US Travel Advisories: 21 Countries Under 'Do Not Travel' Warning in 2025

The specific 21 countries are not listed in the provided headline and summary. To find out which countries are affected, you must consult the official US State Department travel advisory website. These advisories are frequently updated.

The advisories are due to a combination of factors including high safety risks and stricter border controls in the affected countries. The exact reasons will vary by country and are detailed in the individual country advisories on the State Department website.

If you are already in one of the affected countries, check the specific advisory for that country on the US State Department website for recommendations. This may include advice on enhancing your personal security and monitoring local news and advisories.

No, the summary explicitly states that US domestic travel is thriving. The warnings are specifically for international travel to and from the United States.

You should consult the official website of the US Department of State's Bureau of Consular Affairs for the most up-to-date and complete list of countries with travel advisories. This website provides detailed information for each country, explaining the reasons for the advisory and recommended actions.