This municipality has experienced contour changes since 2012:
01/01/2016 – Ay devient commune déléguée (chef-lieu) au sein d'Aÿ-Champagne (51030)
(commune nouvelle).
01/01/2016 – Création de la commune nouvelle d'Aÿ-Champagne en lieu et place des communes
d'Ay (51030), de Bisseuil (51064) et de Mareuil-sur-Ay (51347) devenues déléguées.
In the case of a merger, when the geography of the source indicated under the table
/ graph is after the date of the merger, the data correspond to those of the new municipality.
tableauFOR T1 - Enrollment by age and sex in 2021
FOR T1 - Enrollment by age and sex in 2021
Age
Total
Enrolled population
Enrolled population in %
Altogether
Male
Female
2 to 5 years old
158
111
70,1
74,7
64,9
6 to 10 years old
214
208
97,1
97,1
97,0
11 to 14 years old
218
215
98,3
99,2
97,3
15 to 17 years old
176
172
97,3
95,5
99,0
18 to 24 years old
310
114
36,8
36,1
37,5
25 to 29 years old
244
6
2,4
2,2
2,6
30 years old and over
3 809
23
0,6
0,6
0,7
Source: Insee, RP2021 principal exploitation, geography at the 01/01/2024.