4 minBusiness
Billionaire wives and Gen X heirs set to inherit $6.6 trillion by 2035
A new report from wealth-intelligence firm Altrata projects that roughly 5,000 spouses and adult children of billionaires will inherit $6.6 trillion by 2035, with more than 1,235 women set to become inheritors as the ultra-wealthy gender gap narrows.
The world's billionaires have accumulated a record $15.1 trillion in combined wealth, and a third of that fortune is expected to change hands within the next decade. According to a report from wealth-intelligence firm Altrata, approximately 5,000 spouses and adult children are positioned to inherit $6.6 trillion by 2035, marking one of the largest intergenerational transfers of private wealth on record.
Women are projected to be among the biggest beneficiaries of this shift. While only 13% of current billionaires are women, the report notes that more than 1,235 female spouses, representing 90% of billionaire partners, are expected to inherit substantial portions of their husbands' estates. Since men over the age of 60 dominate the ultra-rich cohort, Altrata predicts that the gender gap among the mega-wealthy will narrow considerably over time.
The report suggests that rising female billionaire representation could have broader economic effects. Altrata points to potential growth in entrepreneurial activity and venture capital involvement among wealthy women, expansion of female-focused wealth management services, and a greater influence on large-scale philanthropic efforts. The report notes that billionaire women tend to be more involved in non-profit sectors than their male counterparts.
Adult children of billionaires, particularly those from Generation X, are also set to receive a significant share of the transfer. Altrata found that 23% of expected adult child heirs, typically around age 48, already work with their ultra-rich parents in the primary family business. This positions the so-called latchkey generation to inherit not just cash, but also real estate, shares in listed companies, private businesses, and investment portfolios.
While much attention has focused on millennial and Gen Z heirs, Altrata emphasizes that Gen Xers are by far the most numerous demographic in line to inherit from wealthy parents. Many of these inheritors will take on leadership roles in family businesses spanning manufacturing, consumer goods, finance, and retail, continuing entrepreneurial legacies built over decades.
The report also anticipates that younger inheritors will bring new priorities to the management of their fortunes. Altrata describes these heirs as more digitally savvy and activism-oriented than older generations, with potential interest in new technologies, climate change responses, and impact investing. These preferences could at times conflict with the spending priorities of their parents.
The wealth transfer is unfolding against a backdrop of significant global challenges. Altrata predicts that erosion of the global rules-based order, climate pressures, technological transformation, and changes to the global economy in the age of artificial intelligence will shape the coming years. The report warns that a more unpredictable multipolar world with shifting centers of power will complicate succession planning and wealth preservation strategies for the billionaire class.
Despite these headwinds, the report sees opportunity in the transition. Volatility is expected to create new openings for next-generation billionaires in business, investing, and philanthropy. As trillions of dollars change hands, inheritors will not only take on family fortunes but will also have the chance to reshape how that wealth is invested, spent, and put to work in the global economy.
