I. – The persons taken into account in the population categories defined below are persons residing in the dwellings of a municipality, those residing in communities as defined in V and VI of this article, homeless persons and persons habitually resident in mobile homes.
II. – The population categories are:
1. The municipal population;
2. The population counted separately;
3. The total population, which is the sum of the previous two.
III. – The municipal population of a commune, referred to in 1 of II of this article, comprises:
1. Persons ordinarily resident within the territory of the municipality. The usual residence, within the meaning of this decree, of a person with several residences in metropolitan France, in the collectivities governed by Article 73 of the Constitution, and in the collectivities of Saint-Pierre-et-Miquelon, Saint-Martin and Saint-Barthélemy is:
a) For a minor residing elsewhere because of his or her studies, the residence of his or her family;
b) For a person residing in a community belonging to categories 1 to 3 defined in VI of this article, the community;
c) For an adult residing in a community belonging to category 4 defined in VI of this article, the community ;
d) For an adult residing outside the family residence and outside the community for study purposes, his or her home;
e) For a spouse, cohabitee or person linked by a civil solidarity pact residing outside the family residence and outside the community for professional reasons, his or her family residence;
f) For a person who is not in any of the situations described above, the residence in which he or she resides for the longest period of time;
2. Prison inmates whose headquarters are located in the municipality;
3. Homeless people registered in the municipality;
4. Persons habitually resident in mobile homes, counted within the territory of the municipality.
IV. – The population counted separately, referred to in 2 of II of this article, of a municipality includes:
1. Persons in the situation described in a of 1 of III who reside on the territory of the municipality because of their studies and who have their usual residence located in another municipality;
2. Persons in the situation described in b of 1 of III whose family residence is located on the territory of the commune and who have their usual residence located in another commune;
3. Adults under the age of twenty-five who are in the situation described in c of 1 of III, whose family residence is on the territory of the municipality and who have their usual residence in another municipality;
4. Adults under the age of twenty-five who are in the situation described in d of 1 of III, whose family residence is on the territory of the commune and who have their usual residence located in another commune.
V. – A community is a group of residential premises under the same management authority, the inhabitants of which habitually share a common way of life. The population of the community includes the persons who reside in the community, with the exception of those residing in company housing.
VI. – The categories of community are:
1. Medium or long-stay departments of public or private health establishments, medium and long-stay social establishments, retirement homes, social or similar hostels and residences;
2. Religious communities;
3. Military or similar barracks, quarters, bases or camps;
4. Establishments housing pupils or students, including military educational establishments;
5. Prisons;
6. Short-stay social establishments;
7. Other communities.
VII. – The total population of a group of communes is the sum of the total populations of the communes that make it up.
The municipal population of a group of communes is the sum of the municipal populations of the communes that make it up.
The population of a fraction of a commune is the municipal population calculated for that fraction of a commune.