Glossary
Socialisation period
The early weeks of a kitten's life, roughly two to seven weeks, when gentle handling and new experiences shape how friendly and confident it becomes.
Also called: socialization, kitten socialisation, sensitive period, kitten socialization
The socialisation period is a sensitive stage in early life when a kitten learns what is safe and normal. It begins at about two weeks and is generally taken to last until roughly seven weeks, although it can stretch into the second or third month and the exact limits vary. During this time a kitten that meets people, other animals, household noises and handling in a gentle way usually grows into a more relaxed, friendly cat.
Kittens that meet few people in these weeks, such as those born outdoors, are more likely to stay fearful, though many still become affectionate with patient work. Kittens that are handled in a short, calm session each day from early on tend to do best.
If you have a young kitten, introduce it to the carrier, the vacuum cleaner sound, visitors and the vet in small, rewarded steps. Keep strong or frightening experiences away from it. Ask your vet for a vaccination plan before the kitten meets unfamiliar cats or visits risky places, since the social window overlaps with the time when it is still building its immunity.
Last reviewed November 7, 2026