Louis Dirn. This article develops two different aspects of social change : the decline of overpopulation in dwellings and the French opinion on European unification : The overpopulation in the dwellings had known a substantial decline from 1960 to 1980 ; the trend continues, but slower. The peasants enjoy the widest houses, and the workers the littlest, but the main gap is between age groups : the popular youth, who lives in the littlest dwellings, know no improvement, and the aged service class enjoys larger and larger houses. An opinion survey shows that French people, who were largely approving European unification, are now equally separated between sceptics and proselytes. Income and educational gaps appear clearly, but age and occupati...