§ 1401. Rate of tax

§ 1401. Rate of tax

(a) Old-age, survivors, and disability insurance In addition to other taxes, there shall be imposed for each taxable year, on the self-employment income of every individual, a tax equal to 12.4 percent of the amount of the self-employment income for such taxable year.

(b) Hospital insurance

(1) In general In addition to the tax imposed by the preceding subsection, there shall be imposed for each taxable year, on the self-employment income of every individual, a tax equal to 2.9 percent of the amount of the self-employment income for such taxable year.

(2) Additional tax

(A) In general In addition to the tax imposed by paragraph (1) and the preceding subsection, there is hereby imposed on every taxpayer (other than a corporation, estate, or trust) for each taxable year beginning after December 31, 2012, a tax equal to 0.9 percent of the self-employment income for such taxable year which is in excess of—

(i) in the case of a joint return, $250,000,

(ii) in the case of a married taxpayer (as defined in section 7703) filing a separate return, ½ of the dollar amount determined under clause (i), and

(iii) in any other case, $200,000.

(B) Coordination with FICA The amounts under clause (i), (ii), or (iii) (whichever is applicable) of subparagraph (A) shall be reduced (but not below zero) by the amount of wages taken into account in determining the tax imposed under section 3121(b)(2) with respect to the taxpayer.

(c) Relief from taxes in cases covered by certain international agreements During any period in which there is in effect an agreement entered into pursuant to section 233 of the Social Security Act with any foreign country, the self-employment income of an individual shall be exempt from the taxes imposed by this section to the extent that such self-employment income is subject under such agreement exclusively to the laws applicable to the social security system of such foreign country.

(Aug. 16, 1954, ch. 736, 68A Stat. 353; Sept. 1, 1954, ch. 1206, title II, § 208(a), 68 Stat. 1093; Aug. 1, 1956, ch. 836, title II, § 202(a), 70 Stat. 845; Pub. L. 85–840, title IV, § 401(a), Aug. 28, 1958, 72 Stat. 1041; Pub. L. 87–64, title II, § 201(a), June 30, 1961, 75 Stat. 140; Pub. L. 89–97, title I, § 111(c)(4), title III, § 321(a), July 30, 1965, 79 Stat. 342, 394; Pub. L. 90–248, title I, § 109(a)(1), (b)(1), Jan. 2, 1968, 81 Stat. 835, 836; Pub. L. 92–336, title II, § 204 (a)(1), (b)(1), July 1, 1972, 86 Stat. 420, 421; Pub. L. 92–603, title I, § 135(a)(1), (b)(1), Oct. 30, 1972, 86 Stat. 1362, 1363; Pub. L. 93–233, § 6(b)(1), Dec. 31, 1973, 87 Stat. 955; Pub. L. 94–455, title XIX, § 1901(a)(154), Oct. 4, 1976, 90 Stat. 1789; Pub. L. 95–216, title I, § 101(a)(3), (b)(3), title III, § 317(b)(1), Dec. 20, 1977, 91 Stat. 1511, 1512, 1539; Pub. L. 98–21, title I, § 124(a), (b), Apr. 20, 1983, 97 Stat. 89; Pub. L. 101–508, title XI, § 11801(a)(36), (c)(16), Nov. 5, 1990, 104 Stat. 1388–521, 1388–527; Pub. L. 108–203, title IV, § 415, Mar. 2, 2004, 118 Stat. 530; Pub. L. 111–148, title IX, § 9015(b)(1), title X, § 10906(b), Mar. 23, 2010, 124 Stat. 871, 1020; Pub. L. 111–152, title I, § 1402(b)(1)(B), Mar. 30, 2010, 124 Stat. 1063; Pub. L. 113–295, div. A, title II, § 221(a)(89), (90), Dec. 19, 2014, 128 Stat. 4050.)

Editorial Notes

References in Text

Section 233 of the Social Security Act, referred to in subsec. (c), is classified to section 433 of Title 42, The Public Health and Welfare.

Amendments

2014—Subsec. (a). Pub. L. 113–295, § 221(a)(89), substituted “12.4 percent of the amount of the self-employment income for such taxable year.” for “the following percent of the amount of the self-employment income for such taxable year:

Subsec. (b)(1). Pub. L. 113–295, § 221(a)(90), substituted “2.9 percent of the amount of the self-employment income for such taxable year.” for “the following percent of the amount of the self-employment income for such taxable year:

2010—Subsec. (b). Pub. L. 111–148, § 9015(b)(1), designated existing provisions as par. (1), inserted heading, and added par. (2).

Subsec. (b)(2)(A). Pub. L. 111–152, § 1402(b)(1)(B)(i), added cl. (ii) and redesignated former cl. (ii) as (iii).

Pub. L. 111–148, § 10906(b), substituted “0.9 percent” for “0.5 percent” in introductory provisions.

Subsec. (b)(2)(B). Pub. L. 111–152, § 1402(b)(1)(B)(ii), substituted “under clause (i), (ii), or (iii) (whichever is applicable)” for “under clauses (i) and (ii)”.

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).