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Actuarial Experience Studies

Assumptions about future events are a necessary component of the actuarial valuations. Key among them are:

•  Members' future rates of retirement and disability.

•  Their total length of service.

•  The rate at which their salaries will increase. 

OSA performs experience studies at least once every six years to determine at what rate the above factors have actually occurred in the retirement systems.  We compare actual rates to the assumptions and, if necessary, we make adjustments to the rates for future valuations.

 

Click on the titles below to open the PDF.

  PDF icon 2001-2006 Experience Study

Report may take 5-10 minutes to load, individual sections are below.

Table of Contents

Letter of Introduction [255kb]

Section 1:  Executive Summary [165kb]

Section 2:  Development of Demographic Assumptions [1.1mb]

Section 3: Glossary [682kb]

 

PDF icon 1995 - 2000 Experience Study [309kb]

 

1989 - 1994 Experience Studies

PDF icon. Public Employees' Retirement System (PERS) [64kb]

PDF icon. Teachers' Retirement System (TRS) [66kb]

Law Enforcement Officers' and Fire Fighters' Retirement System (LEOFF) [63kb]

Washington State Patrol Retirement System (WSPRS) [49kb]

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