New estimates are casting fresh doubt on the size of the so-called great wealth transfer, the large-scale shift of assets expected to move from one generation to the next. According to CNBC, two separate studies put that figure far apart, with one estimate topping $100 trillion and another closer to $36 trillion.

The wide gap shows how difficult it is to measure future inheritance and asset transfers. Different assumptions, methods and definitions can lead researchers to very different conclusions about how much wealth will actually change hands and over what period.

Those differences matter because the projected transfer has become a major theme in discussions about investing, estate planning and the future of family wealth. A higher estimate suggests a much larger financial and social impact, while a lower one points to a more limited shift in assets.

The debate is not only about the total dollar amount. It also reflects broader questions about who will receive that wealth, how it may be used and what it could mean for high-net-worth families, financial firms and the broader economy in the years ahead.