This is the lowest advisory level for safety and security risk.
Level 2
Exercise Increased Caution
Be aware of heightened risks and take additional precautions.
Level 3
Reconsider Travel
Conditions are unstable or dangerous. Avoid travel to certain areas.
Level 4
Do Not Travel
Life-threatening conditions. U.S. government ability to assist is extremely limited.
How to Read a U.S. Travel Advisory
A U.S. travel advisory is the State Department's official safety assessment of a foreign country, issued by the Bureau of Consular Affairs. Every one of the 251 countries tracked on this page carries one of four levels, from Level 1 (Exercise Normal Precautions) to Level 4 (Do Not Travel). Right now 73 countries sit at Level 1, while 20 are rated Level 4 and 29 are at Level 3 (Reconsider Travel). An advisory is guidance, not a legal ban — it does not close a border or cancel a visa, but it signals how much risk the U.S. government believes a traveler is taking on.
Each advisory can also carry one or more risk-indicator letters that explain why a level was assigned: C (Crime), T (Terrorism), U (Civil Unrest), K (Kidnapping or Hostage-Taking), H (Health), N (Nuclear), E (Wrongful Detention), D (Wrongful Detention risk to U.S. nationals), O (Other), and M (Maritime). A single Level 3 country flagged for Crime is a very different trip from one flagged for Armed Conflict, so the letters matter as much as the number.
Advisories are reviewed on a rolling basis — at minimum once a year, and immediately after a major security event — and the data on this page refreshes every six hours. Before you book or travel, it is worth checking the current level, enrolling in the free Smart Traveler Enrollment Program (STEP), and reading the full country page for area-specific warnings, which often differ sharply from the headline level.
Frequently Asked Questions
What is a U.S. travel advisory?
It is the U.S. State Department's official assessment of the safety and security risk of traveling to a specific country. Each advisory assigns one of four levels and lists the specific risks — such as crime, terrorism, or civil unrest — behind that rating.
How often are U.S. travel advisories updated?
The State Department reassesses every country at least once a year, and updates an advisory immediately when conditions change — after an election, natural disaster, terrorist attack, or outbreak. The advisory levels shown on this page are re-synced from official sources every six hours.
What do the letters on an advisory mean?
The letters are risk indicators that explain why a country received its level: C is Crime, T is Terrorism, U is Civil Unrest, K is Kidnapping, H is Health, N is Nuclear, E and D relate to Wrongful Detention, M is Maritime, and O is Other. A country can carry several at once.
Does a Level 4 "Do Not Travel" advisory cancel my visa or flight?
No. A travel advisory is guidance, not a legal order. It does not cancel your visa, void an airline ticket, or close the border. It does mean the U.S. government considers the risk very high and that its ability to help you in an emergency may be severely limited.
Is a travel advisory the same as a travel ban?
No. A travel advisory tells U.S. citizens how risky it is to visit another country. A travel ban is a separate legal restriction — usually issued by presidential proclamation or DHS — that limits who may enter the United States. The two are unrelated systems.
How does the State Department decide the advisory level?
Levels are set by weighing the specific risk indicators — crime, terrorism, unrest, kidnapping, health, and others — against how well local authorities can respond and how easily U.S. consular staff can reach travelers. Higher and more numerous risks push a country toward Level 3 or 4.
