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 age | Factor |
|---|---|
| 55 | 0.4092 |
| 56 | 0.4450 |
| 57 | 0.4844 |
| 58 | 0.5280 |
| 59 | 0.5760 |
| 60 | 0.6292 |
| 61 | 0.6882 |
| 62 | 0.7538 |
| 63 | 0.8269 |
| 64 | 0.9085 |
Early retirement factors for 30 or more years of service
| Retirement Age | 2008 ERF | 5% ERF* |
|---|---|---|
| 55 | 0.80 | 0.50 |
| 56 | 0.83 | 0.55 |
| 57 | 0.86 | 0.60 |
| 58 | 0.89 | 0.65 |
| 59 | 0.92 | 0.70 |
| 60 | 0.95 | 0.75 |
| 61 | 0.98 | 0.80 |
| 62 | 1.00 | 0.85 |
| 63 | 1.00 | 0.90 |
| 64 | 1.00 | 0.95 |
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 age | Factor |
|---|---|
| 55 | 0.4092 |
| 56 | 0.4450 |
| 57 | 0.4844 |
| 58 | 0.5280 |
| 59 | 0.5760 |
| 60 | 0.6292 |
| 61 | 0.6882 |
| 62 | 0.7538 |
| 63 | 0.8269 |
| 64 | 0.9085 |
Early retirement factors for 30 or more years of service
| Retirement Age | 2008 ERF | 5% ERF* |
|---|---|---|
| 55 | 0.80 | 0.50 |
| 56 | 0.83 | 0.55 |
| 57 | 0.86 | 0.60 |
| 58 | 0.89 | 0.65 |
| 59 | 0.92 | 0.70 |
| 60 | 0.95 | 0.75 |
| 61 | 0.98 | 0.80 |
| 62 | 1.00 | 0.85 |
| 63 | 1.00 | 0.90 |
| 64 | 1.00 | 0.95 |
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 age | Factor |
|---|---|
| 55 | 0.4092 |
| 56 | 0.4450 |
| 57 | 0.4844 |
| 58 | 0.5280 |
| 59 | 0.5760 |
| 60 | 0.6292 |
| 61 | 0.6882 |
| 62 | 0.7538 |
| 63 | 0.8269 |
| 64 | 0.9085 |
Early retirement factors for 30 or more years of service
| Retirement Age | 2008 ERF | 5% ERF* |
|---|---|---|
| 55 | 0.80 | 0.50 |
| 56 | 0.83 | 0.55 |
| 57 | 0.86 | 0.60 |
| 58 | 0.89 | 0.65 |
| 59 | 0.92 | 0.70 |
| 60 | 0.95 | 0.75 |
| 61 | 0.98 | 0.80 |
| 62 | 1.00 | 0.85 |
| 63 | 1.00 | 0.90 |
| 64 | 1.00 | 0.95 |
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.
| Age | 3% Reduction Factor |
|---|---|
| 53 | 79% |
| 54 | 82% |
| 55 | 85% |
| 56 | 88% |
| 57 | 91% |
| 58 | 94% |
| 59 | 97% |
| 60 | 100% |
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.
| Age | % of Option 1 benefit |
|---|---|
| 50 | 91% |
| 51 | 94% |
| 52 | 97% |
| 53 | 100% |
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 |
|---|---|
| 55 | 61.0% |
| 56 | 67.2% |
| 57 | 74.0% |
| 58 | 81.7% |
| 59 | 90.3% |
| 60+ | 100% |
More resources
- Complete factor table for WSPRS Plan 2 WSPRS 2 Inactive
- Complete factor table for WSPRS Plan 2 WSPRS 2 Active
- WSPRS 2 early retirement information
- PERS Plan 1
More administrative factors
Survivor benefit options
Establishing or restoring service credit
- PERS Plan 1
- PERS Plans 2 and 3
- SERS Plans 2 and 3
- TRS Plan 1
- TRS Plans 2 and 3
- LEOFF Plan 1
- LEOFF Plan 2
- PSERS
- WSPRS Plan 1
- WSPRS Plan 2
Purchasing service credit
- LEOFF Plan 1
- LEOFF Plan 2
- PERS Plan 1
- PERS Plans 2 and 3
- PSERS Plan 2
- SERS Plans 2 and 3
- TRS Plan 1
- TRS Plans 2 and 3
- WSPRS Plans 1 and 2
Plan 3 TAP Annuity
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.
