The time between Toy Story and Toy Story 2 was approximately four years. This gave the creators enough time to come up with new and exciting storylines and characters for the second installment.
It was around four years from the release of Toy Story to the release of Toy Story 2. During that time, a lot of work went into perfecting the sequel to make it just as amazing as the first one.
The gap between Toy Story and Toy Story 2 was about four years.