Amendments
2004—Subsec. (c).
Pub. L. 108–203 substituted “exclusively to the laws applicable to” for “to taxes or contributions for similar purposes under”.
1990—Subsecs. (c), (d). Pub. L. 101–508 redesignated subsec. (d) as (c) and struck out former subsec. (c) which provided a credit against self-employment taxes imposed by this section.
1983—Subsec. (a).
Pub. L. 98–21, § 124(a), amended subsec. (a) generally, substituting a table for former pars. (1) to (7) which had imposed a tax on the self-employment income of every individual (1) in the case of any taxable year beginning before
Jan. 1, 1978
, to be equal to 7.0 percent of the amount of the self-employment income for such taxable year; (2) in the case of any taxable year beginning after
Dec. 31, 1977
, and before
Jan. 1, 1979
, to be equal to 7.10 percent of the amount of the self-employment income for such taxable year; (3) in the case of any taxable year beginning after
Dec. 31, 1978
, and before
Jan. 1, 1981
, to be equal to 7.05 percent of the amount of the self-employment income for such taxable year; (4) in the case of any taxable year beginning after
Dec. 31, 1980
, and before
Jan. 1, 1982
, to be equal to 8.00 percent of the amount of the self-employment income for such taxable year; (5) in the case of any taxable year beginning after
Dec. 31, 1981
, and before
Jan. 1, 1985
, to be equal to 8.05 percent of the amount of the self-employment income for such taxable year; (6) in the case of any taxable year beginning after
Dec. 31, 1984
, and before
Jan. 1, 1990
, to be equal to 8.55 percent of the amount of the self-employment income for such taxable year; and (7) in the case of any taxable year beginning after
Dec. 31, 1989
, to be equal to 9.30 percent of the amount of the self-employment income for such taxable year.
Subsec. (b).
Pub. L. 98–21, § 124(a), amended subsec. (b) generally, substituting a table for former pars. (1) to (6) which had imposed a tax on the self-employment income of every individual (1) in the case of any taxable year beginning after
Dec. 31, 1973
, and before
Jan. 1, 1978
, to be equal to 0.90 percent of the amount of the self-employment income for such taxable year; (2) in the case of any taxable year beginning after
Dec. 31, 1977
, and before
Jan. 1, 1979
, to be equal to 1.00 percent of the amount of the self-employment income for such taxable year; (3) in the case of any taxable year beginning after
Dec. 31, 1978
, and before
Jan. 1, 1981
, to be equal to 1.05 percent of the amount of the self-employment income for such taxable year; (4) in the case of any taxable year beginning after
Dec. 31, 1980
, and before
Jan. 1, 1985
, to be equal to 1.30 percent of the amount of the self-employment income for such taxable year; (5) in the case of any taxable year beginning after
Dec. 31, 1984
, and before
Jan. 1, 1986
, to be equal to 1.35 percent of the amount of the self-employment income for such taxable year; and (6) in the case of any taxable year beginning after
Dec. 31, 1985
, to be equal to 1.45 percent of the amount of the self-employment income for such taxable year.
Subsecs. (c), (d). Pub. L. 98–21, § 124(b), added subsec. (c) and redesignated former subsec. (c) as (d).
1977—Subsec. (a).
Pub. L. 95–216, § 101(a)(3), substituted provisions calling for a graduated increase in the tax from 7.0 percent for taxable years beginning before
Jan. 1, 1978
, to 9.30 percent for taxable years beginning after
Dec. 31, 1989
, for provisions under which the tax had been set at 7.0 percent without any increase in the rate in future years.
Subsec. (b).
Pub. L. 95–216, § 101(b)(3), substituted “after
December 31, 1977
, and before
January 1, 1979
” for “after
December 31, 1977
, and before
January 1, 1981
” and “1.00 percent” for “1.10 percent” in par. (2), substituted “after
December 31, 1978
, and before
January 1, 1981
” for “after
December 31, 1980
, and before
January 1, 1986
” and “1.05 percent” for “1.35 percent” in par. (3), substituted “after
December 31, 1980
, and before
January 1, 1985
” for “after
December 31, 1985
” and “1.30 percent” for “1.50 percent” in par. (4), and added pars. (5) and (6).
Subsec. (c). Pub. L. 95–216, § 317(b)(1), added subsec. (c).
1976—Subsec. (a).
Pub. L. 94–455, § 1901(a)(154)(A), among other changes, substituted provisions relating to a uniform tax rate of 7 percent on self-employment income of every individual for provisions relating to varied tax rate of 5.8 percent of the amount of self-employment income for any taxable year beginning after
Dec. 31, 1967
, and before
Jan. 1, 1969
, 6.3 percent for any taxable year beginning after
Dec. 31, 1968
, and before
Jan. 1, 1971
, 6.9 percent for any taxable year beginning after
Dec. 31, 1970
, and before
Jan. 1, 1973
, and 7.0 percent for any taxable year beginning after
Dec. 31, 1972
.
Subsec. (b).
Pub. L. 94–455, § 1901(a)(154)(B), redesignated pars. (3) to (6) as (1) to (4). Former pars. (1) and (2), which related to a 6 percent tax rate on self-employment income for any taxable year beginning after
Dec. 31, 1967
, and before
Jan. 1, 1974
, and 1 percent tax rate on self-employment income for any taxable year beginning after
Dec. 31, 1972
, and before
Jan. 1, 1974
, were struck out.
1973—Subsec. (b)(2). Pub. L. 93–233 substituted “1974” for “1978”.
Subsec. (b)(3). Pub. L. 93–233 substituted “1973” and “1978” for “1977” and “1981” and decreased the rate of tax from 1.25 percent to 0.90 percent.
Subsec. (b)(4). Pub. L. 93–233 substituted “1977” and “1981” for “1980” and “1986” and decreased the rate of tax from 1.35 percent to 1.10 percent.
Subsec. (b)(5).
Pub. L. 93–233 substituted “beginning after
December 31, 1980
, and before
January 1, 1986
” for “beginning after
December 31, 1985
” and decreased the rate of tax from 1.45 percent to 1.35 percent.
Subsec. (b)(6). Pub. L. 93–233 added par. (6).
1972—Subsec. (a)(3). Pub. L. 92–603, § 135(a)(1)(A), substituted “1973” for “1978”.
Subsec. (a)(4).
Pub. L. 92–603, § 135(a)(1)(B), substituted provisions that in the case of taxable years beginning after
Dec. 31, 1972
, the tax shall be equal to 7.0 percent of the amount of the self-employment income for such taxable year, for provisions that in the case of taxable years beginning after
Dec. 31, 1977
, and before
Jan. 1, 2011
, the tax shall be equal to 6.7 percent of the amount of the self-employment income for such taxable year.
Subsec. (a)(5).
Pub. L. 92–603, § 135(a)(1)(B), struck out par. (5) which provided that in the case of taxable years beginning after
Dec. 31, 2010
, the tax shall be equal to 7.0 percent of the amount of the self-employment income for the taxable year.
Subsec. (a)(3) to (5).
Pub. L. 92–336, § 204(a)(1), substituted “
January 1, 1978
” for “
January 1, 1973
” and struck out “and” after “such taxable year” in par. (3), extended from any taxable year beginning after
December 31, 1972
to any taxable year beginning after
December 31, 1977
, and before
January 1, 2011
, and decreased from 7.0 percent to 6.7 percent the provisions relating to the tax on self-employment income in par. (4), and added par. (5).
Subsec. (b)(2). Pub. L. 92–603, § 135(b)(1), increased the rate of tax from 0.9 percent to 1.0 percent.
Subsec. (b)(3). Pub. L. 92–603, § 135(b)(1), substituted “1981” for “1986” and “1.25” for “1.0”.
Subsec. (b)(4). Pub. L. 92–603, § 135(b)(1), substituted “1980” for “1985”, “1986” for “1993”, and “1.35” for “1.1”.
Subsec. (b)(5). Pub. L. 92–603, § 135(b)(1), substituted “1985” for “1992” and “1.45” for “1.2”.
Subsec. (b)(2) to (5). Pub. L. 92–336, § 204(b)(1), substituted “1978” for “1976” and “0.9” for “0.65” in subsec. (b)(2), “1977” for “1975”, “1986” for “1980” and “1.0” for “0.70” in par. (3), “1985” for “1979”, “1993” for “1987” and “1.1” for “0.80” in par. (4), and “1992” for “1986” and “1.2” for “0.90” in par. (5).
1968—Subsecs. (a)(1) to (4).
Pub. L. 90–248, § 109(a)(1), substituted “
December 31, 1967
” and “
January 1, 1969
” for “
December 31, 1965
” and “
January 1, 1967
” in par. (1), “
December 31, 1968
”, “
January 1, 1971
” and “6.3” for “
December 31, 1966
”, “
January 1, 1969
”, and “5.9” in par. (2), and “
December 31, 1970
” and “6.9” for “
December 31, 1968
” and “6.6” in par. (3), and reenacted par. (4) without change.
Subsec. (b)(1) to (5).
Pub. L. 90–248, § 109(b)(1), struck out par. (1) provision for rate of 0.35 percent of amount of self-employment income for any taxable year beginning after
Dec. 31, 1965
, and before
Jan. 1, 1967
, redesignated former pars. (2) to (6) as (1) to (5), substituted “
December 31, 1967
” for “
December 31, 1966
” in such par. (1) and increased the rate by 0.10 percent to 0.60, 0.65, 0.70, 0.80, and 0.90 in pars. (1) to (5), respectively.
1965—
Pub. L. 89–97, § 321(a), divided the total tax imposed under the entire section for each taxable year upon the self-employment income for such taxable year into two separate taxes by dividing the section into subsecs. (a) and (b), with subsec. (a) reflecting the tax for old-age, survivors, and disability insurance and subsec. (b) reflecting a separate tax for hospital insurance; reduced from 6.2 percent to 6.15 percent the rate of total tax imposed under the entire section for taxable years beginning after
Dec. 31, 1965
, and before
Jan. 1, 1967
(resulting from a tax of 5.8 percent under subsec. (a) and 0.35 percent under subsec. (b)), increased from 6.2 percent to 6.4 percent the rate for taxable years beginning after
Dec. 31, 1966
, and before
Jan. 1, 1968
(resulting from a tax of 5.9 percent under subsec. (a) and 0.50 percent under subsec. (b)), reduced from 6.9 percent to 6.4 percent the rate for taxable years beginning after
Dec. 31, 1967
, and before
Jan. 1, 1969
(resulting from a tax of 5.9 percent under subsec. (a) and 0.50 percent under subsec. (b)), increased from 6.9 percent to 7.1 percent the rate for taxable years beginning after
Dec. 31, 1968
, and before
Jan. 1, 1973
(resulting from a tax of 6.6 percent under subsec. (a) and 0.50 percent under subsec. (b)), from 6.9 percent to 7.55 percent the rate for taxable years beginning after
Dec. 31, 1972
, and before
Jan. 1, 1976
(resulting from a tax of 7.0 percent under subsec. (a) and 0.55 percent under subsec. (b)), from 6.9 percent to 7.60 percent the rate for taxable years beginning after
Dec. 31, 1975
, and before
Jan. 1, 1980
(resulting from a tax of 7.0 percent under subsec. (a) and 0.60 percent under subsec. (b)), from 6.9 percent to 7.70 percent the rate for taxable years beginning after
Dec. 31, 1979
, and before
Jan. 1, 1987
(resulting from a tax of 7.0 percent under subsec. (a) and 0.70 percent under subsec. (b)), and from 6.9 percent to 7.80 percent the rate for taxable years beginning after
Dec. 31, 1986
(resulting from a tax of 7.0 percent under subsec. (a) and 0.80 percent under subsec. (b)), and provided that the exclusion of employee representatives by section 1402(c)(3) should not apply for purposes of the tax imposed by subsec. (b).
Subsec. (b). Pub. L. 89–97, § 111(c)(4), struck out provision that for purposes of the tax imposed by this subsection, the exclusion of employee representatives by section 1402(c)(3) shall not apply.
1961—
Pub. L. 87–64 increased the rate of tax for taxable years beginning after
Dec. 31, 1961
, and before
Jan. 1, 1963
, from 4½ to 4.7 percent, taxable years beginning after
Dec. 31, 1962
, and before
Jan. 1, 1966
, from 5¼ to 5.4 percent, taxable years beginning after
Dec. 31, 1965
, and before
Jan. 1, 1968
, from 6 to 6.2 percent, taxable year beginning after
Dec. 31, 1967
, and before
Jan. 1, 1969
, from 6 to 6.9 percent, and taxable years beginning after
Dec. 31, 1968
, from 6¾ to 6.9 percent.
1958—
Pub. L. 85–840 increased the rate of tax by substituting provisions imposing a tax of 3¾ percent for taxable years beginning after
Dec. 31, 1958
, 4½ percent for years beginning after
Dec. 31, 1959
, 5¼ percent for years beginning after
Dec. 31, 1962
, 6 percent for years beginning after
Dec. 31, 1965
, and 6¾ percent for years beginning after
Dec. 31, 1968
, for provisions which imposed a tax of 3⅜ percent for taxable years beginning after
Dec. 31, 1956
, 4⅛ percent for years beginning after
Dec. 31, 1959
, 4⅞ percent for years beginning after
Dec. 31, 1964
, 5⅝ percent for years beginning after
Dec. 31, 1969
, and 6⅜ percent for years beginning after
Dec. 31, 1974
.
1956—Act
Aug. 1, 1956
, increased the rate of tax for all taxable years beginning after
Dec. 31, 1956
, by three-eighths percent.
1954—Act
Sept. 1, 1954
, increased the 4⅞ percent rate of tax on self-employment income for taxable years beginning after
Dec. 31, 1969
, to 5¼ percent for taxable years beginning after
Dec. 31, 1969
, and before
Jan. 1, 1975
, and 6 percent for taxable years beginning after
Dec. 31, 1974
.