US issues highest ‘Level 4 - Do Not Travel’ warning for over 20 countries: See full list

The US has issued its highest travel advisory, Level 4: “Do Not Travel,” for more than two dozen countries, advising American citizens to steer clear of travel there due to serious extreme safety and security issues. This warning comes from the U.S. State Department and reflects serious concerns about conditions that could threaten life and limit the government’s ability to assist citizens in emergencies.

Travel advisories are released to guide US citizens in making informed decisions about overseas travel by providing updates on safety and security conditions in various countries. They are regularly assessed and are updated or reissued whenever meaningful changes on the ground arise that may impact the safety of travellers.

Travel Gov took to X to share the following, "We issue Travel Advisories with Levels 1 – 4. Level 4 means Do Not Travel. We assign Level 4 based on local conditions and/or our limited ability to help Americans there. These places are dangerous. Do not go for any reason. "

What is a Level 4 warning?Level 4, labelled 'Do Not Travel,' is the highest level of warning among the State Department’s four travel advisory categories. It applies to destinations where life-threatening risks are likely and where the US Government’s ability to assist citizens is extremely limited, including in medical or emergency situations.

A Level 4 classification may be because of a combination of the following:

• Armed conflict or war
• Terrorism
• Widespread violent crime
• Civil unrest or instability
• Threats of kidnap or hostage taking
• Risks of wrongful detention
• Severe health emergencies
• Natural disasters or services deprivation

These factors make travel to and staying in these countries dangerous for American citizens.

Read more: 2026 travel list: 8 visa-free countries for Indian passport holders

In many Level 4 destinations, local healthcare, emergency response systems, and security infrastructure are severely under-resourced or non-functional, which further compounds the danger and reduces the US Government’s ability to help.

Level 4: Do Not Travel













These are the countries to which travel should be avoided, as of now, because of a various reasons like armed conflict, crime, and more.

As of the beginning of 2026, the following countries have been currently listed as Level 4: Do Not Travel by the US State Department primarily due to significant safety and security issues:

1. Afghanistan
2. Belarus
3. Burkina Faso
4. Burma (Myanmar)
5. Central African Republic
6. Haiti
7. Iran
8. Iraq
9. Lebanon
10. Libya
11. Mali
12. Niger
13. North Korea
14. Russia
15. Somalia
16. South Sudan
17. Sudan
18. Syria
19. Ukraine
20. Venezuela
21. Yemen

In need to be noted that several of these countries are engaged in armed conflicts, experiencing political instability, or plagued by one or more forms of civil unrest and violence that threaten the safety of local residents and foreign visitors.

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What travelers should knowThe Level 4 advisory extends to all Americans considering travel and those already in affected countries. The advisory also indicates that those already in Level 4 destinations, the US citizens, are urged to leave as soon as it is safe to do so.

As conditions can change quickly, the State Department’s recommendations for all US travellers are as follows:

Do take take of all official travel advisories, and check official sites before making bookings or continuing with travel plans.

Sign up for STEP to receive travel and security updates from the US Government, as well as country-specific information

Remain informed about local events, such as security issues, civil unrest, health or climate threats

These precautionary steps will enable Americans to stay informed and obtain easier consular support in case situations deteriorate.