There are currently 37 countries participating in the visa waiver program: Andorra, Australia, Austria, Belgium, Brunei, Chile, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Japan, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Monaco, the Netherlands, New Zealand, Norway, Portugal, San Marino, Singapore, Slovakia, Slovenia, South Korea, Spain, Sweden, Switzerland, and United Kingdom.

All travelers to the U.S. under the visa waiver program must obtain pre-registration through ESTA, the Electronic System for Travel Authorization, prior to their travel to the U.S. ESTA registration is done through an online fully automated, electronic system.

Note: This information relates to only U.S. immigration issues and does not address non U.S.-immigration issues (such as visa requirements) for travel to other countries.