Distribution of economic entities by legal sector, Total (number)
| 2011 |
| Alger | 97,019 |
| Oran | 52,852 |
| Setif | 47,392 |
| Tizi Ouzou | 37,276 |
| Bejaia | 31,197 |
| Batna | 30,388 |
| Tlemcen | 30,086 |
| Blida | 29,169 |
| Chlef | 26,410 |
| Constantine | 25,729 |
| M'Sila | 23,266 |
| Bordj Bou Arreridj | 22,253 |
| Skikda | 21,701 |
| Mila | 21,334 |
| Djelfa | 21,087 |
| Mascara | 20,975 |
| Boumerdes | 20,572 |
| Annaba | 19,608 |
| Biskra | 19,469 |
| Oum El Bouaghi | 19,075 |
| Ain Defla | 18,496 |
| Relizane | 17,857 |
| Tiaret | 17,829 |
| Sidi Bel-Abbes | 17,450 |
| Medea | 17,353 |
| Mostaganem | 16,742 |
| Bouira | 16,493 |
| Jijel | 16,220 |
| Tipaza | 15,845 |
| Guelma | 15,114 |
| Ouargla | 14,396 |
| El Oued | 13,617 |
| Tebessa | 13,156 |
| Souk Ahras | 11,156 |
| Ain Temouchent | 10,670 |
| El Tarf | 10,228 |
| Laghouat | 9,922 |
| Khenchela | 8,747 |
| Ghardaia | 8,621 |
| Bechar | 8,493 |
| Saida | 7,974 |
| Adrar | 6,546 |
| Tamenrasset | 6,124 |
| Tissemsilt | 5,361 |
| Naama | 5,246 |
| El Bayadh | 4,819 |
| Tindouf | 1,485 |
| Illizi | 1,432 |