Social Security
Disability Insurance Program
Work Experience

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ACTUARIAL STUDY NO. 122
by Tim Zayatz



 
 
 
 
 
 
 
 
Combined Experience
by Select Age and Duration
(2001-05)
.
 
Table 21A.—Male Disabled Workers
Probability of Death or Recovery
10 or more
Notes:
1. Select age denotes age last birthday at entitlement to disability benefits. Duration measured in years since selection. Attained age calculated as sum of select age and duration. Results do not include auxiliary beneficiaries payable under the DI program.
2. The value at duration t represents the probability of death or recovery from disability during the (t+1) year of entitlement for those originally entitled to benefits at select age [x] who have attained age [x]+t. Values are derived from death probabilities shown in table 7A and recovery probabilities shown in table 14A.
3. Select-and-ultimate table is read across the row for 0-10 years since selection, and down the last (ultimate) column for 10 or more years since selection. See table 7C for death probabilities beyond attained age 75.
 
Table 21B.—Female Disabled Workers
Probability of Death or Recovery
10 or more
Notes:
1. Select age denotes age last birthday at entitlement to disability benefits. Duration measured in years since selection. Attained age calculated as sum of select age and duration. Results do not include auxiliary beneficiaries payable under the DI program.
2. The value at duration t represents the probability of death or recovery from disability during the (t+1) year of entitlement for those originally entitled to benefits at select age [x] who have attained age [x]+t. Values are derived from death probabilities shown in table 7B and recovery probabilities shown in table 14B.
3. Select-and-ultimate table is read across the row for 0-10 years since selection, and down the last (ultimate) column for 10 or more years since selection. See table 7C for death probabilities beyond attained age 75.
 
Table 22A.—Male Disabled Workers
Survival Table
10 or more
Notes:
1. Select age denotes age last birthday at entitlement to disability benefits. Duration measured in years since selection. Attained age calculated as sum of select age and duration. Results do not include auxiliary beneficiaries payable under the DI program.
2. The value at duration 0 represents the assumed number of lives originally entitled to disability benefits at select age [x]; the value at duration
t > 0 represents the number of lives remaining from the original who have attained age [x]+t. Lives are decremented using probabilities from table 21A.
3. Select-and-ultimate table is read across the row for 0-10 years since selection, and down the last (ultimate) column for 10 or more years since selection. See table 22C for attained ages beyond age 75.
 
Table 22B.—Female Disabled Workers
Survival Table
10 or more
Notes:
1. Select age denotes age last birthday at entitlement to disability benefits. Duration measured in years since selection. Attained age calculated as sum of select age and duration. Results do not include auxiliary beneficiaries payable under the DI program.
2. The value at duration 0 represents the assumed number of lives originally entitled to disability benefits at select age [x]; the value at duration
t > 0 represents the number of lives remaining from the original who have attained age [x]+t. Lives are decremented using probabilities from table 21B.
3. Select-and-ultimate table is read across the row for 0-10 years since selection, and down the last (ultimate) column for 10 or more years since selection. See table 22C for attained ages beyond age 75.
 
Table 22C.—Disabled Workers Age 76 and Older
Survival Table
Notes:
1. The value at attained age x represents the number of lives remaining from those originally entitled to disability benefits who have attained that particular age.
2. Lives are decremented using probabilities from table 7C. Values are an extension of the ultimate column of tables 22A and 22B.
 
Table 23A.—Male Disabled Workers
Expected Time on the OASDI Rolls
10 or more
Notes:
1. Select age denotes age last birthday at entitlement to disability benefits. Duration measured in years since selection. Attained age calculated as sum of select age and duration. Results do not include auxiliary beneficiaries payable under the DI program.
2. The value at duration t represents the expected number of future years of combined DI and OASI entitlement for those originally entitled to disability benefits at select age [x] who have not died or recovered as of attained age [x]+t. Values are based on survivorship experience from tables 22A and 22C, and reflect automatic conversion to old-age benefits upon attaining normal retirement age.
3. Select-and-ultimate table is read across the row for 0-10 years since selection, and down the last (ultimate) column for 10 or more years since selection. See table 9C for expected future lifetimes beyond attained age 75.
 
Table 23B.—Female Disabled Workers
Expected Time on the OASDI Rolls
10 or more
Notes:
1. Select age denotes age last birthday at entitlement to disability benefits. Duration measured in years since selection. Attained age calculated as sum of select age and duration. Results do not include auxiliary beneficiaries payable under the DI program.
2. The value at duration t represents the expected number of future years of combined DI and OASI entitlement for those originally entitled to disability benefits at select age [x] who have not died or recovered as of attained age [x]+t. Values are based on survivorship experience from tables 22B and 22C, and reflect automatic conversion to old-age benefits upon attaining normal retirement age.
3. Select-and-ultimate table is read across the row for 0-10 years since selection, and down the last (ultimate) column for 10 or more years since selection. See table 9C for expected future lifetimes beyond attained age 75.
 
Table 24A.—Male Disabled Workers
Expected Time on the DI Rolls
10 or more
Notes:
1. Select age denotes age last birthday at entitlement to disability benefits. Duration measured in years since selection. Attained age calculated as sum of select age and duration. Results do not include auxiliary beneficiaries payable under the DI program.
2. The value at duration t represents the expected number of future years of DI entitlement for those originally entitled to benefits at select age [x] who have not died or recovered as of attained age [x]+t. Values are based on survivorship experience from table 22A. Entitlement is not considered after conversion to old-age benefits.
3. Select-and-ultimate table is read across the row for 0-10 years since selection, and down the last (ultimate) column for 10 or more years since selection.
 
Table 24B.—Female Disabled Workers
Expected Time on the DI Rolls
10 or more
Notes:
1. Select age denotes age last birthday at entitlement to disability benefits. Duration measured in years since selection. Attained age calculated as sum of select age and duration. Results do not include auxiliary beneficiaries payable under the DI program.
2. The value at duration t represents the expected number of future years of DI entitlement for those originally entitled to benefits at select age [x] who have not died or recovered as of attained age [x]+t. Values are based on survivorship experience from table 22B. Entitlement is not considered after conversion to old-age benefits.
3. Select-and-ultimate table is read across the row for 0-10 years since selection, and down the last (ultimate) column for 10 or more years since selection.
 
Table 25.—Disabled Workers
Aggregate Probability of Death or Recovery and Expected Time on the Rolls,
by Select Age
Probability of
death or recovery
Time on
OASDI rolls
Time on
DI rolls
Probability of
death or recovery
Time on
OASDI rolls
Time on
DI rolls
Notes:
1. Select age denotes age last birthday at entitlement to disability benefits.
2. Probability of death or recovery at select age [x] represents the average probability of total decrement within one year for those originally entitled to disability benefits at that particular age. Values are derived from the average death probabilities shown in table 11 and the average recovery probabilities shown in table 18.
3. Time on OASDI rolls at select age [x] represents the average number of future years of combined DI and OASI entitlement for those originally entitled to disability benefits at that particular age. Values are exposure-weighted averages of expected time on the combined rolls across all durations from tables 23A, 23B and 9C, and reflect automatic conversion to old-age benefits upon attaining normal retirement age.
4. Time on DI rolls at select age [x] represents the average number of future years of DI entitlement for those originally entitled to benefits at that particular age. Values are exposure-weighted averages of expected time on the DI rolls across all durations from tables 24A and 24B. Entitlement is not considered after conversion to old-age benefits.
 
Table 26.—Disabled Workers
Aggregate Probability of Death or Recovery and Expected Time on the Rolls,
by Attained Age
Probability of
death or recovery
Time on
OASDI rolls
Time on
DI rolls
Probability of
death or recovery
Time on
OASDI rolls
Time on
DI rolls
 
 
Notes:
1. Attained age calculated as sum of select age and duration.
2. Probability of death or recovery at attained age x represents the average probability of total decrement within one year for those originally entitled to disability benefits who have attained that particular age. Values are derived from the average death probabilities shown in table 12 and the average recovery probabilities shown in table 19. See table 7C for death probabilities beyond attained age 75.
3. Time on OASDI rolls at attained age x represents the average number of future years of combined DI and OASI entitlement for those originally entitled to disability benefits who have attained that particular age. Values are exposure-weighted averages of expected time on the combined rolls across all durations from tables 23A and 23B, and reflect automatic conversion to old-age benefits upon attaining normal retirement age. See table 9C for expected future lifetimes beyond attained age 75.
4. Time on DI rolls at attained age x represents the average number of future years of DI entitlement for those originally entitled to benefits who have attained that particular age. Values are exposure-weighted averages of expected time on the DI rolls across all durations from tables 24A and 24B. Entitlement is not considered after conversion to old-age benefits.
 
Table 27.—Disabled Workers
Aggregate Probability of Death or Recovery and Expected Time on the Rolls,
by Duration
Probability of
death or recovery
Time on
OASDI rolls
Time on
DI rolls
Probability of
death or recovery
Time on
OASDI rolls
Time on
DI rolls
Notes:
1. Duration measured in years since selection.
2. Probability of death or recovery at duration t represents the average probability of total decrement during the (t+1) year of entitlement to benefits. Values are derived from the average death probabilities shown in table 13 and the average recovery probabilities shown in table 20.
3. Time on OASDI rolls at duration t represents the average number of future years of combined DI and OASI entitlement for those originally entitled to disability benefits who have not died or recovered after t years. Values are exposure-weighted averages of expected time on the combined rolls across all ages from tables 23A, 23B and 9C, and reflect automatic conversion to old-age benefits upon attaining normal retirement age.
4. Time on DI rolls at duration t represents the average number of future years of DI entitlement for those originally entitled to benefits who have not died or recovered after t years. Values are exposure-weighted averages of expected time on the DI rolls across all ages from tables 24A and 24B. Entitlement is not considered after conversion to old-age benefits.
 
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