The time for a child to stop using diapers varies due to individual differences, but typically, many children begin showing interest in the potty and demonstrate the ability to undergo basic toilet training around the ages of 3 to 4. Here are some signs that a child may be ready to stop using diapers:

1. 1.Interest and Readiness: The child shows interest in the potty and toilet training, with the ability to understand and cooperate with the process.

2. 2.Staying Dry: The child can maintain relative dryness for a period, indicating an increasing bladder control.

3. 3.Expressing Needs: The child can clearly express their need to use the toilet, or they may show discomfort after wetting the diaper.

4. 4.Initiating Goodbyes to Diapers: The child may express a desire to no longer wear diapers, possibly because they feel grown-up or observe older children who don't use them.

5. 5.Toilet Seat Training: The child can sit on a regular toilet seat and is beginning to understand how to use it for toilet purposes.

     It's important to note that each child's developmental timeline is unique, and some children may show these signs earlier or later. Parents should respect their child's developmental stage, providing appropriate support and encouragement to ensure that the toilet training process is positive and relaxed. Patience and encouragement are crucial for a child's successful transition during toilet training.