This rise takes the number of unemployed in Greece to 1,029,587 people. It also represents an increase of 7 percentage points since November 2010, when unemployment was at 13.9 percent.
The number of employed fell by 9.4 percent (405,786 people) year on year and by 4 percent (164,506 people) month on month.
The unemployment rate for people under the age of 25 reached 48 percent in November 2011.
Greek unemployment figures are not adjusted for seasonal factors.
The average jobless rate in the 17 countries sharing the euro rose slightly to a seasonally adjusted 10.4 percent in November from 10.3 in October.