Capital Income & Investment Taxation β United States
The US taxes capital gains and investment income separately from ordinary income, with preferential rates for long-term holdings. The 3.8% Net Investment Income Tax (NIIT) applies to high earners. The US has a federal estate tax but no wealth tax.
Capital Income & Investment Taxation
The US taxes capital gains and investment income separately from ordinary income, with preferential rates for long-term holdings. The 3.8% Net Investment Income Tax (NIIT) applies to high earners. The US has a federal estate tax but no wealth tax.
Capital Gains Tax Rates (2026)
Assets held 1 year or less. Taxed as ordinary income at your marginal rate. Includes short-term stock trades, crypto held less than a year, and flipped property.
Single filers with taxable income up to $49,450 ($98,900 joint) pay 0% on long-term capital gains. Powerful tax planning opportunity for lower income years.
Most common rate for long-term capital gains. Applies to single filers with taxable income between $49,451 and $553,850.
Highest long-term rate. Applies to single filers with taxable income exceeding $553,850. Qualified dividends follow same rate structure.
Long-term gains from collectibles (art, coins, antiques, precious metals) taxed at maximum 28%. Higher than standard long-term rates.
Additional 3.8% tax on net investment income (interest, dividends, capital gains, rental income) for modified AGI above $200,000 single ($250,000 joint). Can bring effective top rate to 23.8%.
Cryptocurrency Taxation
Selling, trading, or spending crypto triggers capital gains. Short-term (β€1 year): ordinary rates 10-37%. Long-term (>1 year): preferential rates 0%, 15%, or 20%.
Mining rewards, staking income, airdrops, and crypto earned as payment are taxed as ordinary income at fair market value when received.
Starting 2026, all US crypto exchanges must report capital gains and losses to the IRS via Form 1099-DA. Significantly increases IRS visibility into crypto transactions.
Crypto losses can offset capital gains. Up to $3,000 of excess losses can offset ordinary income per year. Remaining losses carry forward indefinitely. Wash sale rules may apply in future.
Dividends
Dividends from US corporations and qualified foreign corporations held 60+ days. Taxed at preferential long-term capital gains rates. Most common US stock dividends qualify.
Dividends that don't meet holding period or source requirements. Taxed as ordinary income. Includes REITs, most foreign dividends, and money market dividends.
Estate & Gift Tax
Federal estate tax exemption is $15 million per individual in 2026 ($30 million for married couples via portability). Made permanent by OBBBA. Only estates exceeding this threshold are taxed.
Progressive rates from 18-40% on taxable estate value above the exemption. Top 40% rate applies to amounts over $1 million above exemption.
Give up to $19,000 per person per year ($38,000 per couple) without filing a gift tax return. Amounts above this count against your lifetime $15M exemption.
The US has no federal wealth tax on net worth. No requirement to report total assets for wealth tax purposes. Only income and realized gains are taxed.
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Social Security & Medicare (FICA)
The US social insurance system is funded through FICA (Federal Insurance Contributions Act) taxes, covering Social Security (retirement, disability, survivors) and Medicare (healthcare for 65+). Contributions are mandatory for all W-2 employees and self-employed individuals. The system is funded jointly by employees and employers.
02Tax Deductions and Credits
The US tax system offers two paths for deductions: the standard deduction or itemized deductions. Tax credits directly reduce tax owed and are generally more valuable than deductions. The OBBBA (2025) made permanent most deduction provisions from the 2017 Tax Cuts and Jobs Act.
03How Your Tax is Calculated
US federal income tax is calculated progressively using marginal rates. Tax is withheld from paychecks throughout the year and reconciled when you file your annual return. State income taxes (where applicable) are calculated separately.
05Special Features of the US Tax System
The US tax system has unique features that distinguish it from most other countries: citizenship-based taxation, a complex federal-state-local structure, extensive retirement savings incentives, and no national VAT or sales tax.
06Tax Filing and Compliance
The US operates a self-assessment tax system where individuals are responsible for filing annual tax returns. Employers withhold estimated taxes from paychecks, and annual returns reconcile withholding with actual tax liability. Electronic filing is standard and covers federal and state returns.