Administrative Factors

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DRS uses administrative factors to calculate benefit adjustments. There are several types of benefit adjustments, but the most common are early retirement, survivor and purchasing service credit.

For additional information on how administrative factors are used in benefit calculations, see the Washington Administrative Code. Early retirement administrative factors are the most frequently used on this page.

Early retirement factors

PERS Plans 2 and 3
  • Plan 2: Need at least 20 years of service credit to qualify
  • Plan 3: Need at least 10 years of service credit to qualify
Retirement ageFactor
550.4092
560.4450
570.4844
580.5280
590.5760
600.6292
610.6882
620.7538
630.8269
640.9085
The ERFs are subject to change based on State Actuary figures. The administrative factors used in this table are for illustrative purposes only.

Early retirement factors for 30 or more years of service

*For those hired on or after May 1, 2013

More resources

SERS Plans 2 and 3
  • Plan 2: Need at least 20 years of service credit to qualify
  • Plan 3: Need at least 10 years of service credit to qualify
Retirement ageFactor
550.4092
560.4450
570.4844
580.5280
590.5760
600.6292
610.6882
620.7538
630.8269
640.9085
The ERFs are subject to change based on State Actuary figures. The administrative factors used in this table are for illustrative purposes only.

Early retirement factors for 30 or more years of service

*For those hired on or after May 1, 2013

More resources

TRS Plans 2 and 3
  • Plan 2: Need at least 20 years of service credit to qualify
  • Plan 3: Need at least 10 years of service credit to qualify
Retirement ageFactor
550.4092
560.4450
570.4844
580.5280
590.5760
600.6292
610.6882
620.7538
630.8269
640.9085
The ERFs are subject to change based on State Actuary figures. The administrative factors used in this table are for illustrative purposes only.

Early retirement factors for 30 or more years of service

*For those hired on or after May 1, 2013

More resources

PSERS

Any retirement before age 60 is an early retirement. If you retire early, your benefit will be reduced to reflect that you will be receiving it over a longer period of time. Your benefit depends on how much service credit you have earned and your age.

  • You need at least 20 years of service credit to qualify for early retirement.

Reduced benefit

Age       3% Reduction Factor
5379%
5482%
5585%
5688%
5791%
5894%
5997%
60100%

More resources

LEOFF Plan 2

Any retirement before age 53 is an early retirement. If you have at least 20 years of service credit and you are at least age 50, you can choose to retire early. If you retire early, your benefit will be reduced to reflect that you will be receiving it over a longer period of time.

  • You need at least 20 years of service credit to qualify for early retirement.

Reduced benefit

Age% of Option 1 benefit
5091%
5194%
5297%
53100%

More resources

WSPRS Plan 2

If you are an inactive member, you can retire with a full benefit beginning at age 60. You can still retire at age 55, but your benefit will be reduced to reflect that you will be receiving it over a longer period of time.

  • You need 5 years of service credit to qualify for early retirement.
Age       % of full benefit
5561.0%
5667.2%
5774.0%
5881.7%
5990.3%
60+100%

More resources

The Office of the State Actuary (OSA) recommends new administrative factors at least every six years, but there are times when changes may need to happen more frequently. OSA’s recommendations are the results of demographic experience studies and valuation reports. They also take the impacts of recent legislation into consideration.

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