standard deduction

(A) the basic standard deduction, and

(B) the additional standard deduction.

(A) the basic standard deduction, and

(B) the additional standard deduction.

(2) Basic standard deduction

For purposes of paragraph (1), the basic standard deduction is—

(A) 200 percent of the dollar amount in effect under subparagraph (C) for the taxable year in the case of—

(i) a joint return, or

(ii) a surviving spouse (as defined in section 2(a)),

(B) $4,400 in the case of a head of household (as defined in section 2(b)), or

(C) $3,000 in any other case.

(3) Additional standard deduction for aged and blind

For purposes of paragraph (1), the additional standard deduction is the sum of each additional amount to which the taxpayer is entitled under subsection (f).

(4) Adjustments for inflation

In the case of any taxable year beginning in a calendar year after 1988, each dollar amount contained in paragraph (2)(B), (2)(C), or (5) or subsection (f) shall be increased by an amount equal to—

(A) such dollar amount, multiplied by

(B) the cost-of-living adjustment determined under section 1(f)(3) for the calendar year in which the taxable year begins, by substituting for "calendar year 1992" in subparagraph (B) thereof—

(i) "calendar year 1987" in the case of the dollar amounts contained in paragraph (2)(B), (2)(C), or (5)(A) or subsection (f), and

(ii) "calendar year 1997" in the case of the dollar amount contained in paragraph (5)(B).

(5) Limitation on basic standard deduction in the case of certain dependents

In the case of an individual with respect to whom a deduction under section 151 is allowable to another taxpayer for a taxable year beginning in the calendar year in which the individual's taxable year begins, the basic standard deduction applicable to such individual for such individual's taxable year shall not exceed the greater of—

(A) $500, or

(B) the sum of $250 and such individual's earned income.

(6) Certain individuals, etc., not eligible for standard deduction

In the case of—

(A) a married individual filing a separate return where either spouse itemizes deductions,

(B) a nonresident alien individual,

(C) an individual making a return under section 443(a)(1) for a period of less than 12 months on account of a change in his annual accounting period, or

(D) an estate or trust, common trust fund, or partnership,

the standard deduction shall be zero.

(A) the basic standard deduction, and

(B) the additional standard deduction.

(2) Basic standard deduction

For purposes of paragraph (1), the basic standard deduction is—

(A) 200 percent of the dollar amount in effect under subparagraph (C) for the taxable year in the case of—

(i) a joint return, or

(ii) a surviving spouse (as defined in section 2(a)),

(B) $4,400 in the case of a head of household (as defined in section 2(b)), or

(C) $3,000 in any other case.

(3) Additional standard deduction for aged and blind

For purposes of paragraph (1), the additional standard deduction is the sum of each additional amount to which the taxpayer is entitled under subsection (f).

(4) Adjustments for inflation

In the case of any taxable year beginning in a calendar year after 1988, each dollar amount contained in paragraph (2)(B), (2)(C), or (5) or subsection (f) shall be increased by an amount equal to—

(A) such dollar amount, multiplied by

(B) the cost-of-living adjustment determined under section 1(f)(3) for the calendar year in which the taxable year begins, by substituting for "calendar year 2016" in subparagraph (A)(ii) thereof—

(i) "calendar year 1987" in the case of the dollar amounts contained in paragraph (2)(B), (2)(C), or (5)(A) or subsection (f), and

(ii) "calendar year 1997" in the case of the dollar amount contained in paragraph (5)(B).

(5) Limitation on basic standard deduction in the case of certain dependents

In the case of an individual with respect to whom a deduction under section 151 is allowable to another taxpayer for a taxable year beginning in the calendar year in which the individual's taxable year begins, the basic standard deduction applicable to such individual for such individual's taxable year shall not exceed the greater of—

(A) $500, or

(B) the sum of $250 and such individual's earned income.

(6) Certain individuals, etc., not eligible for standard deduction

In the case of—

(A) a married individual filing a separate return where either spouse itemizes deductions,

(B) a nonresident alien individual,

(C) an individual making a return under section 443(a)(1) for a period of less than 12 months on account of a change in his annual accounting period, or

(D) an estate or trust, common trust fund, or partnership,

the standard deduction shall be zero.

(7) Special rules for taxable years 2018 through 2025

In the case of a taxable year beginning after December 31, 2017, and before January 1, 2026—

(A) Increase in standard deduction

Paragraph (2) shall be applied—

(i) by substituting "$18,000" for "$4,400" in subparagraph (B), and

(ii) by substituting "$12,000" for "$3,000" in subparagraph (C).

(B) Adjustment for inflation

(i) In general

Paragraph (4) shall not apply to the dollar amounts contained in paragraphs (2)(B) and (2)(C).

(ii) Adjustment of increased amounts

In the case of a taxable year beginning after 2018, the $18,000 and $12,000 amounts in subparagraph (A) shall each be increased by an amount equal to—

(I) such dollar amount, multiplied by

(II) the cost-of-living adjustment determined under section 1(f)(3) for the calendar year in which the taxable year begins, determined by substituting "2017" for "2016" in subparagraph (A)(ii) thereof.

If any increase under this clause is not a multiple of $50, such increase shall be rounded to the next lowest multiple of $50.

(A) the basic standard deduction, and

(B) the additional standard deduction.

(2) Basic standard deduction

For purposes of paragraph (1), the basic standard deduction is—

(A) $5,000 in the case of—

(i) a joint return, or

(ii) a surviving spouse (as defined in section 2(a)),

(B) $4,400 in the case of a head of household (as defined in section 2(b)),

(C) $3,000 in the case of an individual who is not married and who is not a surviving spouse or head of household, or

(D) $2,500 in the case of a married individual filing a separate return.

(3) Additional standard deduction for aged and blind

For purposes of paragraph (1), the additional standard deduction is the sum of each additional amount to which the taxpayer is entitled under subsection (f).

(4) Adjustments for inflation

In the case of any taxable year beginning in a calendar year after 1988, each dollar amount contained in paragraph (2) or (5)(A) or subsection (f) shall be increased by an amount equal to—

(A) such dollar amount, multiplied by

(B) the cost-of-living adjustment determined under section 1(f)(3) for the calendar year in which the taxable year begins, by substituting “calendar year 1987” for “calendar year 1992” in subparagraph (B) thereof.

(5) Limitation on basic standard deduction in the case of certain dependents

In the case of an individual with respect to whom a deduction under section 151 is allowable to another taxpayer for a taxable year beginning in the calendar year in which the individual's taxable year begins, the basic standard deduction applicable to such individual for such individual's taxable year shall not exceed the greater of—

(A) $500, or

(B) such individual's earned income.

(6) Certain individuals, etc., not eligible for standard deduction

In the case of—

(A) a married individual filing a separate return where either spouse itemizes deductions,

(B) a nonresident alien individual,

(C) an individual making a return under section 443(a)(1) for a period of less than 12 months on account of a change in his annual accounting period, or

(D) an estate or trust, common trust fund, or partnership,

the standard deduction shall be zero.

(A) the basic standard deduction, and

(B) the additional standard deduction.

(2) Basic standard deduction

For purposes of paragraph (1), the basic standard deduction is—

(A) $5,000 in the case of—

(i) a joint return, or

(ii) a surviving spouse (as defined in section 2(a)),

(B) $4,400 in the case of a head of household (as defined in section 2(b)),

(C) $3,000 in the case of an individual who is not married and who is not a surviving spouse or head of household, or

(D) $2,500 in the case of a married individual filing a separate return.

(3) Additional standard deduction for aged and blind

For purposes of paragraph (1), the additional standard deduction is the sum of each additional amount to which the taxpayer is entitled under subsection (f).

(4) Adjustments for inflation

In the case of any taxable year beginning in a calendar year after 1988, each dollar amount contained in paragraph (2) or (5) or subsection (f) shall be increased by an amount equal to—

(A) such dollar amount, multiplied by

(B) the cost-of-living adjustment determined under section 1(f)(3) for the calendar year in which the taxable year begins, by substituting for “calendar year 1992” in subparagraph (B) thereof—

(i) “calendar year 1987” in the case of the dollar amounts contained in paragraph (2) or (5)(A) or subsection (f), and

(ii) “calendar year 1997” in the case of the dollar amount contained in paragraph (5)(B).

(5) Limitation on basic standard deduction in the case of certain dependents

In the case of an individual with respect to whom a deduction under section 151 is allowable to another taxpayer for a taxable year beginning in the calendar year in which the individual's taxable year begins, the basic standard deduction applicable to such individual for such individual's taxable year shall not exceed the greater of—

(A) $500, or

(B) the sum of $250 and such individual's earned income.

(6) Certain individuals, etc., not eligible for standard deduction

In the case of—

(A) a married individual filing a separate return where either spouse itemizes deductions,

(B) a nonresident alien individual,

(C) an individual making a return under section 443(a)(1) for a period of less than 12 months on account of a change in his annual accounting period, or

(D) an estate or trust, common trust fund, or partnership,

the standard deduction shall be zero.

(A) the basic standard deduction, and

(B) the additional standard deduction.

(2) Basic standard deduction

For purposes of paragraph (1), the basic standard deduction is—

(A) the applicable percentage of the dollar amount in effect under subparagraph (D) for the taxable year in the case of—

(i) a joint return, or

(ii) a surviving spouse (as defined in section 2(a)),

(B) $4,400 in the case of a head of household (as defined in section 2(b)),

(C) one-half of the amount in effect under subparagraph (A) in the case of a married individual filing a separate return, or

(D) $3,000 in any other case.

If any amount determined under subparagraph (A) is not a multiple of $50, such amount shall be rounded to the next lowest multiple of $50.

(3) Additional standard deduction for aged and blind

For purposes of paragraph (1), the additional standard deduction is the sum of each additional amount to which the taxpayer is entitled under subsection (f).

(4) Adjustments for inflation

In the case of any taxable year beginning in a calendar year after 1988, each dollar amount contained in paragraph (2)(B), (2)(D), or (5) or subsection (f) shall be increased by an amount equal to—

(A) such dollar amount, multiplied by

(B) the cost-of-living adjustment determined under section 1(f)(3) for the calendar year in which the taxable year begins, by substituting for “calendar year 1992” in subparagraph (B) thereof—

(i) “calendar year 1987” in the case of the dollar amounts contained in paragraph (2)(B), (2)(D), or (5)(A) or subsection (f), and

(ii) “calendar year 1997” in the case of the dollar amount contained in paragraph (5)(B).

(5) Limitation on basic standard deduction in the case of certain dependents

In the case of an individual with respect to whom a deduction under section 151 is allowable to another taxpayer for a taxable year beginning in the calendar year in which the individual's taxable year begins, the basic standard deduction applicable to such individual for such individual's taxable year shall not exceed the greater of—

(A) $500, or

(B) the sum of $250 and such individual's earned income.

(6) Certain individuals, etc., not eligible for standard deduction

In the case of—

(A) a married individual filing a separate return where either spouse itemizes deductions,

(B) a nonresident alien individual,

(C) an individual making a return under section 443(a)(1) for a period of less than 12 months on account of a change in his annual accounting period, or

(D) an estate or trust, common trust fund, or partnership,

the standard deduction shall be zero.

(7) Applicable percentage

For purposes of paragraph (2), the applicable percentage shall be determined in accordance with the following table:

(A) the basic standard deduction,

(B) the additional standard deduction,

(C) in the case of any taxable year beginning in 2008 or 2009, the real property tax deduction, and

(D) the disaster loss deduction.

(2) Basic standard deduction

For purposes of paragraph (1), the basic standard deduction is—

(A) 200 percent of the dollar amount in effect under subparagraph (C) for the taxable year in the case of—

(i) a joint return, or

(ii) a surviving spouse (as defined in section 2(a)),

(B) $4,400 in the case of a head of household (as defined in section 2(b)), or

(C) $3,000 in any other case.

(3) Additional standard deduction for aged and blind

For purposes of paragraph (1), the additional standard deduction is the sum of each additional amount to which the taxpayer is entitled under subsection (f).

(4) Adjustments for inflation

In the case of any taxable year beginning in a calendar year after 1988, each dollar amount contained in paragraph (2)(B), (2)(C), or (5) or subsection (f) shall be increased by an amount equal to—

(A) such dollar amount, multiplied by

(B) the cost-of-living adjustment determined under section 1(f)(3) for the calendar year in which the taxable year begins, by substituting for “calendar year 1992” in subparagraph (B) thereof—

(i) “calendar year 1987” in the case of the dollar amounts contained in paragraph (2)(B), (2)(C), or (5)(A) or subsection (f), and

(ii) “calendar year 1997” in the case of the dollar amount contained in paragraph (5)(B).

(5) Limitation on basic standard deduction in the case of certain dependents

In the case of an individual with respect to whom a deduction under section 151 is allowable to another taxpayer for a taxable year beginning in the calendar year in which the individual's taxable year begins, the basic standard deduction applicable to such individual for such individual's taxable year shall not exceed the greater of—

(A) $500, or

(B) the sum of $250 and such individual's earned income.

(6) Certain individuals, etc., not eligible for standard deduction

In the case of—

(A) a married individual filing a separate return where either spouse itemizes deductions,

(B) a nonresident alien individual,

(C) an individual making a return under section 443(a)(1) for a period of less than 12 months on account of a change in his annual accounting period, or

(D) an estate or trust, common trust fund, or partnership,

the standard deduction shall be zero.

(7) Real property tax deduction

For purposes of paragraph (1), the real property tax deduction is the lesser of—

(A) the amount allowable as a deduction under this chapter for State and local taxes described in section 164(a)(1), or

(B) $500 ($1,000 in the case of a joint return).

Any taxes taken into account under section 62(a) shall not be taken into account under this paragraph.

(8) Disaster loss deduction

(A) the basic standard deduction,

(B) the additional standard deduction,

(C) in the case of any taxable year beginning in 2008 or 2009, the real property tax deduction,

(D) the disaster loss deduction, and

(E) the motor vehicle sales tax deduction.

(A) the basic standard deduction,

(B) the additional standard deduction,

(C) in the case of any taxable year beginning in 2008 or 2009, the real property tax deduction,

(D) the disaster loss deduction, and

(E) the motor vehicle sales tax deduction.

(2) Basic standard deduction

For purposes of paragraph (1), the basic standard deduction is—

(A) 200 percent of the dollar amount in effect under subparagraph (C) for the taxable year in the case of—

(i) a joint return, or

(ii) a surviving spouse (as defined in section 2(a)),

(B) $4,400 in the case of a head of household (as defined in section 2(b)), or

(C) $3,000 in any other case.

(3) Additional standard deduction for aged and blind

For purposes of paragraph (1), the additional standard deduction is the sum of each additional amount to which the taxpayer is entitled under subsection (f).

(4) Adjustments for inflation

In the case of any taxable year beginning in a calendar year after 1988, each dollar amount contained in paragraph (2)(B), (2)(C), or (5) or subsection (f) shall be increased by an amount equal to—

(A) such dollar amount, multiplied by

(B) the cost-of-living adjustment determined under section 1(f)(3) for the calendar year in which the taxable year begins, by substituting for "calendar year 1992" in subparagraph (B) thereof—

(i) "calendar year 1987" in the case of the dollar amounts contained in paragraph (2)(B), (2)(C), or (5)(A) or subsection (f), and

(ii) "calendar year 1997" in the case of the dollar amount contained in paragraph (5)(B).

(5) Limitation on basic standard deduction in the case of certain dependents

In the case of an individual with respect to whom a deduction under section 151 is allowable to another taxpayer for a taxable year beginning in the calendar year in which the individual's taxable year begins, the basic standard deduction applicable to such individual for such individual's taxable year shall not exceed the greater of—

(A) $500, or

(B) the sum of $250 and such individual's earned income.

(6) Certain individuals, etc., not eligible for standard deduction

In the case of—

(A) a married individual filing a separate return where either spouse itemizes deductions,

(B) a nonresident alien individual,

(C) an individual making a return under section 443(a)(1) for a period of less than 12 months on account of a change in his annual accounting period, or

(D) an estate or trust, common trust fund, or partnership,

the standard deduction shall be zero.

(7) Real property tax deduction

For purposes of paragraph (1), the real property tax deduction is the lesser of—

(A) the amount allowable as a deduction under this chapter for State and local taxes described in section 164(a)(1), or

(B) $500 ($1,000 in the case of a joint return).

Any taxes taken into account under section 62(a) shall not be taken into account under this paragraph.

(8) Disaster loss deduction