This section centers on the statistic data complicity about the Spanish military budget. In this way, the objective is to present the more relevant characteristics on the matter. First, we pay special attention to the evolution of the military spending by presenting the budgets and national spending as exterior expenses; following, we expose the figures of the Military investigation and development in Spain. Lastly, we provide the data on arms purchase, in particularly in military investments and destined resources to the special programs of armament (PEAs) and their characteristics. To have an empirical perspective, we extract the information from the States General Budget, and show a minimum period of eight years.