▁ ▁The ▁G ross ▁domestic ▁product ▁( G DP ) ▁of ▁the ▁region ▁was ▁ 4 3 . 3 ▁billion ▁eu ros ▁in ▁ 2 0 1 8 , ▁account ing ▁for ▁ 2 . 5 % ▁of ▁Italy ' s ▁economic ▁output . ▁G DP ▁per ▁cap ita ▁adjust ed ▁for ▁purch asing ▁power ▁was ▁ 2 8 , 2 0 0 ▁eu ros ▁or ▁ 9 4 % ▁of ▁the ▁EU 2 7 ▁average ▁in ▁the ▁same ▁year . ▁The ▁G DP ▁per ▁employee ▁was ▁ 9 6 % ▁of ▁the ▁EU ▁average . ▁ ▁Dem ograph ics ▁▁ ▁The ▁population ▁density ▁in ▁the ▁region ▁is ▁below ▁the ▁national ▁average . ▁In ▁ 2 0 0 8 , ▁it ▁was ▁ 1 6 1 . 5 ▁inhabitants ▁per ▁km 2 , ▁compared ▁to ▁the ▁national ▁figure ▁of ▁ 1 9 8 . 8 . ▁It ▁is ▁highest ▁in ▁the ▁province ▁of ▁An con a ▁( 2 4 4 . 6 ▁inhabitants ▁per ▁km 2 ), ▁and ▁lowest ▁in ▁the ▁province ▁of ▁Mac er ata ▁( 1 1 6 . 1 ▁inhabitants ▁per ▁km 2 ). ▁Between ▁ 1 9 5 2 ▁and ▁ 1 9 6 7 ▁the ▁population ▁of ▁the ▁region ▁decre ased ▁by ▁ 1 . 7 % ▁as ▁a ▁result ▁of ▁a ▁negative ▁migration ▁balance , ▁well ▁above ▁the ▁national ▁average , ▁with ▁a ▁rate ▁varying ▁between ▁ 4 . 9 ▁and ▁ 1 0 . 0 ▁per ▁ 1 , 0 0 0 ▁inhabitants . ▁The ▁A