Available GCC versions

Ubuntu GCC (deb) packages

Ubuntu version	available GCC versions	gcc-defaults version
25.10 (Questing Quokka)	11, 12, 13, 14, 15	14
25.04 (Plucky Puffin)	11, 12, 13, 14, 15	14
24.10 (Oracular Oriole)	11, 12, 13, 14	14
24.04 LTS (Noble Numbat)	9, 10, 11, 12, 13, 14	13
22.04 LTS (Jammy Jellyfish)	9, 10, 11, 12	11
20.04 LTS (Focal Fossa)	7, 8, 9, 10	9
18.04 LTS (Bionic Beaver)	4.8, 5, 6, 7, 8	7
16.04 LTS (Xenial Xerus)	4.7, 4.8, 4.9, 5	5
14.04 LTS (Trusty Tahr)	4.4, 4.6, 4.7, 4.8	4.8

bold – package is in main

GCC version	Source package
15	gcc-15
14	gcc-14
13	gcc-13
12	gcc-12
11	gcc-11
10	gcc-10
9	gcc-9
8	gcc-8
7	gcc-7
6	gcc-6
5	gcc-5
4.9	gcc-4.9
4.8	gcc-4.8
4.7	gcc-4.7
4.6	gcc-4.6
4.4	gcc-4.4