At the time of his passing, David Azrieli's personal net worth was estimated by financial publications like Forbes to be in the multi-billion-dollar range, driven by the massive valuation of the Azrieli Group and his extensive real estate holdings in North America and the Middle East. His accumulated wealth formed the foundational endowment for the Azrieli Foundation, allowing his family to continue distributing hundreds of millions of dollars toward philanthropic initiatives in education, scientific research, and community welfare long after his death.