Single Taxpayers - Standard Deduction $12,200
10%	0 to $9,700
12%	$9,700 to $39,475
22%	$39,475 to $84,200
24%	$84,200 to $160,725
32%	$160,725 to $204,100
35%	$204,100 to $510,300
37%	Over $510,300

Married Jointly & Surviving Spouses - Standard Deduction $24,400
10%	0 to $19,400
12%	$19,400 to $78,950
22%	$78,950 to $168,400
24%	$168,400 to $321,450
32%	$321,450 to $408,200
35%	$408,200 to $612,350
37%	Over $612,350

Married Filing Separately - Standard Deduction $12,200
10%	0 to $9,700
12%	$9,700 to $39,475
22%	$39,475 to $84,200
24%	$84,200 to $160,725
32%	$160,725 to $204,100
35%	$204,100 to $306,175
37%	Over $306,175

Head of Household - Standard Deduction $18,350
10%	0 to $13,850
12%	$13,850 to $52,850
22%	$52,850 to $84,200
24%	$84,200 to $160,700
32%	$160,700 to $204,100
35%	$204,100 to $510,300
37%	Over $510,300

Estates & Trusts
10%	0 to $2,600
24%	$2,600 to $9,300
35%	$9,300 to $12,750
37%	Over $12,750

Social Security
Social Security Tax Rate: Employers	6.2%
Social Security Tax Rate: Employees	6.2%
Social Security Tax Rate: Self-Employed	15.3%
Maximum Taxable Earnings	$132,900
Medicare Base Salary	Unlimited
Medicare Tax Rate: Employers	1.45%
Medicare Tax Rate: Employees	1.45%
Additional Medicare Tax for income above $200,000 (single filers) or $250,000 (joint filers)	0.9%
Medicare tax on net investment income ($200,000 single filers, $250,000 joint filers)	3.8%

Miscellaneous
Business expensing limit: Cap on equipment purchases	$2,550,000
Business expensing limit: New and Used Equipment and Software	$1,020,000
Qualified Business Income threshold amount:	$160,700 (single and head of household); $321,400 (married filing joint return)
Qualified Small Employer Health Reimbursement Arrangement limit:	$5,150 (single coverage); $10,450 (family coverage)
Prior-year safe harbor for estimated taxes of higher-income	110% of your 2018 tax liability
Standard mileage rate for business driving	58 cents
Standard mileage rate for medical driving	20 cents
Standard mileage rate for moving driving - Members of the Armed Forces on active duty who move because of a permanent change of station	20 cents
Standard mileage rate for charitable driving	14 cents
Child Tax Credit	$2,000
Unearned income maximum for children under 19 before kiddie tax applies	$1,100
Maximum capital gains tax rate for taxpayers with income up to $40,000 for single filers, $80,000 for married filing jointly	0%
Maximum capital gains tax rate for taxpayers with income above $40,000 for single filers, $80,000 for married filing jointly	15%
Maximum capital gains tax rate for taxpayers with income above $441,450 for single filers, $496,600 for married filing jointly	20%
Capital gains tax rate for unrecaptured Sec. 1250 gains	25%
Capital gains tax rate on collectibles	28%
Maximum contribution for Traditional/Roth IRA	$6,000 if under age 50 $7,000 if 50 or older
Maximum employee contribution to SIMPLE IRA	$13,000 if under age 50 $16,000 if 50 or older
Maximum Contribution to SEP IRA	25% of eligible compensation up to $56,000
401(k) maximum employee contribution limit	$19,000 if under age 50 $25,000 if 50 or older
Estate tax exemption	$11,400,000
Annual Exclusion for Gifts	$15,000

Education
American Opportunity Credit (Hope)	$2,500
Lifetime Learning Credit	$2,000
Student Loan Interest Deduction	$2,500
Coverdell Education Savings Contribution	$2,000
Source: IRS Revenue Procedure 2018-57

Standard Meal Rates for Family Child Care Providers for 2020 income tax returns
Continental U.S.	2019-20 Tax Rates (July 1, 2019-June 30, 2020)
For each breakfast	$1.33
For each lunch or supper	$2.49
For each snack (up to 3 per day for each child)	$0.74
Alaska	2019-20 Tax Rates (July 1, 2019-June 30, 2020)
For each breakfast	$2.12
For each lunch or supper	$4.04
For each snack (up to 3 per day for each child)	$1.20
Hawaii	2019-20 Tax Rates (July 1, 2019-June 30, 2020)
For each breakfast	$1.54
For each lunch or supper	$2.92
For each snack (up to 3 per day for each child)	$0.87
Source: Federal Register