Actuarial valuations are technical reports providing full disclosure of the financial and funding status of public retirement systems administered by the Department of Retirement Systems.  Valuations for odd-numbered years are also used to set contribution rates for the ensuing biennium.  For those valuations, the Pension Funding Council oversees an actuarial audit of the results by an outside actuary. 

OSA also performs annual valuations of the Volunteer Fire Fighters’ and Reserve Officers’ Relief and Pension Fund Act (RCW 41.24), which is administered by the Board for Volunteer Fire Fighters and Reserve Officers.  Its valuation is published separately.

The California Research Bureau (CRB) provides a plain language primer that summarizes and explains the actuarial methods and practices used by OSA when preparing the annual actuarial valuations. Here is a link to the report PDF.

The 2018 Actuarial Valuation is on the Historical Valuations page.

Please note the impacts of COVID-19 are not reflected in the 2019 Actuarial Valuation. More information can be found on our dedicated webpage, COVID-19 and its Impacts to the Washington State Retirement Systems.

2019 Actuarial Valuation

2019 Actuarial Valuation [August 31, 2020]

2019 Actuarial Audit Report [September 30, 2020]

PDF Icon Letter of Introduction [659 kb]

 Section One:  Summary of Key Results [June 30, 2020]

 Section Two:  Actuarial Exhibits [June 30, 2020]

Certification Letter [June 30, 2020]

Contribution Rates [June 30, 2020]

PDF Icon Actuarial Liabilities [621 kb]

PDF Icon Plan Assets [703 kb]

PDF Icon Funded Status [589 kb]

Actuarial Gains-Losses [June 30, 2020]

 Section Three: PDF IconParticipant Data [787 kb]

 Section Four:  Appendices [June 30, 2020]

PDF Icon Actuarial Methods/Assumptions[1188 kb]

PDF Icon Summary of Plan Provisions [1189 kb]

Age Distributions

Historical Data [June 30, 2020]


Law Enforcement Officers' and Fire Fighters' Retirement System Plan 2

This link provides access to the 2018 LEOFF 2 Actuarial Valuation Report PDF, posted on the LEOFF 2 website. 

Volunteer Fire Fighters' and Reserve Officers' Retirement System

2018 Volunteer Fire Fighters Relief and Pension Fund Valuation [3775 kb] PDF Icon

The 2017 VFF AVR is on the Historical Valuations page.

2018 Volunteer Fire Fighters Relief Experience Study [8965 kb] PDF Icon

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Last Reviewed: 05/11/2020

Last Updated: 05/11/2020