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CalPERS Final Compensation Explained

The average of your highest pensionable salary

Not Your Final Paycheck — An Average

"Final compensation" in the CalPERS formula does not mean your last paycheck. It means an averageof your highest pensionable salary over a continuous period. For Classic members, the period is 12 months. For PEPRA members, it's 36 months. The highest qualifying period can be anywhere in your CalPERS-covered career — beginning, middle, or end.

Classic — Highest 12 Months

Classic CalPERS members (hired before 1/1/2013 or with prior CalPERS service) use the average of their highest 12 consecutive months of pensionable compensation. This 12-month window is usually the final 12 months of employment for most members because salaries typically trend upward over a career — but the rule is "highest," not "last."

PEPRA — Highest 36 Months

PEPRA members (hired on or after 1/1/2013 without prior CalPERS membership) use the average of their highest 36 consecutive months of pensionable compensation. The 36-month period is one of three significant differences that make PEPRA pensions smaller than Classic pensions at the same age and service: the older months in the average pull down the figure compared to a single 12-month spike.

Worked Example — Why 12 vs 36 Matters

Suppose you earned $7,500/month two years before retirement, $8,000/month one year before retirement, and $8,500/month in your final year. A Classic member would use the $8,500/month (highest 12). A PEPRA member would use ($7,500 + $8,000 + $8,500) / 3 = $8,000/month (highest 36). On 25 years of service and a 2% factor, that's $4,250/month for Classic vs $4,000/month for PEPRA — a $250/month difference, or $3,000/year for the rest of retirement, from this one mechanic alone.

What Counts as Pensionable

Not every dollar your employer pays you counts as pensionable compensation. Generally: base salary, certain longevity pay, and educational pay count. Generally not: bonuses, overtime, employer contributions to health insurance, leave cashouts (PEPRA), severance, and one-time payments. Each employer's CalPERS contract specifies the exact pensionable categories for its members.

PEPRA tightened the definition of pensionable compensation compared to Classic, which is one reason PEPRA pensions are smaller. PEPRA also caps the total pensionable compensation that can count toward the formula (adjusted annually).

Why the Distinction Exists

The 12-month rule made it relatively easy to boost final compensation through end-of-career promotions, leave cashouts, or strategic overtime — practices sometimes called "spiking." PEPRA's 36-month rule, narrower definition of pensionable compensation, and compensation cap together aim to eliminate spiking. The trade-off is that PEPRA members' pensions are meaningfully smaller than Classic members' at the same age and service.

Final Compensation — Frequently Asked Questions

Is my information stored or shared?▾
No. All calculations happen entirely in your browser. No personal information — including your salary, age, or pension estimate — is sent to any server, stored, or shared. This calculator is completely private and requires no login.
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.
What is a replacement rate?▾
The replacement rate is the percentage of your final compensation that your pension replaces. For example, a 2% benefit factor with 30 years of service gives you a 60% replacement rate, meaning your pension would be 60% of your final compensation.
Should I retire at 55 or 57?▾
It depends on your formula. For 2% at 55 (a classic formula), the benefit factor is already at 2% by age 55 and continues to rise slowly through age 63. For 2% at 57 (a PEPRA safety formula), the benefit factor is still climbing at 55 and reaches 2% at 57. Waiting from 55 to 57 also adds two more years of service credit. Use the side-by-side calculator on /calpers/should-i-retire-at-55-or-57 to see the exact spread for your salary and service.
Does the day I retire affect my first COLA?▾
Yes. CalPERS pays the annual COLA each May based on retirees with at least one full year of retirement. Retiring before April 1 generally qualifies you for the next May's COLA payment; retiring after April 1 means waiting an extra year. This single timing choice can shift your first COLA by 12 months.
What are Local Miscellaneous and Local Safety formulas?▾
Local Miscellaneous formulas apply to non-safety employees of cities, counties, and special districts that contract with CalPERS. Local Safety formulas apply to law enforcement, firefighters, and other safety employees of local agencies. Safety formulas typically have higher benefit factors and earlier retirement ages.

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Disclaimer:Definitions of pensionable compensation vary by employer contract and have changed over time. Confirm specifics for your formula via myCalPERS or your employer's benefits office.