YEREVAN.- Armenia’s de facto population is 2,871,509, says the report on preliminary results of the 2011 census.

According to the national statistical service, the preliminary operational indicator of enumerated population during the 2011 Population Census is 3,285,767.

The previous 2001 census showed Armenia’s population makes 3,458,303.

During the last ten years 173,000 left the Republic, while 12.6% of enumerated citizens are out of Armenia.