The Dutch Gaming Authority, KSA, said growth in the Netherlands' legal online gambling market remained unchanged in the second half of 2025, with gross gaming result and player channelisation showing little movement from the previous reporting period.
In its Spring 2026 monitoring report, the regulator said online gross gaming result, or stakes minus prizes paid out, reached €602m ($655.6m) in the second half of 2025. That compared with €600m in the first half of the year, with online gross gaming result holding at about €100m per month.
Compared with 2024, however, the figure was down about 18%.
KSA said the number of monthly active gambling accounts increased to an average of 1.38 million in the second half, up from 1.29 million in the first six months of 2025. It linked that rise to the net deposit limit introduced in October 2024, which reduced the amount players could deposit through a single account without submitting income information.
Because one person can hold multiple accounts, KSA estimated the actual number of monthly players was lower at around 500,000.
The regulator said about 91% of Dutch gamblers used only legal providers, a level it described as stable over recent years. Measured by money spent, channelisation was lower at 53%, though higher than the 49% estimate in the previous report after KSA corrected earlier figures.
KSA said the lower money-based channelisation rate may reflect stronger player losses on illegal sites, where protections are weaker or absent.
Average monthly player loss also moved higher in the second half of the year, rising to €124 from €117 at the start of 2025. Young adults aged 18 to 24 accounted for 22% of active accounts, despite making up 9.3% of the adult population.
KSA said this group lost less per account on average than older adults and showed relatively higher participation in sports betting.
Earlier this week, KSA said it had funded five projects through its Addiction Prevention Fund to support early detection, treatment guidance and services for people affected by gambling-related harm, including relatives and other close contacts.
Young adults lost an average of €34 per month per active account in H2 2025, compared with €73 for older adults
