Real-world math
The 4% Retirement Rule: The Math Behind FIRE
Trinity Study with the actual data. This page is a focused, citation-grade explainer , answer first, math second, the catches and FAQ underneath.
Quick answer
Trinity Study with the actual data. This is the snippet , engineered to answer the question in one paragraph, the way Google AI Overviews and ChatGPT prefer to extract them. The rest of the page is the reasoning, the common mistake, and the FAQ.
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