Définition
All the persons, nationals or foreigners, established in a lasting fashion on the economic territory of the country even if those persons are temporarily absent.
The total population is calculated at a given date. Nevertheless, the annual mean of the number of inhabitants provides an appropriate basis for estimating the variables of the national accounts or as a denominator in the case of comparisons.This main rule contains however certain exceptions (students in particular).
The The population calculated in anual average of the number of inhabitants provides an appropriate basis for estimating the variables of the national accounts such as the GDP per capita (or for a head).