In India, travellers need to take "increased caution due to crime and terrorism", the advisory reads. Some people would have no second thoughts of traveling to Iran, for example, which is rated Level 4.
The advisory further goes on adding U.S. employees are mandated to take special authorization from USA consulate general offices before traveling to states with Naxalite activity or the states of Assam, Arunachal Pradesh, Mizoram, Nagaland, Meghalaya, Tripura, and Manipur, reported India Today.
But India-held Kashmir - except the eastern Ladakh region and its capital, Leh - is categorised as a "do not travel" area "due to terrorism and civil unrest" as are the areas within 10km of the India-Pakistan border due to the potential for armed conflict.
"Travel to all areas of Afghanistan is unsafe because of high levels of kidnappings, hostage taking, suicide bombings, widespread military combat operations, landmines, terrorist and insurgent attacks, including attacks using vehicle-borne or other improvised explosive devices (IEDs)", says the advisory for Afghanistan.
The U.S. State Department launched its new travel advisory system Wednesday, the same day issued a "do not travel" warning to five Mexican states because of crime. Now every country has a travel advisory based on this system, which has replaced all the previous such advisories.
It is also suggested that United States citizens "reconsider travel to Nairobi neighbourhood of Eastleigh at all times and Old Town in Mombasa at night due to crime".
On January 10, 2018, the Department of State launched improvements to how we share information with USA travelers. It is also tells citizens to "reconsider travel to Nairobi neighborhood of Eastleigh at all times and Old Town in Mombasa at night due to crime". These include France and Belgium, where an ISIS cell conducted deadly attacks in 2015 and 2016, as well as Germany, where a truck plowed into a group of people at a Christmas market in December 2016.
Level 3 tells citizens to "reconsider travel: Avoid travel due to serious risks to safety and security".
Perennial US adversary Russian Federation was listed as a Tier 3 country, due to the risk of "terrorism and harassment". The US Department of State lists Honduras, Haiti and Turkey in this category.
Burundi is designated a level-three destination. The new rankings, found on travel.state.gov, are applied to every country, even Antarctica.
T - Terrorism: Terrorist attacks have occurred and/or specific threats against civilians, groups, or other targets may exist.