What Is Form W-8BEN? A Guide for Non-US Investors in the EU, UK and Worldwide (2026)

Form W-8BEN explained: who needs it, how to fill it in line by line, what is different by country, how long it lasts, and the US dividend withholding rate for the 27 EU states, the UK and the rest of the world. Checked against dated IRS and national sources in October 2026.

