The Visa Waiver Program (VWP), administered by the Department of Homeland Security (DHS) in consultation with the State Department, permits citizens of 42 countries to travel to the United States for business or tourism for stays of up to 90 days without a visa by applying for an ESTA authorization, provided by the Electronic System for Travel Authorization (ESTA), that determines the eligibility of visitors to travel to the United States.

These are the 42 VWP countries: Andorra, Australia, Austria, Belgium, Brunei, Chile, Croatia, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Israel, Italy, Japan, Korea, Republic of, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Monaco, Netherlands†, New Zealand, Norway, Poland, Portugal, Qatar, San Marino, Singapore, Slovakia, Slovenia, Spain, Sweden, Switzerland, Taiwan, United Kingdom.