Gen Z and millennials are now leading the surge in US gambling. In the second quarter of 2025, Gen Z accounted for 34 percent while millennials contributed to 42 percent of betting activity in the quarter, according to TransUnion’s US Betting Report. These younger demographics are engaging most actively in online sports betting, online casinos, and other digital-first wagering formats, making them the key contributors to overall growth.
The report indicates that 30 percent of US consumers engaged in betting during Q2 2025, up from 25 percent in the same quarter a year earlier. This rise is largely driven by the younger cohorts, who are accelerating adoption of gambling in the digital era. Many of these bettors…