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# KSA Young Adult Gambling Data Upend an Old Assumption
- URL: https://www.igamingnews.biz/netherlands-ksa-young-adult-gambling-data/
- Published: 2026-08-26T12:00:00.000Z
- Updated: 2026-08-26T15:54:12.000Z
- Description: The Netherlands gambling regulator KSA found 72% of new young-adult accounts play only casino games first, not sports betting, and plans new protections.
- Author: iGamingNews Editorial Desk
- Tags: Bettors Corner, Netherlands, Responsible Gambling

*Image credit: Source: Kansspelautoriteit published research. Never imply stock depicts the actual event.*

**The Netherlands' gambling regulator, the Kansspelautoriteit (KSA), published young adult gambling data on August 20 showing that 72% of new bettors aged 18-24 play only casino games in their first month with a legal operator, against just 11% who stick to sports betting alone, the opposite of the pattern the regulator had assumed when it built its youth-protection policy.** The KSA said flatly that its working theory, that young adults start with sports betting and drift into other products later, "proved incorrect."

The second number that stands out: 41% of all new accounts opened by 18-to-24-year-olds belong to someone who has just turned 18\. One in nine of those accounts is created on the exact day of the 18th birthday, and 38% go live within the first month after it. Average spending in that first month runs to 111 euros for the 18-24 group, compared with 209 euros for accounts opened by people 24 and older, so younger sign-ups spend less at the start, but they arrive faster and in a tighter cluster around the one date that makes them legally eligible.

The findings come from three separate studies the KSA released together. One tracked new 18-24 accounts through their first three months using the regulator's own Control Database, the transaction-monitoring system Dutch-licensed operators must feed. A second, run by youth-research firm Youngworks for health-research funder ZonMw, used app-based diaries and interviews to map how people under 18 first encounter gambling, mostly through legal products accessed indirectly: a parent's scratch card, a shared account with an older sibling or friend, framed as a harmless group activity rather than a risk. A third surveyed nearly 30,000 students at MBO institutions, the Dutch vocational-education track for 16-to-20-year-olds, using the TestJeLeefstijl lifestyle questionnaire. It found 68% of MBO students do not gamble at all, one in ten gambles monthly or more, and 28% of the underage students in the sample said they had gambled in the past year.

None of the three studies is a rule change. Nothing about how a Dutch operator can onboard a customer is different this week than it was last week. What changed is the evidence base the KSA says it will use to decide its next move: the regulator states it will develop further protective measures with the Dutch ministry responsible for gambling policy, under the multi-year agenda it has been running against gambling-related harm. A regulator that spent 2026 naming under-24s and illegal sites as its top two supervisory priorities, [as it set out in its own priorities document in June](https://www.igamingnews.biz/netherlands-ksa-2026-priorities/), has now published the data that will shape whatever it does with that priority next, most plausibly around how casino products specifically are marketed and onboarded to brand-new 18-year-old accounts, since that is where the research says the exposure actually concentrates.

**What this means if you are, or know, a bettor in that age bracket:** the moment you become legally able to open an account is, on this data, the single riskiest moment in the whole relationship. Spending is lower in that first month than it will be later, but the timing is not random, a large share of the Dutch market's newest customers sign up within days of turning 18, and the product they land on first is overwhelmingly casino games rather than sports markets. If a deposit limit or a cooling-off prompt is going to matter, the KSA's own numbers suggest it matters most in that opening window, not months in.

The picture sits alongside how other regulators in comparable markets are already handling the same problem from different angles. [The UK's financial-risk-check regime asks operators to look at what a customer can afford before losses escalate](https://www.igamingnews.biz/financial-risk-checks-uk-bettors-explained/), a check built around ability to pay rather than age at signup. [Sweden's Spelpaus self-exclusion system now runs as a real-time API duty rather than a manual check](https://www.igamingnews.biz/sweden-spelpaus-self-exclusion-api-rules/), so an excluded account is blocked everywhere at once rather than site by site. Neither addresses the specific pattern the KSA just documented, a birthday-driven rush into casino products before any losses have accumulated to trigger either kind of check. The Dutch data also lands against a backdrop of [enforcement across the Netherlands increasingly reaching the enablers around unlicensed gambling, not just the operators themselves](https://www.igamingnews.biz/netherlands-gambling-enforcement-enablers/), which is the other half of the KSA's 2026 focus alongside youth protection.

The under-18 findings carry their own separate warning, distinct from the account data. Youngworks found that gambling exposure below the legal age happens almost entirely through legal channels used informally, not through illegal sites, which is a harder problem to police because there is no operator account to flag or restrict. A parent buying a scratch card and letting a child scratch it is not a compliance failure anywhere in the current system, but the KSA's own research now says that is one of the more common ways Dutch teenagers first encounter gambling as something normal.

## The regulator built policy on an assumption the data did not support

The KSA is not alone in having guessed wrong about how its newest legal customers actually behave, and its response, publishing the correction openly rather than quietly revising an internal model, is itself worth noting for other regulators watching the same 18-24 cohort. For a bettor who just aged into the market, the practical takeaway is narrower: the account you open in the week of your 18th birthday is, on the KSA's own numbers, the one most worth pausing over before you fund it.

**Related:** [KSA Sets 2026 Priorities: Illegal Sites and Young Players](https://www.igamingnews.biz/netherlands-ksa-2026-priorities/) | [Sweden Turns Spelpaus Self-Exclusion Into a Real-Time API Duty](https://www.igamingnews.biz/sweden-spelpaus-self-exclusion-api-rules/) | [UK Financial Risk Checks: What Bettors Need to Know](https://www.igamingnews.biz/financial-risk-checks-uk-bettors-explained/) | [Netherlands Gambling Enforcement Targets Enablers](https://www.igamingnews.biz/netherlands-gambling-enforcement-enablers/)