Soccer ball size by age — and which ball to buy

Circumference and weight ranges are AYSO's published figures for each division. Your league may differ at the margins — a few run size 4 a year early or late — so check your club's rules before a first game.

That chart is genuinely the whole answer to the most common question in youth soccer gear, and it is worth understanding why it exists. A size 5 ball weighs up to 16 ounces. An eight-year-old kicking one repeatedly is loading a growing leg with a ball that is disproportionately heavy for them, and they cannot strike it cleanly, so they learn to toe-poke instead of striking properly. The smaller sizes are not a concession — they are how a kid develops technique.

Which size, for which level

Ball size maps almost exactly onto the level structure this site is built around, which is why the two work well together:

• Size 3 covers U6 first kicks and U7–U8 rec. See the size 3 picks.
• Size 4 covers U9–U10 and U11–U12 — a four-year stretch, which makes a size 4 the longest-serving ball you will buy. See the size 4 picks.
• Size 5 starts at U13 and travel club and never changes again. See the size 5 picks.

The two transition points are worth a page each, because they are where parents actually get stuck and buy the wrong thing: size 3 vs size 4 and size 4 vs size 5.

What actually differs between balls at the same size

Once the size is settled, three things separate a fifteen-dollar ball from a fifty-dollar one, and only two of them matter for a kid.

The bladder — this one matters

Butyl bladders hold air far longer than latex ones. That is the difference between pumping the ball up once a month and pumping it up before every session, which in practice is the difference between a ball that gets used and a soft lump in the garage. adidas's Starlancer family uses butyl and it is the main reason to prefer it over the cheapest supermarket balls.

The carcass — this one matters for a yard ball

The layers under the cover are what keep a ball round. A nylon-wound carcass, which adidas lists on the Starlancer V, is what survives a season of being kicked against a brick wall. A cheap ball goes oval and then never recovers.

The seams — this one mostly does not, yet

Thermally bonded seams are more durable and more waterproof than machine stitching, and hand-stitched match balls fly more predictably. Both are real. Neither is worth paying for below roughly U12, because a nine-year-old is not striking the ball hard enough or consistently enough to notice. From U12 or so, a proper match ball like the Select Numero 10 starts to be a genuinely better ball rather than a more expensive one.

Indoor is a different ball, not a smaller one

If your kid plays a winter indoor or futsal season, a regular outdoor ball is the wrong equipment. Futsal balls have a deliberately low bounce — Select fills the bladder with microfibre polyester to kill the rebound — because the game is played on a hard surface in a small space, and a normal ball would spend the session in the rafters. A low-bounce ball is also why futsal develops close control so well.

Futsal sizing runs on its own numbering, which catches people out. Select's Talento range is graded by age instead: Talento 9 for U8–U9, Talento 11 for U10–U11, Talento 13 for U12–U13. That is the clearest labeling in the category. See the indoor and futsal ball picks.

How many balls does a kid actually need?

Two, and they do different jobs. One that lives in the gear bag and goes to training and games, and one that lives outside and gets left in the rain. Trying to make one ball do both means either the good ball gets ruined or the kid has nothing to kick about with in the yard. Both can be cheap; the second one should be.

If you are buying a first ball and do not own a pump, buy a bundle. Every ball arrives deflated, nobody mentions this, and discovering it at 8am on a Saturday is a specific kind of misery.