2006 OASDI Trustees Report

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VI. APPENDICES
F. ESTIMATES FOR OASDI AND HI, SEPARATE AND COMBINED

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.F4 shows estimated income excluding interest, total cost, 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.F4. 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 cost 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 cost consists of outlays (benefits and administrative expenses) for insured beneficiaries. Both the HI income and cost are on an incurred basis.

The OASDI annual balance (income excluding interest, less cost) as a percentage of GDP is projected to be positive on the basis of the low cost assumptions until 2022. After 2021, deficits increase to a peak in about 2035, 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 through 2020 on the basis of the low cost assumptions. The HI balance is projected to be negative in the first projection year under the intermediate and high cost assumptions, with deficits increasing steadily thereafter. The combined OASDI and HI balance as a percentage of GDP is projected to be positive through 2021 under the low cost assumptions, through 2014 under the intermediate assumptions, and through 2009 under the high cost assumptions. Between 2010 and about 2035, under all three sets of 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 combined OASDI and HI programs.

By 2080, the combined OASDI and HI balances as percentages of GDP, are projected to range from a deficit of 1.17 percent for the low cost assumptions to a deficit of 12.33 percent for the high cost assumptions. Projected balances differ by a much smaller amount for the tenth year, 2015, ranging from a positive balance of 0.62 percent for the low cost assumptions to a deficit of 1.00 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 deficit of 0.15 percent, based on the low cost assumptions, to a deficit of 5.99 percent, based on the high cost assumptions). The 25-year summarized balance varies by a smaller amount (from a positive balance of 0.73 percent to a deficit of 1.55 percent). Summarized rates are calculated on the present-value basis including the trust fund balances on January 1, 2006 and the cost of reaching a target trust fund level equal to 100 percent of the following year's annual cost at the end of the period. (See section IV.B.4 for further explanation.)

Table VI.F4.-OASDI and HI Annual and Summarized Income, Cost, and Balance
as a Percentage of GDP, Calendar Years 2006-80  
Calendar year
Percentage of GDP
GDP in
dollars
(billions)
OASDI
 
HI
 
Combined
Income1
Cost
Balance
Income 1
Cost
Balance
Income 1
Cost
Balance
Intermediate:
 
2006
4.85
4.28
0.57
 
1.46
1.48
-0.02
 
6.31
5.76
0.55
$13,191
 
2007
4.83
4.26
.58
 
1.47
1.51
-.04
 
6.30
5.76
.54
13,886
 
2008
4.87
4.24
.63
 
1.48
1.53
-.05
 
6.36
5.77
.59
14,620
 
2009
4.87
4.27
.60
 
1.48
1.56
-.08
 
6.35
5.82
.52
15,366
 
2010
4.88
4.32
.56
 
1.48
1.58
-.10
 
6.36
5.90
.46
16,141
 
2011
4.90
4.36
.54
 
1.50
1.61
-.11
 
6.39
5.97
.43
16,937
 
2012
4.90
4.44
.46
 
1.50
1.64
-.14
 
6.41
6.09
.32
17,748
 
2013
4.91
4.54
.37
 
1.51
1.69
-.18
 
6.42
6.23
.19
18,544
 
2014
4.91
4.64
.26
 
1.51
1.72
-.21
 
6.42
6.37
.05
19,378
 
2015
4.90
4.74
.16
 
1.51
1.77
-.25
 
6.42
6.51
-.09
20,274
 
2020
4.89
5.27
-.38
 
1.53
2.01
-.49
 
6.42
7.28
-.86
25,369
 
2025
4.88
5.78
-.90
 
1.53
2.36
-.82
 
6.42
8.14
-1.73
31,536
 
2030
4.87
6.18
-1.31
 
1.54
2.77
-1.23
 
6.41
8.95
-2.54
39,112
 
2035
4.84
6.36
-1.52
 
1.54
3.17
-1.63
 
6.38
9.53
-3.15
48,593
 
2040
4.80
6.36
-1.56
 
1.53
3.50
-1.97
 
6.33
9.86
-3.53
60,423
 
2045
4.76
6.30
-1.54
 
1.52
3.75
-2.24
 
6.28
10.06
-3.78
75,174
 
2050
4.72
6.26
-1.54
 
1.50
3.96
-2.45
 
6.23
10.22
-3.99
93,329
 
2055
4.69
6.25
-1.57
 
1.49
4.13
-2.64
 
6.18
10.38
-4.20
115,752
 
2060
4.65
6.26
-1.61
 
1.48
4.31
-2.82
 
6.13
10.57
-4.43
143,534
 
2065
4.61
6.28
-1.67
 
1.47
4.48
-3.00
 
6.08
10.76
-4.67
178,018
 
2070
4.57
6.31
-1.74
 
1.46
4.65
-3.18
 
6.04
10.95
-4.92
220,656
 
2075
4.54
6.32
-1.78
 
1.45
4.78
-3.33
 
5.99
11.10
-5.11
273,678
 
2080
4.50
6.32
-1.83
 
1.44
4.90
-3.45
 
5.94
11.22
-5.28
339,249
Summarized rates:2
25-year:
 
2006-30
5.52
5.27
.25
 
1.61
2.07
-.46
 
7.13
7.34
-.21
 
50-year:
 
2006-55
5.21
5.68
-.47
 
1.57
2.72
-1.15
 
6.78
8.40
-1.62
 
75-year
 
2006-80
5.07
5.81
-.74
 
1.55
3.14
-1.60
 
6.62
8.95
-2.33
 
Low Cost:
 
2006
4.85
4.25
.59
 
1.45
1.44
.01
 
6.30
5.70
.60
13,226
 
2007
4.85
4.22
.63
 
1.46
1.44
.02
 
6.31
5.66
.65
13,898
 
2008
4.89
4.19
.70
 
1.48
1.44
.04
 
6.37
5.63
.74
14,584
 
2009
4.89
4.19
.71
 
1.48
1.44
.04
 
6.37
5.62
.75
15,281
 
2010
4.91
4.19
.72
 
1.48
1.43
.05
 
6.39
5.63
.77
15,995
 
2011
4.93
4.19
.74
 
1.49
1.43
.06
 
6.43
5.62
.80
16,749
 
2012
4.94
4.22
.72
 
1.50
1.44
.06
 
6.44
5.66
.78
17,523
 
2013
4.95
4.27
.68
 
1.51
1.45
.06
 
6.46
5.72
.74
18,290
 
2014
4.95
4.33
.63
 
1.51
1.45
.06
 
6.46
5.78
.68
19,075
 
2015
4.95
4.39
.56
 
1.51
1.46
.05
 
6.47
5.85
.62
19,874
 
2020
4.96
4.82
.14
 
1.53
1.52
.01
 
6.49
6.34
.15
24,310
 
2025
4.96
5.25
-.29
 
1.54
1.62
-.09
 
6.50
6.87
-.37
29,555
 
2030
4.96
5.54
-.58
 
1.54
1.73
-.19
 
6.50
7.27
-.77
35,906
 
2035
4.95
5.62
-.67
 
1.54
1.82
-.27
 
6.49
7.43
-.94
43,802
 
2040
4.93
5.52
-.60
 
1.54
1.87
-.34
 
6.46
7.40
-.93
53,656
 
2045
4.90
5.39
-.48
 
1.53
1.92
-.40
 
6.43
7.31
-.88
65,897
 
2050
4.88
5.27
-.39
 
1.52
1.98
-.46
 
6.40
7.25
-.85
80,951
 
2055
4.86
5.19
-.33
 
1.51
2.05
-.54
 
6.37
7.24
-.88
99,512
 
2060
4.84
5.12
-.29
 
1.50
2.15
-.65
 
6.34
7.27
-.93
122,427
 
2065
4.82
5.06
-.24
 
1.50
2.25
-.75
 
6.31
7.30
-.99
150,864
 
2070
4.79
4.99
-.20
 
1.49
2.34
-.85
 
6.28
7.33
-1.05
186,069
 
2075
4.77
4.93
-.16
 
1.48
2.42
-.94
 
6.25
7.35
-1.10
229,632
 
2080
4.75
4.90
-.15
 
1.48
2.49
-1.02
 
6.23
7.39
-1.17
283,241
Low Cost (cont.):
                     
Summarized rates: 2
25-year:
 
2006-30
5.59
4.89
0.70
 
1.61
1.58
0.03
 
7.20
6.47
0.73
 
50-year:
 
2006-55
5.31
5.09
.22
 
1.58
1.71
-.13
 
6.88
6.79
.09
 
75-year
 
2006-80
5.19
5.06
.13
 
1.56
1.84
-.29
 
6.75
6.90
-.15
 
High Cost:
 
2006
4.92
4.42
.49
 
1.46
1.55
-.10
 
6.37
5.98
.40
$12,828
 
2007
4.80
4.45
.35
 
1.47
1.60
-.14
 
6.26
6.05
.21
13,501
 
2008
4.86
4.45
.41
 
1.48
1.65
-.17
 
6.34
6.10
.24
14,252
 
2009
4.86
4.54
.32
 
1.48
1.72
-.25
 
6.34
6.27
.07
14,855
 
2010
4.84
4.60
.24
 
1.48
1.78
-.30
 
6.32
6.38
-.06
15,901
 
2011
4.80
4.62
.19
 
1.49
1.83
-.34
 
6.29
6.45
-.15
17,315
 
2012
4.81
4.75
.06
 
1.50
1.91
-.41
 
6.31
6.65
-.35
18,439
 
2013
4.83
4.91
-.08
 
1.51
1.99
-.49
 
6.33
6.90
-.57
19,390
 
2014
4.83
5.04
-.21
 
1.51
2.08
-.57
 
6.34
7.12
-.78
20,389
 
2015
4.82
5.17
-.35
 
1.51
2.17
-.66
 
6.33
7.33
-1.00
21,456
 
2020
4.80
5.75
-.95
 
1.52
2.71
-1.19
 
6.32
8.46
-2.14
27,536
 
2025
4.77
6.31
-1.54
 
1.52
3.49
-1.96
 
6.30
9.80
-3.50
35,124
 
2030
4.74
6.80
-2.06
 
1.53
4.48
-2.95
 
6.27
11.29
-5.01
44,645
 
2035
4.71
7.11
-2.40
 
1.52
5.60
-4.07
 
6.23
12.71
-6.47
56,647
 
2040
4.66
7.24
-2.58
 
1.52
6.60
-5.08
 
6.18
13.84
-7.67
71,695
 
2045
4.61
7.32
-2.71
 
1.50
7.41
-5.91
 
6.11
14.74
-8.62
90,543
 
2050
4.56
7.42
-2.86
 
1.49
8.02
-6.53
 
6.05
15.43
-9.38
113,732
 
2055
4.51
7.53
-3.03
 
1.48
8.40
-6.92
 
5.99
15.93
-9.95
142,554
 
2060
4.46
7.68
-3.22
 
1.47
8.71
-7.25
 
5.93
16.39
-10.47
178,219
 
2065
4.41
7.86
-3.45
 
1.46
9.02
-7.56
 
5.87
16.87
-11.00
222,292
 
2070
4.36
8.05
-3.68
 
1.45
9.31
-7.86
 
5.82
17.36
-11.54
276,940
 
2075
4.32
8.20
-3.88
 
1.44
9.54
-8.10
 
5.76
17.74
-11.98
344,722
 
2080
4.27
8.31
-4.05
 
1.43
9.72
-8.29
 
5.70
18.03
-12.33
428,728
Summarized rates: 2
25-year:
                       
 
2006-30
5.43
5.74
-.30
 
1.59
2.83
-1.23
 
7.02
8.57
-1.55
 
50-year:
                       
 
2006-55
5.09
6.38
-1.29
 
1.56
4.63
-3.08
 
6.65
11.01
-4.36
 
75-year
                       
 
2006-80
4.92
6.73
-1.81
 
1.53
5.71
-4.18
 
6.45
12.44
-5.99
 

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

2Summarized rates are calculated on the present-value basis including the value of the trust funds on January 1, 2006 and the cost of reaching a target trust fund level equal to 100 percent of annual cost 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.F5. HI taxable payroll is about 25 percent larger than the OASDI taxable payroll throughout the long-range period (see appendix VI.F.1 for a detailed description of the difference). The cost as a percentage of GDP is equal to the cost as a percentage of taxable payroll multiplied by the ratio of taxable payroll to GDP.

Table VI.F5.-Ratio of OASDI Taxable Payroll to GDP, Calendar Years 2006-80
Calendar year
Intermediate
Low Cost
High Cost
2006
0.381
0.381
0.383
2007
.382
.383
.382
2008
.382
.383
.380
2009
.382
.384
.381
2010
.382
.385
.379
2011
.382
.385
.374
2012
.382
.385
.374
2013
.381
.385
.374
2014
.381
.385
.374
2015
.380
.385
.372
       
2020
.377
.384
.367
2025
.373
.382
.363
2030
.370
.380
.358
2035
.366
.378
.353
2040
.363
.376
.348
2045
.360
.375
.343
2050
.357
.373
.339
2055
.354
.372
.334
2060
.350
.370
.329
2065
.347
.369
.324
2070
.344
.367
.320
2075
.341
.366
.315
2080
.337
.364
.311

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 growth in taxable payroll differs from projected growth 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 0.27 percent for the 40 years from 1964 to 2004. For the 10-year periods 1964-74, 1974-84, and 1984-94 the average annual rates of decline were 0.45, 0.50, and 0.13 percent, respectively. For the 10-year period 1994-2004 the average annual rate of change was essentially zero. Ultimate future annual rates of decline in the ratio of earnings 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 wages to covered wages, as a result of the relatively greater increases in wages for persons earning above the contribution and benefit base. This decline in the taxable ratio is assumed to continue at a slower pace through 2015, with no further decline thereafter.



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