United States Financial Glossary

Learn the definitions of key financial terms, tax acronyms, and mortgage jargon commonly used in United States.

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401(k)

Retirement

A retirement savings plan sponsored by an employer which lets workers save and invest a piece of their paycheck before taxes are taken out.

A

Amortization

Loans

The process of spreading out a loan into a series of equal periodic payments. Each payment is divided into principal and interest.

AGI

Tax

Adjusted Gross Income. A key federal tax figure used to determine deductions, credits, and phaseouts before itemized deductions are applied.

APR

Loans

Annual Percentage Rate. The yearly cost of borrowing money, including interest and fees, expressed as a percentage.

C

Capital Gains

Investments

Profits from selling investments or assets, taxed at different rates depending on how long the asset was held.

Credit Score

Loans

A numerical rating (typically 300-850) that represents creditworthiness based on payment history and debt levels.

F

FICA

Tax

Federal Insurance Contributions Act. A US federal payroll tax deducted from paychecks to fund Social Security and Medicare programs.

Form W-4

Tax

The payroll form used to tell an employer how much federal income tax to withhold from each paycheck.

H

HSA

Savings

Health Savings Account. A triple-tax-advantaged account for medical expenses when paired with a high-deductible health plan.

HELOC

Loans

Home Equity Line of Credit. A revolving credit line secured by your home equity, similar to a credit card.

I

IRA

Retirement

Individual Retirement Account. A personal retirement savings account with tax advantages, available in Traditional and Roth versions.

Itemized Deductions

Tax

Specific expenses like mortgage interest, state taxes, and charitable donations that can be deducted instead of the standard deduction.

P

PMI

Loans

Private Mortgage Insurance. Required insurance when a home buyer makes a down payment less than 20% of the purchase price.

R

Roth IRA

Retirement

A retirement account funded with after-tax dollars where qualified withdrawals in retirement are completely tax-free.

S

Standard Deduction

Tax

A fixed dollar amount that reduces taxable income, available to all taxpayers who don't itemize deductions.

W

Withholding

Tax

Income tax withheld from wages throughout the year so taxpayers prepay part of their federal tax liability.

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