This municipality has experienced contour changes since 2011:
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 2020
FOR T1 - Enrollment by age and sex in 2020
Total
Enrolled population
Enrolled population in %
Altogether
Male
Female
2 to 5 years old
164
115
70,1
74,7
64,7
6 to 10 years old
222
215
97,0
97,1
96,9
11 to 14 years old
226
222
98,3
99,2
97,2
15 to 17 years old
182
177
97,3
95,5
99,0
18 to 24 years old
316
117
37,1
36,4
37,9
25 to 29 years old
245
6
2,4
2,2
2,7
30 years old and over
3 825
24
0,6
0,6
0,7
Source: Insee, RP2020 principal exploitation, geography at the 01/01/2023.