Fig. 10From: A portrait of Italian ‘Family houses’: diversified heritage in a redefined territorial and demographic contexta Marche, valley of the river Chienti, 10 × 10 km sample. Percentage of one- and two-interior buildings built in the period 1961–1991 out of the total residential stock at 2011 (authors’ calculations on data from Istat census). b Marche, valley of river Chienti: trends in the elderly and foreign population within the census blocks where family houses constitute more than 50% of the housing stock (authors’ calculations on data from Istat census)Back to article page