The system is home to 13.99 billion human beings. The following planets and moons concentrates almost all of the activities in the system: * Earth: 13.45 billion inhabitants producing almost 56% of all the human GDP and 71% that of the system. * Mars: The Bread Basket of Humanity with little more than 107 million people produces 12% of the system's GDP and 31.6% of its food. * Calisto & Titan: The Jupiter's and Saturn's moons with their 46 million inhabitants accounts for 70% of the military strength in the system. With many military academies, three main shipyards, two Navy's bases, 2 million soldiers stationed there and the complete production of weapons concentrated in Io have made the moons to get the nickname Armory of humanity. * Solar Stations: The Solar System is als