The short version
- In the US, potty training most often begins between ages 2 and 3, and most children are trained by age 4.
- Look for readiness signs, like staying dry for 2 hours or asking for big-kid underwear, rather than a birthday.
- Keep it positive: neutral words, a child-sized potty, a predictable routine and specific praise.
- Avoid power struggles. Take a break during big life changes, and check with your pediatrician if something worries you.
Who this is for
- Parents of toddlers around 18 months to 3 years wondering when and how to start
- Families who started potty training and hit a setback
- Caregivers and grandparents who want to use the same words and steps as parents
Potty training goes most smoothly when it follows your child’s readiness rather than the calendar. The American Academy of Pediatrics (AAP) describes it as a process that involves both body and mind. A child has to notice their body’s signals, learn the steps of using the toilet, and then want to do it themselves. You can support all three. You can’t rush any of them.
When to start: readiness signs
According to the AAP, children generally show signs of bladder and bowel control between 18 and 24 months. The average age to begin in the United States is between 2 and 3 years, and most children are bowel and bladder trained by 4 years. Training can start whenever parent and child are both ready.
The AAP lists these signs that a child may be developmentally ready:
- Stays dry for at least 2 hours at a time during the day, or is dry after naps
- Shows signs they’re about to pee or poop, like grunting, freezing or squatting
- Can follow simple instructions
- Can walk to and from the bathroom and help undress themselves
- Doesn’t like being in a wet diaper and wants to be changed
- Asks to use the toilet or potty-chair
- Asks to wear “big-kid” underwear
You don’t need every sign. A few, plus your child’s curiosity, is a good starting point.
When to wait
The AAP suggests delaying potty training if your family has just moved or will soon, you’re expecting a baby or recently had one, or there’s a major illness, a death or another family crisis. Big changes make new skills harder, and waiting a few weeks often makes the whole thing faster.
Getting ready
- Choose your words. Pick the words your family will use for body parts, pee and poop, and keep them neutral. The AAP recommends avoiding negative words like “dirty,” “naughty” or “stinky.”
- Get a potty-chair. A child-sized potty with a removable bowl, low enough that your child’s feet reach the floor. Feet flat on the floor helps them relax and push.
- Read potty books together so the idea feels familiar and even exciting.
- Let them watch. Seeing you or an older sibling use the toilet and wash hands afterward is one of the best teachers.
- Tell other caregivers your plan so child care, grandparents and sitters use the same words and steps. The AAP stresses consistency across caregivers.
A step-by-step plan
These steps follow the AAP’s potty training tips.
- Make it a routine. Have your child sit on the potty first thing in the morning, and at predictable times, like after meals and before bath. Sitting for a few minutes with a book is enough.
- Point out the signs. When you notice grunting, squatting or a red face, briefly explain: “Those feelings mean a poop is coming. Let’s go to the potty.” The AAP notes it may take longer for kids to notice the need to pee than the need to poop.
- Hand over control. Talk with your child about being “in charge” of their pee and poop. The more of the process they own, the better.
- Switch to underwear. When training starts, the AAP suggests moving to big-kid underwear (some families use thicker cloth training pants to protect clothing). Disposable training pants can feel just like a diaper.
- Teach hygiene from day one. Show how to wipe carefully. Girls should wipe front to back. Everyone washes hands well afterward.
- Let them flush. Some kids are afraid of the flush, or worry that part of them is being flushed away. Letting them flush when they’re ready gives them control.
- Move up to the big toilet when they ask. Provide a stable step stool so they can brace their feet.
What a practice day can look like
Here’s one example of a gentle routine for a toddler who’s just starting. Adjust the times to your family’s day.
| When | What to try |
|---|---|
| Right after waking | Sit on the potty for a few minutes with a book |
| After breakfast | Another short sit; many kids need to poop after eating |
| Before going out | A quick try, and pack a spare set of clothes |
| After lunch or nap | A short sit, especially if the diaper or underwear is dry |
| Before bath | Try once more |
| Before bed | Last try as part of the bedtime routine |
Keep each sit short, about as long as one book. If nothing happens, that’s fine. Say “Let’s try again later” and move on. Pushing a child to sit for a long time tends to backfire.
Praise that actually helps
AAP guidance is to be specific: “You felt it and walked right to the potty. You did it!” That works better than a generic “good job.” Mastery is its own reward for kids, and the AAP cautions that treats and punishments can distract from the child taking ownership.
If you like charts, our free printable potty practice log is designed to help you and your child notice patterns and progress, not to trade stickers for pee. Some AAP materials do mention small tangible rewards alongside hugs and praise. Whatever you choose, keep it low-key.
Accidents and setbacks
Accidents are part of learning. The AAP recommends a calm, matter-of-fact response with a predictable, non-punitive follow-up, like having your child help clean up.
Avoid power struggles. Toddlers are discovering their independence, and some test limits by holding in poop. Begging, pleading, rewarding and punishing can all keep a child from managing their own toileting. If things are getting tense, take a short break of a week or two and try again.
Regression is common. A child who was doing well may start having accidents after a change in routine, a new sibling, starting preschool or child care, a move, or illness. The AAP’s first step is to have your pediatrician check that there’s no physical cause, such as constipation or a urinary tract infection. Then, if it’s about stress, go back to basics with extra patience.
Nighttime dryness comes later
Staying dry at night is a separate skill that often comes months or even years after daytime training. The AAP notes that some children stay dry at night only when they’re older, and that about 15% of 5- and 7-year-olds wet the bed. Many families keep using nighttime training pants until the child wakes up dry most mornings. If your child is school age and still wetting the bed, or is bothered by it, talk with their doctor.
Children with special health care needs
Some potty training tips may need to be modified for children with special health care needs. The AAP encourages families to talk with their child’s doctor for guidance that fits their child.
When to call your child’s pediatrician
This page is general information, not medical advice. Call your child’s doctor if:
- Peeing or pooping seems painful, or you see blood
- Your child has hard stools or is holding in poop for days
- A child who was trained suddenly has many accidents
- Your child has made little or no progress by age 4
- You’re worried, for any reason
The AAP’s reassurance is worth repeating: most concerns turn out to be minor and resolve quickly, and children do learn, in their own time.
Age and safety checks
- Show kids how to wipe front to back and wash hands with soap after every potty trip.
- If you use a step stool at the big toilet, choose a stable one and stay close while your child climbs.
- Pain when peeing or pooping, blood, hard stools or holding in poop, sudden accidents after being dry, or no progress by age 4 are reasons to call your child's doctor.
Check current recalls for any product at cpsc.gov/Recalls before you buy, and always follow the manufacturer’s age label.
Questions parents ask
What is the right age to start potty training?
There isn't one right age. The AAP says children generally show signs of bladder and bowel control between 18 and 24 months, the average US start is between 2 and 3 years, and most children are trained by 4. Readiness signs matter more than age.
Should I use rewards like candy or stickers?
AAP guidance emphasizes specific praise and letting children take ownership, and cautions that treats and punishments can distract from that. Some families use a simple chart to notice progress. If you do, keep it about celebrating effort, not bribing.
How long does potty training take?
It varies a lot. Some children catch on in days, others over months, and daytime dryness usually comes before nighttime dryness. Progress often comes in spurts with plateaus in between.
My child was trained but is having accidents again. Why?
Setbacks are common, especially with changes like a new sibling, a move or starting child care. The AAP's first step is to have your pediatrician rule out a physical cause, such as constipation or a urinary infection.
Sources and further reading
- The Right Age to Potty Train (opens in a new tab) — HealthyChildren.org (American Academy of Pediatrics)
- Creating a Potty Training Plan (opens in a new tab) — HealthyChildren.org (American Academy of Pediatrics)
- Potty Training: Praise and Reward Your Child's Success (opens in a new tab) — HealthyChildren.org (American Academy of Pediatrics)
- Potty Training Regression (opens in a new tab) — HealthyChildren.org (American Academy of Pediatrics)
- Bedwetting (opens in a new tab) — HealthyChildren.org (American Academy of Pediatrics)
Links to outside organizations are for reference. They do not imply that those organizations endorse KidInfo.