, that $1,667 increase in FAS generates about $21,000 in additional pension income.

Under Tier 6, because the FAS averages five years, any single year's salary increase has less impact. The same $5,000 raise adds only $1,000 to the FAS. It's one reason Tier 6 members who anticipate a large pay increase near retirement should understand the timing clearly.

Some districts have historically granted salary increases in the final years before retirement specifically because teachers and their unions understood the pension math. NYSTRS has rules limiting FAS calculations that attempt to exclude extraordinary compensation spikes from the FAS computation. Base salary increases negotiated through the collective bargaining agreement are generally included. Special payments, overloads, or one-time bonuses may not be.