2002 OASDI Trustees Report
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2. Estimates as a Percentage of Gross Domestic Product

This section presents long-range projections of the operations of the combined Old-Age and Survivors Insurance and Disability Insurance (OASI and DI) Trust Funds and of the Hospital Insurance (HI) Trust Fund expressed as a percentage of gross domestic product (GDP). While expressing these fund operations as a percentage of taxable payroll is the most useful approach for assessing the financial status of the programs (see table IV.B1 and section IV.B.1), analyzing them as a percentage of GDP provides an additional perspective on these fund operations in relation to the total value of goods and services produced in the United States.

Table VI.E5 shows estimated income excluding interest, total outgo, and the resulting balance of the combined OASI and DI Trust Funds, of the HI Trust Fund, and of the combined OASI, DI, and HI Trust Funds, expressed as percentages of GDP on the basis of each of the three alternative sets of assumptions. The estimated GDP on which these percentages are based is also shown in table VI.E5. For OASDI, income excluding interest consists of payroll-tax contributions, proceeds from taxation of benefits, and various reimbursements from the General Fund of the Treasury. Total outgo consists of benefit payments, administrative expenses, net transfers from the trust funds to the Railroad Retirement program, and payments for vocational rehabilitation services for disabled beneficiaries. For HI, income excluding interest consists of payroll-tax contributions (including contributions from railroad employment) and proceeds from taxation of OASDI benefits. Total outgo consists of outlays (benefits and administrative expenses) for insured beneficiaries. Both the HI income and outgo are on an incurred basis.

The OASDI balance (income excluding interest, less outgo) as a percentage of GDP is projected to be positive on the basis of the low cost assumptions until 2021. After 2020, deficits increase to a peak in about 2034, and decrease thereafter. The OASDI balance is projected to be positive until 2017 on the basis of the intermediate assumptions and until 2013 on the basis of the high cost assumptions, at which time balances become permanently negative, with generally increasing deficits. The projected HI balance as a percentage of GDP, is positive until 2047 on the basis of the low cost alternative. The HI balance is projected to remain positive until about 2017 under the intermediate alternative and 2008 under the high cost alternative, with deficits increasing steadily thereafter. The combined OASDI and HI balance as a percentage of GDP is projected to be positive until 2025 under the low cost assumptions, until 2017 under the intermediate assumptions, and until 2011 under the high cost assumptions. Between 2010 and about 2035, under all three assumptions, both the OASDI and HI balances as percentages of GDP are projected to decline (or deficits increase) substantially because the baby-boom generation reaches retirement age during these years. After balances cease to be positive under the intermediate and high cost assumptions, the annual deficits increase fairly steadily for the OASDI and HI programs, both separately and combined.

By 2080, the combined OASDI and HI balances as percentages of GDP, are projected to range from a deficit of 1.52 percent for the low cost assumptions to a deficit of 13.34 percent for the high cost assumptions. Projected balances differ by a much smaller amount for the tenth year, 2011, ranging from a positive balance of 1.36 percent for the low cost assumptions to a deficit of 0.04 percent for the high cost assumptions.

The summarized long-range (75-year) balance as a percentage of GDP for the combined OASDI and HI programs varies among the three alternatives, by a relatively large amount (from a positive balance of 0.29 percent, based on the low cost assumptions, to a deficit of 4.79 percent, based on the high cost assumptions). The 25-year summarized balance varies by a smaller amount (from a positive balance of 1.32 percent to a deficit of 0.56 percent). Summarized rates are calculated on the present-value basis including the trust fund balances on January 1, 2002 and the cost of reaching a target trust fund level equal to 100 percent of annual expenditures at the end of the period. (See section IV.B.4 for further explanation.)

Table VI.E5.—OASDI and HI Annual and Summarized Income, Outgo, and Balance
as a Percentage of GDP, Calendar Years 2002-80  
Calendar year
Percentage of GDP
  GDP in
dollars
(billions)
OASDI

HI

Combined
  Income 1
  Outgo
  Balance
  Income 1
  Outgo
  Balance
  Income 1
  Outgo
  Balance
Intermediate:
2002
5.22
4.46
0.76

1.58
1.42
0.16

6.80
5.88
0.93
$10,430
2003
5.21
4.32
.89

1.58
1.37
.21

6.79
5.68
1.11
11,039
2004
5.18
4.27
.91

1.57
1.36
.21

6.75
5.64
1.12
11,681
2005
5.16
4.25
.91

1.57
1.36
.21

6.73
5.62
1.11
12,356
2006
5.13
4.25
.88

1.56
1.36
.20

6.69
5.61
1.08
13,068
2007
5.11
4.25
.86

1.56
1.37
.19

6.67
5.62
1.05
13,814
2008
5.10
4.29
.82

1.56
1.38
.18

6.66
5.67
1.00
14,550
2009
5.10
4.34
.75

1.56
1.40
.16

6.66
5.74
.92
15,298
2010
5.09
4.41
.68

1.57
1.42
.15

6.66
5.83
.83
16,070
2011
5.10
4.48
.62

1.58
1.44
.14

6.68
5.92
.75
16,869












2015
5.10
4.90
.20

1.58
1.57
.02

6.68
6.46
.22
20,337
2020
5.10
5.59
-.49

1.60
1.79
-.19

6.70
7.37
-.68
25,539
2025
5.09
6.23
-1.14

1.61
2.06
-.45

6.70
8.29
-1.59
32,000
2030
5.07
6.64
-1.56

1.62
2.38
-.77

6.69
9.02
-2.33
40,167
2035
5.04
6.78
-1.73

1.61
2.70
-1.08

6.66
9.47
-2.82
50,558
2040
5.00
6.72
-1.71

1.60
2.96
-1.36

6.60
9.67
-3.07
63,631
2045
4.96
6.66
-1.70

1.59
3.18
-1.59

6.55
9.83
-3.29
79,850
2050
4.92
6.65
-1.73

1.58
3.36
-1.79

6.49
10.01
-3.52
99,927
2055
4.88
6.70
-1.82

1.57
3.55
-1.99

6.45
10.26
-3.81
124,867
2060
4.84
6.77
-1.92

1.56
3.79
-2.23

6.40
10.56
-4.16
155,943
2065
4.81
6.84
-2.03

1.55
4.08
-2.53

6.36
10.92
-4.56
194,622
2070
4.77
6.92
-2.15

1.54
4.41
-2.87

6.31
11.33
-5.02
242,640
2075
4.73
6.99
-2.26

1.53
4.76
-3.23

6.26
11.75
-5.48
302,252
2080
4.70
7.04
-2.35

1.52
5.12
-3.60

6.22
12.17
-5.95
376,333
Summarized rates: 2
25-year:
2002-26
5.66
5.17
.49

1.68
1.67
.01

7.34
6.84
.50

50-year:
2002-51
5.39
5.77
-.37

1.64
2.16
-.51

7.04
7.92
-.89

75-year
2002-76
5.27
5.99
-.72

1.62
2.58
-.96

6.89
8.56
-1.67

Low Cost:
2002
5.23
4.41
.82

1.58
1.37
.21

6.81
5.78
1.03
10,518
2003
5.22
4.24
.98

1.58
1.30
.28

6.80
5.54
1.26
11,158
2004
5.20
4.16
1.05

1.57
1.27
.30

6.78
5.43
1.35
11,812
2005
5.20
4.12
1.08

1.57
1.25
.32

6.78
5.38
1.40
12,405
2006
5.18
4.10
1.08

1.57
1.23
.33

6.75
5.34
1.41
13,011
2007
5.17
4.10
1.07

1.56
1.21
.35

6.73
5.31
1.42
13,644
2008
5.16
4.10
1.06

1.56
1.20
.36

6.72
5.30
1.42
14,306
2009
5.16
4.12
1.03

1.57
1.20
.37

6.72
5.32
1.41
14,987
2010
5.16
4.16
1.00

1.57
1.19
.38

6.73
5.35
1.38
15,674
2011
5.17
4.20
.97

1.58
1.19
.39

6.75
5.39
1.36
16,375












2015
5.18
4.52
.66

1.59
1.20
.39

6.77
5.72
1.05
19,403
2020
5.19
5.10
.09

1.61
1.25
.35

6.80
6.36
.44
23,814
2025
5.20
5.63
-.43

1.62
1.32
.30

6.82
6.95
-.13
29,164
2030
5.20
5.93
-.73

1.63
1.39
.23

6.83
7.33
-.50
35,841
2035
5.18
5.96
-.78

1.63
1.47
.16

6.81
7.43
-.62
44,287
2040
5.16
5.79
-.64

1.62
1.53
.09

6.77
7.32
-.55
54,858
2045
5.13
5.64
-.51

1.61
1.60
.01

6.74
7.23
-.50
67,926
2050
5.11
5.55
-.44

1.60
1.68
-.08

6.70
7.22
-.52
84,000
2055
5.08
5.52
-.43

1.59
1.78
-.19

6.68
7.30
-.62
103,857
2060
5.06
5.49
-.43

1.59
1.91
-.32

6.65
7.40
-.75
128,498
2065
5.04
5.46
-.42

1.58
2.06
-.48

6.62
7.52
-.90
159,096
2070
5.02
5.44
-.42

1.57
2.24
-.67

6.60
7.68
-1.08
196,904
2075
5.00
5.43
-.43

1.57
2.43
-.86

6.57
7.86
-1.29
243,512
2080
4.98
5.44
-.46

1.56
2.63
-1.06

6.54
8.07
-1.52
300,918
Summarized rates: 2
25-year:












2002-26
5.74
4.81
.93

1.68
1.29
.39

7.42
6.10
1.32

50-year:












2002-51
5.51
5.18
.33

1.66
1.38
.28

7.16
6.56
.60

75-year












2002-76
5.40
5.23
.18

1.64
1.53
.11

7.04
6.76
.29

High Cost:
2002
5.21
4.52
.69

1.58
1.47
.11

6.79
5.99
.80
10,337
2003
5.19
4.37
.82

1.58
1.44
.14

6.77
5.81
.96
11,007
2004
5.14
4.33
.82

1.57
1.45
.12

6.71
5.78
.94
11,785
2005
5.12
4.42
.70

1.56
1.48
.08

6.68
5.90
.78
12,432
2006
5.04
4.50
.54

1.55
1.51
.04

6.60
6.01
.59
13,289
2007
5.02
4.53
.49

1.55
1.53
.02

6.57
6.06
.52
14,369
2008
5.02
4.61
.41

1.55
1.58
-.02

6.57
6.19
.38
15,225
2009
5.03
4.71
.32

1.56
1.63
-.07

6.58
6.34
.24
16,044
2010
5.02
4.80
.22

1.56
1.68
-.12

6.58
6.48
.10
16,926
2011
5.02
4.89
.13

1.57
1.74
-.17

6.59
6.63
-.04
17,868












2015
5.00
5.36
-.35

1.58
2.03
-.46

6.58
7.39
-.81
21,947
2020
4.99
6.12
-1.14

1.59
2.53
-.95

6.57
8.66
-2.08
28,249
2025
4.97
6.87
-1.90

1.59
3.20
-1.61

6.56
10.07
-3.51
36,275
2030
4.94
7.41
-2.47

1.60
4.05
-2.45

6.54
11.46
-4.92
46,575
2035
4.90
7.69
-2.79

1.59
4.91
-3.31

6.49
12.60
-6.11
59,780
2040
4.85
7.79
-2.94

1.58
5.66
-4.08

6.43
13.45
-7.02
76,492
2045
4.79
7.89
-3.10

1.57
6.26
-4.69

6.36
14.15
-7.79
97,287
2050
4.74
8.03
-3.29

1.56
6.69
-5.13

6.30
14.72
-8.42
123,144
2055
4.69
8.24
-3.55

1.55
7.03
-5.49

6.24
15.27
-9.03
155,364
2060
4.64
8.47
-3.83

1.54
7.46
-5.92

6.18
15.93
-9.75
195,584
2065
4.60
8.73
-4.13

1.53
7.99
-6.46

6.13
16.72
-10.59
245,593
2070
4.56
9.00
-4.44

1.53
8.60
-7.08

6.08
17.60
-11.52
307,748
2075
4.51
9.24
-4.73

1.52
9.24
-7.72

6.03
18.47
-12.44
385,126
2080
4.46
9.43
-4.96

1.51
9.89
-8.38

5.97
19.32
-13.34
481,802
Summarized rates: 2
25-year:












2002-26
5.57
5.61
-.03

1.67
2.19
-.52

7.24
7.80
-.56

50-year:












2002-51
5.27
6.48
-1.21

1.63
3.55
-1.92

6.90
10.04
-3.14

75-year












2002-76
5.12
6.97
-1.85

1.61
4.55
-2.95

6.73
11.52
-4.79

1 Income for individual years excludes interest on the trust funds. Interest is implicitly reflected in all summarized values.

2 Summarized rates are calculated on the present-value basis including the value of the trust funds on January 1, 2002 and the cost of reaching a target trust fund level equal to 100 percent of annual expenditures at the end of the period.

Note: Totals do not necessarily equal the sums of rounded components.


The difference between trust fund operations expressed as percentages of taxable payroll and those expressed as percentages of GDP can be understood by analyzing the estimated ratios of OASDI taxable payroll to GDP, which are presented in table VI.E6. HI taxable payroll is about 25 percent larger than the OASDI taxable payroll throughout the long-range period (see appendix E.1 for a detailed description of the difference). The cost as a percentage of GDP is approximately equal to the cost as a percentage of taxable payroll multiplied by the ratio of taxable payroll to GDP.

Table VI.E6.—Ratio of OASDI Taxable Payroll to GDP, Calendar Years 2002-80
Calendar year
  Intermediate
  Low Cost
  High Cost
2002
0.411
0.412
0.410
2003
.411
.412
.409
2004
.408
.411
.405
2005
.406
.410
.403
2006
.404
.409
.398
2007
.402
.407
.394
2008
.401
.406
.394
2009
.400
.406
.394
2010
.399
.405
.393
2011
.399
.405
.391



2015
.396
.404
.387
2020
.393
.402
.382
2025
.389
.400
.377
2030
.385
.398
.372
2035
.381
.396
.366
2040
.378
.394
.361
2045
.374
.392
.356
2050
.371
.390
.351
2055
.367
.388
.346
2060
.364
.387
.341
2065
.360
.385
.336
2070
.357
.383
.331
2075
.354
.382
.326
2080
.350
.380
.322


Projections of GDP are based on the projected increases in U.S. employment, labor productivity, average hours worked, and the GDP implicit price deflator. Projections of taxable payroll reflect the projected growth in GDP, along with assumed changes in the ratio of worker compensation to GDP, the ratio of earnings to worker compensation, the ratio of OASDI covered earnings to total earnings, and the ratio of taxable to total covered earnings.

Over the long-range period, projected increases in taxable payroll differ from projected increases in GDP primarily due to the assumed trend in the ratio of wages to total employee compensation-i.e., wages plus fringe benefits. The ratio of earnings to total worker compensation declined at an average annual rate of 0.19 percent for the 40 years from 1960 to 2000. For the 10-year periods 1960-70, 1970-80, 1980-90 the ratio declined by 0.29, 0.63, and 0.12 percent, respectively. For the 10-year period 1990-2000 the ratio increased by 0.27 percent. Ultimate future annual rates of decline in the ratio of wages to employee compensation are assumed to be 0.1, 0.2, and 0.3 percent for the low cost, intermediate, and high cost assumptions, respectively. An additional factor that has made the overall ratio of taxable payroll to GDP decline in recent years is the decline in the ratio of taxable earnings to covered earnings, as a result of the relatively greater increases in earnings for persons with earnings above the benefit and contribution base. This decline in the taxable ratio is assumed to continue at a slower pace through 2011, with no further decline thereafter.


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