Provence-Alpes-Côte d'Azur engineering and business schools. All these institutions of higher learning help contribute to the human capital needed by the region to meet current technological challenges. The region has a total GDP (2012) of €142.4 billion (US $183.1 bn), the third highest in France. It has a per capita GDP of €28,861 (US $37,121), slightly higher than the French average. According to a recent survey, a person living in Provence-Alpes-Côte d'Azur has an average annual income of about €37,489 (US $45,755). The region is one of the most visited of France, and has therefore many well-known museums, mostly in Marseille: the
Alpes-de-Haute-Provence the population, 32.8% of available housing in the department are second homes. The department of Alpes-de-Haute-Provence is one of the least densely populated of France with barely more than 20 inhabitants per km. The population is concentrated mainly in the valleys of the Durance, the Bléone (up to Digne) and the nearby flat lands. The rest of the department is sparsely populated (less than 10 inhabitants per km over most of the territory). Half of the Communes have less than 200 inhabitants, 17 communes have less than 50 and many villages have been abandoned. The towns are small: only Digne-les-Bains