That's mean wealth, not median wealth. Mean millenial wealth at 34[0] is $345,000 and median millenial wealth at 38[1] is $130,000. Given that inequality has been rising steadily in the US over the past 30 years, the mean and median wealth of Gen Xers and boomers were almost certainly closer to each other than for millenials.

0: your source has mean at 34 in 2025, https://www.stlouisfed.org/open-vault/2025/june/the-state-of... 1: the best I could find was median at 38 in 2022: https://www.stlouisfed.org/on-the-economy/2024/feb/millennia...