Straight answer, official source, and how long it takes.
No visa for tourism or business stays of up to 90 days. Whoever houses you must register you with immigration within 48 hours.
No visa application needed for United States passport holders on a short tourist or business trip. Just check your passport meets the validity rules below before you fly.
Book a travel clinic appointment 6–8 weeks before you fly.
Not required for entry — advised by NHS / CDC for most travellers.
Recommended — food & water borne.
Recommended, especially for longer stays or rural travel.
Consider for rural travel, cyclists, and long trips.
Consider if hiking or camping in forested areas May–September.
Not medical advice. Always confirm with your GP, travel nurse, or a Yellow Fever Vaccination Centre — requirements change and can vary based on where you're arriving from.
The US State Department says US passport holders don't need a visa for tourist or business visits of up to 90 days, and your passport should be valid for 6 months beyond arrival. Mongolian immigration law requires the person or business housing you (for example your hotel) to register you within 48 hours. That registration is separate from any visa or arrival card.
For United States passport holders, tourism or short business trips.
| Passport | Regular US passport |
|---|---|
| Purpose | Tourism or business (US State Department) |
| Visa required | No, not for short stays |
| Maximum stay | Up to 90 days (US State Department) |
| Passport validity | Valid for 6 months beyond arrival (US State Department) |
| Return/onward ticket | Not confirmed in the sources we checked — check official requirements before travel |
| Arrival form | Not confirmed in the sources we checked. Separately, your housing provider must register you within 48 hours (Immigration Agency of Mongolia, Article 24.4; online at eimmigration.mn). |
| Last checked | 28 June 2026 |
No visa is required for US citizens visiting Japan for tourism for stays under 90 days.
Read the dossierYes, U.S. citizens need a visa for Vietnam — either an eVisa (evisa.gov.vn) or a visa from a Vietnamese embassy, arranged before travel. The only exception is stays of 30 days or less on Phu Quoc island.
Read the dossierUS citizens need a visa for India, with an eVisa option available for tourist travel.
Read the dossierHuman-checked
Every dossier is written from official government sources, then re-checked on 28 Jun 2026.
Auto-monitored
An hourly job re-scans official sources for changes. Anything fishy triggers a manual review.
Not legal advice
Always cross-check with the linked official source before you book. Read our methodology and disclaimer.