According to data from the Centers for Disease Control and Prevention (CDC), in 2021 alone, an average of 607 children aged 12 or under died in accidents. The same source reports that in 2020, an additional 63,000 suffered injuries. These disturbing numbers underscore the importance of implementing child safety measures within vehicles, such as adhering to booster seat expiry dates.

Child safety seats, including booster seats, are important in mitigating the risk of injury or fatality during vehicular accidents. Nevertheless, their efficiency fades with time. This is where booster seat expiry dates come in place. These dates are far from arbitrary; they substantially impact your child’s safety during vehicular journeys. 

Child safety stands as the paramount concern for every devoted parent. Parents make important decisions to safeguard their children’s well-being from the moment of their birth. For this reason, in this comprehensive article, I will answer an important question: Why do car seats have expiration dates? I will also help with ideas about what to do with an old car seat and what you can do to maximize their lifespan and your child’s safety.

The Purpose Of Booster Seats

booster seat expiration

Before delving into the essential understanding of booster seat expiration dates, it is paramount to comprehend the purpose of booster seats. These meticulously engineered seats serve an important function of bridging the safety gap between child restraint seats and adult seat belts. They typically cater to children who have outgrown their forward-facing car seats but have not yet reached the required height to utilize adult seat belts safely.

A booster seat’s primary objective is to accurately position the child within the vehicle seat, ensuring that the seat belt aligns perfectly. When used correctly, these booster seats significantly reduce injury risks in a collision by guaranteeing the proper alignment of the seat belt with your child’s body. 

This alignment keeps the lap belt lying low across the child’s hips, and the shoulder belt intersects the chest and shoulder at optimal angles.

Why Do Car Seats Have Expiration Dates?

booster seat expiration

Booster seats, like many other products, bear expiration dates for several compelling reasons, including the following:

Evolving Safety Standards

One of the pivotal rations for establishing expiration dates for booster seats is the continuous enhancement of safety standards. Regulatory entities like the National Highway Traffic Safety Administration (NHTSA) continuously change safety standards for child restraint systems. These adaptations result from ongoing research, rigorous crash testing, and the assimilation of real-world crash data.

As safety standards undergo evolution, manufacturers must adapt by producing booster seats that comply with the most recent requisites. The imposition of an expiration date is critical to ensure that parents and caregivers use seats that adhere to the latest safety guidelines. 

Using an outdated booster seat may expose your child to elevated risks during vehicular accidents, as the seat may no longer conform to the prevailing safety standards.

Material Deterioration

Booster seats are subjected to many environmental conditions and endure wear and tear throughout their lifespan. The materials used to construct these seats can deteriorate over time, caused by factors such as sunlight exposure, extreme temperatures, and general wear and tear. 

This degradation can compromise the structural integrity of the booster seat, thereby diminishing its efficacy in safeguarding your child during collisions.

Expiration dates account for the projected lifespan of the materials used in the seat, ensuring that the booster seat retains its safety and reliability throughout its intended usage. Replacing an expired booster seat guarantees that the materials are in optimal condition and are capable of delivering the necessary protection.

Technological Advancements

Advancements in technology and design can significantly impact the safety of booster seats. Manufacturers develop new features and breakthroughs that enhance the overall performance of these seats. An expired booster seat may lack these pivotal safety features, rendering your child susceptible to potential harm.

The imposition of expiration dates encourages parents and caregivers to invest in the latest models, which are more likely to incorporate cutting-edge safety enhancements. This ensures that your child benefits from the best protection available at any given time.

Product Recalls

Occurrences of child safety seat recalls are not uncommon. Manufacturers occasionally identify safety defects in their products after they have entered the market. In such instances, they issue recalls to rectify these issues and furnish repairs or replacements to affected customers.

Expired booster seats may be ineligible for recall-related remedies, as manufacturers limit these programs to sold models within specific timeframes. To secure your child’s booster seat eligibility for recall services if necessary, employing a seat that aligns with its recommended expiration date is imperative.

How To Find The Expiration Date On Your Booster Seat

When do car seats expire? This question comes to mind when someone mentions that car seats have expiration dates. The ability to locate the expiration date on a booster seat is a pivotal step in ensuring your child’s safety. 

Manufacturers commonly inscribe this information in a conspicuous spot on the seat, including the bottom or rear of the seat shell or an affixed label on the fabric covering. The expiration date is typically stamped or printed, encompassing the month and year. 

It’s essential to check this date before using or purchasing a booster seat. If you encounter difficulty locating the expiration date on your booster seat or if it has become illegible due to wear and tear, consult the seat’s user manual or contact the manufacturer for assistance.

It is of utmost importance never to employ a booster seat without being able to identify its expiration date, as doing so may compromise your child’s safety.

What To Do When A Booster Seat Expires

booster seat expiration

When your car seat expires, you may wonder what to do with an old car seat. Below are actions to do when your booster seat expires:

Action Details 
Research and select a new seat.Search for the latest models of booster seats available in the market. Seek models that boast exceptional safety ratings and align with your child’s age, height, and weight.  Consider looking for trustworthy guidance from safety organizations; the insights from parenting forums can be invaluable in making an informed selection.
Follow the installation instructions.After securing a new booster seat, carefully read the user manual. Following the manufacturer’s installation instructions is the key to ensuring the seat’s optimal performance. Proper installation is non-negotiable for guaranteeing your child’s safety while on the road.
Dispose of the expired seat properly.Discarding an expired booster seat demands a sense of environmental responsibility. Connecting with local waste management authorities is imperative to ascertain the approved disposal methods for child safety seats. Many communities offer recycling programs and guidelines specifically tailored to such items.
Avoid handing down expired seats.While sharing baby and child gear is common among parents, it’s paramount to refrain from passing down expired booster seats. This well-intentioned gesture may inadvertently jeopardize another child’s safety. Instead, advocate for adherence to safety guidelines and acquiring new booster seats when required.
Maximizing the lifespan of your booster seat.Although booster seats have expiration dates, proactive measures can be taken to extend their lifespan and ensure their safety.
Registration of your seat.Upon acquiring a new booster seat, promptly register it with the manufacturer. This facilitates receiving critical safety updates, recall notifications, and product information. Staying well-informed is the cornerstone of safeguarding your child’s seat.
Regularly inspect and clean.Regularly inspect your booster seat for any wear, damage, or degradation. Particular attention should be directed towards the condition of harnesses, straps, buckles, and padding. Cleaning the seat according to the manufacturer’s recommendations is essential to prevent the accumulation of dirt and debris that could compromise its performance.
Store properly.Storing the booster seat in a secure, dry location is recommended when not in use. Avoid exposure to direct sunlight or extreme temperatures, as these factors can expedite material deterioration. A booster seat bag or cover can shield it from environmental influences.
Follow height and weight guidelines.Store your booster seat in a secure, dry location when not in use. Shield it from direct sunlight and extreme temperatures, as these factors can hasten material degradation. Using a booster seat bag or cover offers additional protection against environmental influences.
Replace after a crash.Continuously verify that your child meets their booster seat’s height and weight requirements. Using a seat ill-suited to your child’s dimensions can undermine their safety. Detailed guidance on these specifications can be found in the seat’s user manual.


Booster seat expiration dates are vital, rooted in the commitment to safeguard your child and align with the ever-advancing landscape of safety protocols, technological enhancements, and material integrity. 

As a conscientious parent or caregiver, it is imperative to grasp the profound importance of these expiration markers and proactively respond when your booster seat nears the end of its designated lifespan.

Never overlook the imperative task of verifying the expiration date affixed to your child’s booster seat, and dutifully adhere to the manufacturer’s guidelines for replacement. By adhering to this practice, you fortify your child’s security during vehicular journeys, ensuring their unswerving protection on the road. 

The paramount concern should consistently be enhancing your child’s safety, and comprehending booster seat expiration dates epitomizes a pivotal stride in realizing this objective.


Welcome to my car seat blog! As a mom of 3, I put together with other hard-working moms a highly informative one-stop car seat resource, full with many reviews and buyer guides. I hope you find it invaluable. Thank you for trusting me & my team! - Keren

Keren Simanova

Welcome to my car seat blog! As a mom of 3, I put together with other hard-working moms a highly informative one-stop car seat resource, full with many reviews and buyer guides. I hope you find it invaluable. Thank you for trusting me & my team! - Keren