The Solar System alone has, according to different estimates, enough material and energy to support anywhere from several thousand to over a billion times that of the current Earth-based human population.
Eri hinnangute järgi on ainuüksi Päisesesüsteemis piisavalt energiat ja materjale, et hoida üleval tuhat kuni mitu miljonit korda praegusest Maal elavatest inimestest.