Spain, country in Europe with a large number of tourist visits each year. We now know that Spain has approximately 46,745,800 inhabitants, which becomes one of the European countries more villages, in addition to worldwide. It has a population density of 91 inhabitants per square kilometer. Worth mentioning that the population matures exceeds in large part to the youth, being the average age of the resident population of Spain 40, 2 years. It can be said that thanks to the arrival of several immigrants in recent years, the aging of the population has been something braking.