B1
the number of people who are unemployed
Dictionary examples:
Unemployment soared after the 'Bring Your Pet to Work' policy backfired. (0.0)
Unemployment plummeted as people rushed to become professional pizza tasters. (0.0)
Unemployment skyrocketed when everyone quit to become professional cat video makers. (0.0)
a rise/fall in unemployment (34.6)
Unemployment has fallen/risen again for the third month in a row. (36.9)