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.
Contents Glossary




 

IV. TRUST FUND INCOME AND OUTGO

Table IV.1.—Contribution Rates to the OASI and DI Trust Funds
(Calendar years 1975-2010)
[Percent]
Year
Employee and employer rates, each
Self-employed rates
  OASI
  DI
  OASDI
  OASI
  DI
  OASDI
1975
4.375
0.575
4.950
6.185
0.815
7.000
1976
4.375
.575
4.950
6.185
.815
7.000
1977
4.375
.575
4.950
6.185
.815
7.000
1978
4.275
.775
5.050
6.010
1.090
7.100
1979
4.330
.750
5.080
6.010
1.040
7.050
1980
4.520
.560
5.080
6.273
.777
7.050
1981
4.700
.650
5.350
7.025
.975
8.000
1982
4.575
.825
5.400
6.813
1.237
8.050
1983
4.775
.625
5.400
7.113
.938
8.050
1984
15.200
1.500
15.700
210.400
21.000
211.400
1985
5.200
.500
5.700
210.400
21.000
211.400
1986
5.200
.500
5.700
210.400
21.000
211.400
1987
5.200
.500
5.700
210.400
21.000
211.400
1988
5.530
.530
6.060
211.060
21.060
212.120
1989
5.530
.530
6.060
211.060
21.060
212.120
1990
5.600
.600
6.200
11.200
1.200
12.400
1991
5.600
.600
6.200
11.200
1.200
12.400
1992
5.600
.600
6.200
11.200
1.200
12.400
1993
5.600
.600
6.200
11.200
1.200
12.400
1994
5.260
.940
6.200
10.520
1.880
12.400
1995
5.260
.940
6.200
10.520
1.880
12.400
1996
5.260
.940
6.200
10.520
1.880
12.400
1997
5.350
.850
6.200
10.700
1.700
12.400
1998
5.350
.850
6.200
10.700
1.700
12.400
1999
5.350
.850
6.200
10.700
1.700
12.400
2000
5.300
.900
6.200
10.600
1.800
12.400
2001
5.300
.900
6.200
10.600
1.800
12.400
2002
5.300
.900
6.200
10.600
1.800
12.400
2003
5.300
.900
6.200
10.600
1.800
12.400
2004
5.300
.900
6.200
10.600
1.800
12.400
2005
5.300
.900
6.200
10.600
1.800
12.400
2006
5.300
.900
6.200
10.600
1.800
12.400
2007
5.300
.900
6.200
10.600
1.800
12.400
2008
5.300
.900
6.200
10.600
1.800
12.400
2009
5.300
.900
6.200
10.600
1.800
12.400
2010
5.300
.900
6.200
10.600
1.800
12.400

1 Employees were allowed an immediate credit against their FICA tax liability in 1984 in the following percentages:

—OASI 0.2736842 percent;  DI, 0.0263158 percent;  OASDI, 0.3 percent.

2 Self-employed persons were allowed credit against their FICA tax liability for 1984-89 in the following percentages:

—1984: OASI, 2.01 Percent;  DI, 0.19 percent;  OASDI, 2.2 percent;

—1985: OASI, 1.70 Percent;  DI, 0.16 percent;  OASDI, 1.86 percent;

—1986-87: OASI, 1.45 Percent;  DI, 0.14 percent;  OASDI, 1.59 percent;

—1988-89: OASI, 1.47 Percent;  DI, 0.14 percent;  OASDI, 1.61 percent.

Sources:

OASDI employee and employer rates from Internal Revenue Code, Subtitle C—Employment Taxes, Chapter 21—Federal Insurance Contributions Act, Subchapter A—Tax on Employees, Sec. 3101—Rate of tax, and Subchapter B—Tax on Employers, Sec. 3111—Rate of tax, respectively.

DI employee-employer rate, combined, from Social Security Act, section 201(b)(1).

OASDI self-employed rates from Internal Revenue Code, Subtitle A—Income Taxes, Chapter 2—Tax on Self-Employment Income, Sec. 1401—Rate of tax, subsection (a)—Old-Age, Survivors, and Disability Insurance.

DI self-employed rate from Social Security Act, section 201(b)(2).

OASI rates implied from OASDI and DI rates.

OASDI employee credit from Internal Revenue Code, Subtitle C—Employment Taxes, Chapter 25—General Provisions Relating to Employment Taxes, Sec. 3510—Credit for increased social security employee taxes and railroad retirement tier 1 employee taxes imposed during 1984.

OASDHI self-employed credit from Internal Revenue code, Subtitle A—Income Taxes, Chapter 2—Tax on Self-Employment Income, Sec. 1401—Rate of tax, subsection (c)—Credit Against Taxes Imposed by this Section.

OASI and DI credit from unpublished Treasury documents.


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December 26, 2001