Population is, when unchecked, bound to increase in a geometric ratio while subsistence increases only in an arithmetical ratio.
Population is a specific objectivity, having its own regularities, its own rate of deaths and diseases, its cycles of scarcity, and so on.
Population is a methodology that was originally related to catastrophes and mortality tables, tables that made a quantification of knowledge about the causes of death.
Population is a level of abstraction at which one can pick out constants and regularities in ensembles of elements even when it comes to accidents.
Population is the object of an art of government that involved regulating the population to act in accord with its own inherent laws.
Population is a new technology of power which is not exactly society (i.e. The social body) nor the individual body, but a new body, a multiple body whose heads are uncountable without being infinite).