The net worth or total market capitalization of American International Group (AIG) hovers around $39 billion to $40 billion, fluctuating dynamically during active trading sessions on the New York Stock Exchange. This market valuation reflects its current share price multiplied by its total outstanding common stock, representing a significant corporate restructuring and reduction in scope compared to its massive pre-2008 financial crisis size, following years of strategic divestitures, core business spin-offs, and share buybacks.