| Sub-species | Average Eggs per Clutch | Days of Incubation |
| Alexandrine Parakeet (Psittacula eupatria) | 2 – 4 eggs | 28 days |
| Blossom-headed Parakeets (Psittacula roseata) | 4 – 6 eggs | 22 – 24 days |
| Derbyan Parakeets ( Psittacula derbiana) | 2 – 4 eggs | 23 – 28 days |
| Emerald-collared Parakeets (Psittacula calthorpae) | 3 – 4 eggs | 23 days |
| Indian Ring-necked Parakeets (Psittacula krameri manillensis) | 3 – 5 eggs | 23 days |
| Long-tailed Parakeets (Psittacula longicauda) | 2 – 4 eggs | 23 days |
| Malabar Parakeets (Psittacula columboides) | 3 – 5 eggs | 23 days |
| Moustached Parakeets (Psittacula alexandri) | 2 – 4 eggs | 22 days |
| Plum-headed Parakeets (Psittacula cyanocephala) | 4 – 6 eggs | 19 – 23 days |
| Rose-ringed Parakeets (Psittacula krameri) | 3 – 6 eggs | 23 days |
| Slate-headed Parakeets (Psittacula himalayana) | 4 – 6 eggs | 24 – 25 days |
