TRS 2011 Comprehensive Annual Financial Report

TEACHER RETIREMENT SYSTEM OF TEXAS COMPREHENSIVE ANNUAL FINANCIAL REPORT 2011
Actuarial Information Pension Trust Fund
b) Probability of Decrement Due to Withdrawal: The following tables are used for the first 10 years of employment.
Probability of Decrement Due to Withdrawal
Male Members
Years of Service
Age 0 1 2 3 4 5 6 7 8 9
20 0.2606 0.2266 0.1716 0.1335 0.1050 0.0000 0.0000 0.0000 0.0000 0.0000
30 0.2173 0.1890 0.1560 0.1233 0.0952 0.0789 0.0652 0.0648 0.0628 0.0536
40 0.2172 0.1888 0.1430 0.1253 0.0873 0.0833 0.0690 0.0608 0.0542 0.0464
50 0.1937 0.1684 0.1245 0.0993 0.0754 0.0684 0.0644 0.0544 0.0512 0.0466
60 0.2021 0.1757 0.1324 0.1160 0.0751 0.0664 0.0518 0.0495 0.0426 0.0341
70 0.2371 0.2062 0.1724 0.1174 0.1017 0.0000 0.0000 0.0000 0.0000 0.0000
Female Members
Years of Service
Age 0 1 2 3 4 5 6 7 8 9
20 0.1938 0.1685 0.1438 0.1263 0.1075 0.0000 0.0000 0.0000 0.0000 0.0000
30 0.1948 0.1694 0.1435 0.1218 0.1007 0.0935 0.0825 0.0724 0.0564 0.0570
40 0.1807 0.1571 0.1235 0.1052 0.0826 0.0743 0.0641 0.0578 0.0560 0.0459
50 0.1755 0.1526 0.1199 0.0971 0.0792 0.0708 0.0638 0.0549 0.0472 0.0402
60 0.1959 0.1703 0.1356 0.1082 0.0846 0.0660 0.0671 0.0509 0.0463 0.0438
70 0.2483 0.2159 0.1929 0.1994 0.1254 0.0000 0.0000 0.0000 0.0000 0.0000
c) Probability of Decrement Due to Retirement (Rates of Retirement - for members hired after August 21, 2007)
Probability of Decrement Due to Retirement
Male Members
Years of Service
Age 5-9 10-14 15-18 19 20-24 25-29 30+
50 0.000 0.000 0.000 0.000 0.000 0.000 0.010
55 0.010 0.010 0.010 0.010 0.010 0.010 0.010
60 0.020 0.020 0.020 0.020 0.240 0.240 0.240
65 0.250 0.250 0.250 0.250 0.250 0.250 0.250
70 0.200 0.200 0.200 0.200 0.200 0.200 0.200
74 1.000 1.000 1.000 1.000 1.000 1.000 1.000
Female Members
Years of Service
Age 5-9 10-14 15-18 19 20-24 25-29 30+
50 0.000 0.000 0.000 0.000 0.000 0.000 0.010
55 0.010 0.010 0.010 0.010 0.010 0.010 0.010
60 0.030 0.030 0.030 0.030 0.250 0.250 0.250
65 0.250 0.250 0.250 0.250 0.250 0.250 0.250
70 0.250 0.250 0.250 0.250 0.250 0.250 0.250
74 1.000 1.000 1.000 1.000 1.000 1.000 1.000
For members hired after August 31, 2007, the retirement rates for members once they reach
unreduced retirement eligibility at age 60 are increased 10% for each year the member is
beyond the rule of 80 (i.e. if the member reached the Rule of 80 at age 58 then the probability
of retirement at age 60 is 120% of the rate shown above).
114 ACTUARIAL SECTION