Single Taxpayers - Standard Deduction $12,000
10%	0 to $9,525
12%	$9,525 to $38,700
22%	$38,700 to $82,500
24%	$82,500 to $157,500
32%	$157,500 to $200,000
35%	$200,000 to $500,000
37%	Over $500,000

Married Jointly & Surviving Spouses - Standard Deduction $24,000
10%	0 to $19,050
12%	$19,050 to $77,400
22%	$77,400 to $165,000
24%	$165,000 to $315,000
32%	$315,000 to $400,000
35%	$400,000 to $600,000
37%	Over $600,000

Married Filing Separately - Standard Deduction $12,000
10%	0 to $9,525
12%	$9,525 to $38,700
22%	$38,700 to $82,500
24%	$82,500 to $157,500
32%	$157,500 to $200,000
35%	$200,000 to $300,000
37%	Over $300,000

Head of Household - Standard Deduction $18,000
10%	0 to $13,600
12%	$13,600 to $51,800
22%	$51,800 to $82,500
24%	$82,500 to $157,500
32%	$157,500 to $200,000
35%	$200,000 to $500,000
37%	Over $500,000

Estates & Trusts
10%	0 to $2,550
24%	$2,550 to $9,150
35%	$9,150 to $12,500
37%	Over $12,500

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	$128,400
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	$2,500,000
Business expensing limit: New and Used Equipment and Software	$1,000,000
Prior-year safe harbor for estimated taxes of higher-income	110% of your 2018 tax liability
Standard mileage rate for business driving	54.5 cents
Standard mileage rate for medical driving	18 cents
Standard mileage rate for moving driving - Members of the Armed Forces on active duty who move because of a permanent change of station	18 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	$1,050
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	$5,500 if under age 50 $6,500 if 50 or older
Maximum employee contribution to SIMPLE IRA	$12,500 if under age 50 $15,500 if 50 or older
Maximum Contribution to SEP IRA	25% of eligible compensation up to $55,000
401(k) maximum employee contribution limit	$18,500 if under age 50 $24,500 if 50 or older
Estate tax exemption	$11,180,000
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

Standard Meal Rates for Family Child Care Providers for 2020 income tax returns
Continental U.S.	2018-19 Tax Rates
For each breakfast	$1.31
For each lunch or supper	$2.46
For each snack (up to 3 per day for each child)	$0.73
Alaska	2018-19 Tax Rates
For each breakfast	$2.09
For each lunch or supper	$3.99
For each snack (up to 3 per day for each child)	$1.19
Hawaii	2018-19 Tax Rates
For each breakfast	$1.53
For each lunch or supper	$2.88
For each snack (up to 3 per day for each child)	$0.86
Source: Federal Register