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CalPERS 2% at 55 — The Classic Formula Explained

The most common Classic CalPERS retirement formula

The 2% at 55 formula is the most widely used Classic CalPERS retirement formula — covering State Miscellaneous, Local Miscellaneous, and School Classic members. It says: at age 55, your benefit factor is 2.000%. Each year of service multiplies that 2% by your final monthly compensation (highest 12-month average) to produce your monthly pension.

The 2% is not the whole story, though. Below 55, the factor is lower (down to 1.092% at the minimum retirement age of 50). Above 55, the factor keeps climbing — to about 2.418% at age 63, which is the maximum-factor age. So you can think of "2% at 55" as the formula's headline number, not its ceiling.

Key Facts

  • Minimum retirement age: 50 (factor ~1.092%)
  • Reference age: 55 (factor 2.000%)
  • Maximum-factor age: 63 (factor ~2.418%)
  • Final compensation: highest 12-month average
  • COLA cap: 2% per year
  • Applies to: Classic members hired before 1/1/2013, or with prior CalPERS membership

Worked Example — Age 55, 25 Years, $8,000/Month

Benefit factor at 55: 2.000%. Times 25 years of service: 50% replacement rate. Times $8,000/month final compensation: $4,000/month, or $48,000/year. That same person who works to 63 with 33 years of service collects: 2.418% × 33 × $8,000 = $6,384/month, or $76,608/year — a 60% bigger pension for 8 more years of work.

Differences Within the 2% at 55 Family

The benefit factor table is essentially identical across State Miscellaneous, Local Miscellaneous, and School categories. What differs between them is: (1) Social Security coverage — state misc generally is covered; school members generally are not, which affects coordination with Social Security benefits. (2) Whether your employer participates in PEPRA only or also has Classic members. (3) Some employer-specific contract provisions like cost-sharing.

2% at 55

State Miscellaneous & Industrial

Classic state miscellaneous & industrial members

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2% at 55

School

Classic school members hired before 1/1/2013

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2% at 55

Local Miscellaneous

Classic local miscellaneous members

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All 2% at 55 Formulas

Calculator — 2% at 55 (State Miscellaneous)

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2% at 55 — Frequently Asked Questions

What is the difference between School and State formulas?▾
School formulas apply to employees of K-12 school districts, community college districts, and county offices of education who are members of CalPERS. State formulas apply to state government employees. The benefit factors and retirement age ranges may differ between categories.
Is there a PEPRA compensation cap?▾
Yes. PEPRA limits the compensation used to calculate your pension. For 2024, the cap is $146,064 for members covered by Social Security and $175,250 for those not covered. The cap is adjusted annually based on CPI. Compensation above the cap does not increase your pension benefit.
What is service credit?▾
Service credit is the years (and partial years) you have worked under a CalPERS or CalSTRS covered position. One year of full-time employment equals one year of service credit. Part-time employees earn proportional service credit.
Why is this page set up around a specific age, years, or salary?▾
Scenario pages on this site are designed to help you compare formulas at a fixed planning input — a specific retirement age, a specific number of service years, or a specific final salary band — so you can see the spread between formulas with the variable you care about held constant. The embedded calculator is pre-set to that scenario; change any input to model your own situation.
When can I retire from CalPERS?▾
You can retire when you reach the minimum retirement age for your formula and have at least 5 years of service credit. However, retiring at the minimum age typically gives you a much lower benefit factor. The benefit factor increases as you approach and reach your formula's reference age.
Does CalPERS affect my Social Security benefits?▾
Some CalPERS formulas are Social Security covered, meaning you pay into both CalPERS and Social Security. Others are not covered, meaning you do not pay Social Security taxes and may be subject to the Windfall Elimination Provision (WEP) if you have Social Security credits from other employment.

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Disclaimer:Confirm your specific formula via your employer's benefits office or myCalPERS. Some employers participate in 2% at 55 with cost-sharing or other contract modifications.