The Wealth Building Barrier
However, the global financial system is not designed for nomads.
If you are a Non-Resident Alien (NRA)—the IRS classification for most international students and temporary visa holders—investing is a minefield. If you use the wrong brokerage, you risk having your account frozen. If you fill out the wrong tax forms, you will be double-taxed. If you invest in the wrong type of ETF, you will trigger complex international tax treaties.
Here is the exact playbook for investing safely and legally across borders.
The Brokerage Problem: Why Robinhood is Dangerous
This works perfectly fine—until you graduate, your visa expires, and you have to move back to the UK, India, or Canada.
Retail US brokerages are legally terrified of international compliance (like AML and KYC laws). They require a permanent US residential address. When they discover you have left the country, they will send you a 30-day notice to either provide a US utility bill or they will forcefully liquidate your entire portfolio and close your account.
Forced liquidation means you have to sell your stocks, triggering an immediate taxable event, often during a market downturn.
The Solution: International Brokerages
The Gold Standard: Interactive Brokers (IBKR) Interactive Brokers is the indisputable king of expat investing. They operate globally. If you open an account while living in the US and later move to Dubai, you simply update your address in the settings. Your stocks remain untouched, and IBKR automatically adjusts your tax reporting to your new country of residence.
Other viable alternatives include Charles Schwab (International Account) and TradeStation.
Understanding Your Tax Liabilities (Capital Gains vs. Dividends)
Capital Gains Tax (0%): The US government wants foreign capital. Therefore, under section 871 of the IRS code, NRAs are generally subject to a 0% capital gains tax on the sale of US stocks. If you buy Tesla for $1,000 and sell it for $2,000, that $1,000 profit is completely tax-free from the IRS's perspective. (Note: Your home country may still tax this gain).
Dividend Tax (Flat 30%): While capital gains are free, dividends are severely punished. The IRS applies a flat 30% withholding tax on all dividends paid by US corporations to NRAs. The brokerage will automatically deduct this 30% before the cash even hits your account.
Because of this brutal dividend tax, NRAs should heavily favor Growth Stocks (which reinvest their profits and don't pay dividends) over Dividend Yield or Value stocks.
The W-8BEN Form: Your Financial Shield
Do not fill out a W-9 (which is for US citizens and residents). You must fill out the W-8BEN Form (Certificate of Foreign Status of Beneficial Owner).
Furthermore, if your home country has a tax treaty with the US, the W-8BEN allows you to claim treaty benefits, which can reduce that brutal 30% dividend tax down to 15% or even 10%. We have a complete breakdown on how to fill out this critical form in our dedicated W-8BEN guide.