UN Security Levels

On this page:

• Definitions of the 6 UN Security Levels

The UN carries out a Structured Threat Assessment in order to determine the Security Level.  There is a separate decision process for security measures to be taken in response.

Level One: Minimal

• Rare limited threats

Level Two: Low

• Occasional limited threats

Level Three: Moderate

• Occasional multiple threats

Level Four: Substantial

• Frequent multiple threats

Level Five: High

• Continuous multiple threats

Level Six: Extreme

• Generalized major threats