50 États, routes mythiques et diversité à l'infini
Capitale
Washington, D.C.
Langue
English
Devise
US Dollar (USD)
Meilleure période
Varies by region — spring and fall are ideal
Sécurité
Prudence accrue
selon les avis gouvernementaux en direct
Faible divergence — les 2 sources gouvernementales couvrant cette destination sont globalement en accord.
Mis à jour le 28 août 2026
Comparer les avis pour tous les pays
United Kingdom: Contains public sector information from the Foreign, Commonwealth & Development Office (gov.uk) licensed under the Open Government Licence v3.0.
Canada: Contains information licensed under the Open Government Licence – Canada, published by Global Affairs Canada.
Australia: Contains material from the Department of Foreign Affairs and Trade's Smartraveller website – www.smartraveller.gov.au, provided under the Creative Commons Attribution licence.
Dernière vérification : 25 août 2026
Sources : avis de voyage gouvernementaux et autorités sanitaires · Notre méthode de vérification
ESTA (Electronic System for Travel Authorization) required for Visa Waiver Program countries (UK, Australia, most EU, Japan, etc.) for stays up to 90 days. Canadians enter visa-free. Many nationalities require a B1/B2 tourist visa.
ESTA (Electronic System for Travel Authorization) required for Visa Waiver Program countries (UK, Australia, most EU, Japan, etc.) for stays up to 90 days. Canadians enter visa-free. Many nationalities require a B1/B2 tourist visa.
ESTA: apply at esta.cbp.dhs.gov at least 72 hours before travel. Tourist visa (B1/B2): apply at US embassy with DS-160 form, interview, and supporting documents.
ESTA: usually approved within minutes to 72 hours. B1/B2 visa: weeks to months depending on embassy wait times.
ESTA: $21 USD. B1/B2 visa: $185 USD application fee.
Les exigences de visa varient selon la nationalité et changent fréquemment. Vérifiez auprès de l'ambassade de votre pays ou de l'autorité d'immigration officielle de la destination avant de voyager.
Tourist areas in major cities are generally safe. Gun violence is a reality — mass shootings occur. Some urban neighborhoods have high crime. National parks and rural tourist areas are very safe. Healthcare is extremely expensive without insurance.
Basé sur les avis de voyage officiels du FCDO britannique, surveillés en continu · Sources de données
Tourist areas in major cities are generally safe. Gun violence is a reality — mass shootings occur. Some urban neighborhoods have high crime. National parks and rural tourist areas are very safe. Healthcare is extremely expensive without insurance.
Tap water is safe in most cities. Some rural areas and Flint, Michigan have had issues — check locally.
Gun violence is a unique risk. Healthcare costs can be devastating without insurance. Driving distances are massive — the US is huge. Natural disasters vary by region (hurricanes, tornadoes, earthquakes, wildfires).
Tipping is MANDATORY in practice. 18-20% at restaurants. $1-2 per drink at bars. 15-20% for taxis. $2-5 per night for hotel housekeeping. Not tipping is considered very rude.
Very casual. Americans dress down more than most countries. Jeans and sneakers are acceptable almost everywhere.
Christian majority but extremely diverse. Every religion represented. Very secular in daily life in most cities. Bible Belt (South) is more conservative.