| Short-Range Actuarial Projections of the Old-Age, Survivors, and Disability Insurance Program, 2001 Actuarial Study No. 115 Chris Motsiopoulos and Tim Zayatz, A.S.A. |  |  | 
  
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   III.  BENEFIT PAYMENTS
   A.  NUMBER OF DISABILITY INSURANCE (DI) BENEFICIARIES
   Table III.A25—DI Total Disabled Workers With Benefits In Force, Awarded, Terminated, Withheld, 
and In Current-Payment Status
(Calendar years 1975-2000, and calendar quarters 2001-10)
[Numbers in thousands]
    | Calendar period
 | In force beginning
 of period
 | Awardsduring
 period
 | Gross terminations | In forceend of
 period
 | Benefits withheld end of period | In current-payment status
 end of period
 | 
    | Rate(per 1,000)
 | Number | Per 1,000in force
 end of period
 | Number | 
  
    |  | 2,251.3 | 592.0 | 133.38 | 339.8 | 2,503.6 | 6.36 | 15.9 | 2,487.6 | 
  
    |  | 2,503.6 | 551.5 | 132.63 | 368.6 | 2,686.4 | 6.33 | 17.0 | 2,669.4 | 
  
    |  | 2,686.4 | 568.9 | 136.30 | 404.9 | 2,850.4 | 4.96 | 14.1 | 2,836.2 | 
  
    |  | 2,850.4 | 490.8 | 143.22 | 443.4 | 2,897.8 | 6.78 | 19.6 | 2,878.2 | 
  
    |  | 2,897.8 | 440.5 | 146.15 | 455.7 | 2,882.6 | 4.90 | 14.1 | 2,868.5 | 
  
    |  | 2,882.6 | 420.3 | 140.53 | 434.6 | 2,868.3 | 4.15 | 11.9 | 2,856.4 | 
  
    |  | 2,868.3 | 381.0 | 150.44 | 460.1 | 2,789.1 | 6.25 | 17.4 | 2,771.7 | 
  
    |  | 2,789.1 | 336.1 | 169.79 | 502.1 | 2,623.1 | 9.07 | 23.8 | 2,599.3 | 
  
    |  | 2,623.1 | 428.5 | 163.14 | 462.9 | 2,588.7 | 9.50 | 24.6 | 2,564.1 | 
  
    |  | 2,588.7 | 410.0 | 136.58 | 381.6 | 2,617.1 | 9.51 | 24.9 | 2,592.2 | 
  
    |  | 2,617.1 | 416.1 | 124.91 | 352.9 | 2,680.3 | 10.13 | 27.2 | 2,653.1 | 
  
    |  | 2,680.3 | 424.9 | 121.47 | 351.4 | 2,753.8 | 10.60 | 29.2 | 2,724.6 | 
  
    |  | 2,753.8 | 420.3 | 121.77 | 360.9 | 2,813.2 | 11.19 | 31.5 | 2,781.7 | 
  
    |  | 2,813.2 | 415.3 | 120.87 | 365.1 | 2,863.4 | 13.04 | 37.3 | 2,826.1 | 
  
    |  | 2,863.4 | 430.7 | 116.16 | 357.6 | 2,936.4 | 15.62 | 45.9 | 2,890.6 | 
  
    |  | 2,936.4 | 472.1 | 111.61 | 354.1 | 3,054.5 | 15.64 | 47.8 | 3,006.7 | 
  
    |  | 3,054.5 | 540.8 | 106.91 | 355.5 | 3,239.8 | 15.19 | 49.2 | 3,190.6 | 
  
    |  | 3,239.8 | 642.1 | 103.29 | 367.8 | 3,514.1 | 14.33 | 50.4 | 3,463.7 | 
  
    |  | 3,514.1 | 637.4 | 98.25 | 376.6 | 3,774.9 | 14.26 | 53.8 | 3,721.1 | 
  
    |  | 3,774.9 | 631.9 | 94.74 | 387.6 | 4,019.2 | 15.19 | 61.0 | 3,958.2 | 
  
    |  | 4,019.2 | 645.6 | 94.74 | 411.4 | 4,253.5 | 17.45 | 74.2 | 4,179.3 | 
  
    |  | 4,253.5 | 624.3 | 89.91 | 410.5 | 4,467.3 | 19.91 | 88.9 | 4,378.3 | 
  
    |  | 4,467.3 | 587.7 | 97.39 | 463.7 | 4,591.3 | 19.73 | 90.6 | 4,500.7 | 
  
    |  | 4,591.3 | 608.4 | 83.76 | 410.0 | 4,789.6 | 20.61 | 98.7 | 4,690.9 | 
  
    |  | 4,789.6 | 620.6 | 85.58 | 436.4 | 4,973.8 | 20.82 | 103.6 | 4,870.2 | 
  
    |  | 4,973.8 | 621.3 | 86.81 | 458.7 | 5,136.4 | 19.61 | 100.7 | 5,035.6 | 
  
    |  | 5,136.4 | 161.7 | 21.93 | 114.4 | 5,183.7 | 19.81 | 102.7 | 5,081.0 | 
  
    |  | 5,183.7 | 161.7 | 21.30 | 112.2 | 5,233.2 | 20.01 | 104.7 | 5,128.5 | 
  
    |  | 5,233.2 | 161.7 | 21.10 | 112.2 | 5,282.8 | 20.21 | 106.7 | 5,176.0 | 
  
    |  | 5,282.8 | 151.5 | 20.51 | 109.9 | 5,324.4 | 20.41 | 108.7 | 5,215.7 | 
  
    |  | 5,324.4 | 168.4 | 21.78 | 117.8 | 5,375.0 | 20.31 | 109.2 | 5,265.8 | 
  
    |  | 5,375.0 | 168.4 | 21.16 | 115.5 | 5,427.9 | 20.22 | 109.8 | 5,318.1 | 
  
    |  | 5,427.9 | 168.4 | 20.95 | 115.5 | 5,480.8 | 20.13 | 110.3 | 5,370.4 | 
  
    |  | 5,480.8 | 157.8 | 20.36 | 113.2 | 5,525.4 | 20.04 | 110.7 | 5,414.6 | 
  
    |  | 5,525.4 | 174.0 | 20.12 | 112.9 | 5,586.5 | 19.93 | 111.3 | 5,475.1 | 
  
    |  | 5,586.5 | 174.0 | 19.52 | 110.7 | 5,649.8 | 19.82 | 112.0 | 5,537.8 | 
  
    |  | 5,649.8 | 174.0 | 19.30 | 110.7 | 5,713.1 | 19.71 | 112.6 | 5,600.5 | 
  
    |  | 5,713.1 | 163.1 | 18.73 | 108.5 | 5,767.7 | 19.61 | 113.1 | 5,654.6 | 
  
    |  | 5,767.7 | 179.7 | 20.08 | 117.6 | 5,829.8 | 19.50 | 113.6 | 5,716.1 | 
  
    |  | 5,829.8 | 179.7 | 19.48 | 115.3 | 5,894.1 | 19.39 | 114.3 | 5,779.9 | 
  
    |  | 5,894.1 | 179.7 | 19.27 | 115.3 | 5,958.5 | 19.27 | 114.9 | 5,843.7 | 
  
    |  | 5,958.5 | 168.4 | 18.70 | 113.0 | 6,013.9 | 19.17 | 115.3 | 5,898.6 | 
  
    |  | 6,013.9 | 186.1 | 20.10 | 122.8 | 6,077.2 | 19.06 | 115.8 | 5,961.4 | 
  
    |  | 6,077.2 | 186.1 | 19.51 | 120.4 | 6,143.0 | 18.95 | 116.4 | 6,026.5 | 
  
    |  | 6,143.0 | 186.1 | 19.30 | 120.4 | 6,208.7 | 18.85 | 117.0 | 6,091.7 | 
  
    |  | 6,208.7 | 174.4 | 18.74 | 118.0 | 6,265.1 | 18.74 | 117.4 | 6,147.7 | 
  
    |  | 6,265.1 | 192.6 | 20.23 | 128.7 | 6,329.0 | 18.64 | 118.0 | 6,211.1 | 
  
    |  | 6,329.0 | 192.6 | 19.63 | 126.1 | 6,395.5 | 18.54 | 118.6 | 6,276.9 | 
  
    |  | 6,395.5 | 192.6 | 19.43 | 126.1 | 6,461.9 | 18.44 | 119.1 | 6,342.7 | 
  
    |  | 6,461.9 | 180.4 | 18.87 | 123.6 | 6,518.7 | 18.34 | 119.5 | 6,399.2 | 
  
    |  | 6,518.7 | 198.2 | 20.41 | 135.1 | 6,581.8 | 18.25 | 120.1 | 6,461.7 | 
  
    |  | 6,581.8 | 198.2 | 19.82 | 132.4 | 6,647.5 | 18.16 | 120.7 | 6,526.8 | 
  
    |  | 6,647.5 | 198.2 | 19.63 | 132.4 | 6,713.2 | 18.07 | 121.3 | 6,591.9 | 
  
    |  | 6,713.2 | 185.7 | 19.07 | 129.8 | 6,769.1 | 17.98 | 121.7 | 6,647.4 | 
  
    |  | 6,769.1 | 204.1 | 20.84 | 143.2 | 6,830.1 | 17.90 | 122.3 | 6,707.8 | 
  
    |  | 6,830.1 | 204.1 | 20.25 | 140.4 | 6,893.9 | 17.82 | 122.8 | 6,771.0 | 
  
    |  | 6,893.9 | 204.1 | 20.06 | 140.4 | 6,957.7 | 17.74 | 123.4 | 6,834.3 | 
  
    |  | 6,957.7 | 191.3 | 19.50 | 137.5 | 7,011.4 | 17.66 | 123.8 | 6,887.6 | 
  
    |  | 7,011.4 | 210.0 | 23.00 | 163.7 | 7,057.7 | 17.60 | 124.2 | 6,933.5 | 
  
    |  | 7,057.7 | 210.0 | 22.41 | 160.5 | 7,107.3 | 17.55 | 124.7 | 6,982.6 | 
  
    |  | 7,107.3 | 210.0 | 22.25 | 160.5 | 7,156.8 | 17.50 | 125.2 | 7,031.6 | 
  
    |  | 7,156.8 | 196.8 | 21.68 | 157.3 | 7,196.3 | 17.44 | 125.5 | 7,070.8 | 
  
    |  | 7,196.3 | 216.5 | 22.51 | 164.5 | 7,248.4 | 17.38 | 126.0 | 7,122.4 | 
  
    |  | 7,248.4 | 216.5 | 21.92 | 161.2 | 7,303.7 | 17.32 | 126.5 | 7,177.2 | 
  
    |  | 7,303.7 | 216.5 | 21.75 | 161.2 | 7,359.0 | 17.27 | 127.1 | 7,232.0 | 
  
    |  | 7,359.0 | 202.9 | 21.18 | 158.0 | 7,403.9 | 17.21 | 127.4 | 7,276.5 | 
   Sources:
   ·	 Historical number in force from 1-A Table In Force Supplement; future number in force computed by adding awards to number in force at beginning of period, and subtracting number of terminations.
   ·	 Historical awards based on SSA administrative records; future quarterly awards interpolated from annual awards (shown earlier).
   ·	 Historical termination rates computed as ratio of (a) terminations, to (b) exposure of in force population during the period; future termination rates projected based on historical trend and judgment.
   ·	 Historical number of terminations computed as beginning-of-period in force plus awards minus end-of-period in force; future number of terminations computed by applying termination rate to exposure of in force population during the period.
   ·	 Historical percentage of benefits withheld computed by dividing number withheld by end-of-period in force; future withheld percentages projected based on historical trend and judgment.
   ·	 Historical number of benefits withheld computed as end-of-period in force minus number in current-payment status; future number of benefits withheld computed by applying withheld percentage to end-of-period in force.
   ·	 Historical number of benefits in current-payment status from 1-A Table Current-Payment Supplement; future number of benefits in current-payment status computed as end-of-period in force minus number withheld.
   Note: Future estimates based on 2001 Trustees Report intermediate set of assumptions.
List of Studies
December 26, 2001