This municipality has experienced contour changes since 2010:
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 2019
FOR T1 - Enrollment by age and sex in 2019
Total
Enrolled population
Enrolled population in %
Altogether
Male
Female
2 to 5 years old
170
119
70,0
74,7
64,6
6 to 10 years old
230
223
97,0
97,1
96,8
11 to 14 years old
234
230
98,3
99,2
97,2
15 to 17 years old
188
183
97,3
95,6
99,0
18 to 24 years old
321
120
37,4
36,6
38,3
25 to 29 years old
247
6
2,4
2,2
2,7
30 years old and over
3 847
24
0,6
0,6
0,7
Source: Insee, RP2019 principal exploitation, geography at the 01/01/2022.