16 CSR 20-4.010
Actuarial Assumptions
PURPOSE: This rule complies with the provisions of section 70.605.14., RSMo 1986,
regarding the adoption of mortality and other
tables of experience relative to employees.
(1) Beginning with the Retirement System’s
July 2021-June 2022 fiscal year, the investment return rate used in making the valuations is seven percent (7.00%) per year, compounded annually. This rate of return is not
the assumed real rate of return. The real rate
of return is the rate of investment return in
excess of the wage inflation rate. Considering
other financial assumptions, the seven percent (7.00%) investment return rate translates
to an assumed real rate of return of four and
twenty-five hundredths percent (4.25%).
(2) Beginning with the Retirement System’s
July 2021-June 2022 fiscal year, the mortality table used in evaluating allowances to be
paid is PubG-2010 Retiree Mortality Tables
(published February 2019 by the Society of
Actuaries Retirement Plans Experience
Committee, 475 N. Martingale Road, Suite
600, Shaumberg, IL 60173, www.soa.org),
increased by fifteen percent (15%). Future
mortality improvements are assumed each
year based on the two- (2-) dimensional sexdistinct mortality improvement scale MP2020 (published October 2020 by the Society
of Actuaries Retirement Plans Experience
Committee, 475 N. Martingale Road, Suite
600, Shaumberg, IL 60173, www.soa.org).
Both Society of Actuaries Retirement Plans
Experience Committee documents referenced
herein do not include any amendments or
additions subsequent to the stated publish
dates.
(3) Beginning with the Retirement System’s
July 2021-June 2022 fiscal year, the probabilities of general members’ retirement with an
age and service allowance are shown in Table
1, included herein and the probabilities of
firefighters, police officers, and public safety
personnel (as defined in section 70.631
RSMo) members’ retirement with an age and
service allowance are shown in Table 2,
included herein.
(4) Beginning with the Retirement System’s
July 2021-June 2022 fiscal year, the probabilities of withdrawal from service together with
individual pay increase assumptions are
shown in Table 3, included herein.
(5) Beginning with the Retirement System’s
July 2021-June 2022 fiscal year, total active
member payroll is assumed to increase two
and seventy-five hundredths percent (2.75%)
per year, which is the portion of the individual pay increase assumptions attributable to
inflation. In effect, this assumes no change in
the number of active members per employer.
(6) An individual entry-age normal cost
method of valuation is used in determining
age and service allowance actuarial liabilities
and normal cost. Adopted 1986.
(7) The actuarial valuation computations are
made by or under the supervision of a Member of the American Academy of Actuaries
(MAAA).
Retirement System (LAGERS)
Table 1
PERCENT OF ELIGIBLE ACTIVE GENERAL MEMBERS RETIRING
WITHIN NEXT YEAR
Table 2
PERCENT OF ELIGIBLE ACTIVE PUBLIC SAFETY MEMBERS
RETIRING WITHIN NEXT YEAR
Table 3
1
Mortality rates for calendar year 2020. Future calendar year mortality rates incorporate mortality
improvement factors from the 2-dimensional sex-distinct mortality improvement scale MP-2020.
2
General and Public Safety disabilities are assumed to be 75% non-duty related and 25% duty related. Police
disabilities are assumed to be 40% non-duty related and 60% duty related. Fire disabilities are assumed to
be 25% non-duty related and 75% duty related.
3
General, Public Safety
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AUTHORITY: section 70.605.14, RSMo
2016.* Original rule filed Dec. 29, 1975,
effective Jan. 8, 1976. Amended: Filed July
1, 1977, effective Oct. 13, 1977. Amended:
Filed Oct. 31, 1979, effective Feb. 11, 1980.
Amended: Filed Sept. 9, 1985, effective Dec.
15, 1985. Rescinded and readopted: Filed
Aug. 3, 1987, effective Nov. 23, 1987.
Amended: Filed Feb. 16, 1999, effective July
30, 1999. Amended: Filed Sept. 26, 2011,
effective March 30, 2012. Amended: Filed
July 29, 2016, effective Feb. 28, 2017.
Amended: Filed July 7, 2021, effective Jan.
30, 2022.
*Original authority 70.605, RSMo 1967, amended 1974,
1992, 2000, 2003, 2013.