If you are presenting your paper only virtually and not attending the conference in person, you don't need a visa
For the most accurate information about visa requirements to the US, see https://www.usa.gov/tourist-visa
In general, visitors to the USA need to know the following key information about visa requirements:
Types of Visitor Visas:
B-1 visa for business visits.
B-2 visa for tourism, pleasure, or medical treatment. <-- apply for this to attend the conference
Combined B-1/B-2 visa for both business and tourism purposes.
Visa Waiver Program (VWP): See Visa Waiver Program for current information. In general,
Citizens of 42 countries participating in the Visa Waiver Program can travel to the US for tourism or business for up to 90 days without a visa. They include the following:
These travelers must obtain an Electronic System for Travel Authorization (ESTA) before traveling.
ESTA is valid for two years or until the passport expires, allows multiple entries, and costs $21 to apply.
The VWP only applies if traveling by approved commercial carriers; private boats or planes require a standard visa.
If you need a visa, here are the Visa Application Requirements:
Valid passport with at least six months' validity beyond the intended stay.
Completed online application form DS-160.
A recent digital photograph that meets government specifications.
Proof of financial means to cover the trip.
Evidence of strong ties to the home country (job, family, property) to show intent to return.
Pay the visa application fee ($185 for most visitor visas, plus a possible new $250 visa integrity fee starting fiscal year 2025).
Schedule and attend a visa interview at a US Embassy or Consulate (generally required for ages 14-79).
Provide fingerprints during the visa interview.
Additional documents may be requested by consular officers.
Visa Interview:
Typically required except for applicants under 14 or over 79 or some renewal cases.
May be done at the home country embassy/consulate or, with some difficulties, in a third country.
Visa Duration:
Visitor visas can be valid up to 10 years with multiple entries allowed.
The length of each stay is determined by US Customs and Border Protection officers on arrival, usually up to six months.
Upon Entry:
A Form I-94 is issued electronically, recording arrival and expected departure.
Visitors must comply with visa terms and leave by the authorized date.
Visa Integrity Fee:
Starting fiscal year 2025, a new $250 "visa integrity fee" applies to most B-1/B-2 visa applicants, payable at visa issuance.
This fee may be refundable if the visitor complies with visa terms, but exact refund procedures are unclear.
If a visa is denied:
The application fee is non-refundable.
Information is available on how to appeal or check eligibility for waiver of inadmissibility.
This covers the fundamental requirements and processes that visitors to the US should be aware of regarding visas, including eligibility, application steps, costs, interviews, and entry rules.
