Thinking, Fast and Slow · chapter 35 · id thinking-fast-and-slow-c35-03-emotional-well-being-plateaus-

“Emotional well-being plateaus at an annual income of approximately $75,000, after which more money does not increase day-to-day happiness.”

contestedconfidence: high✓ ZHP-verified + red-teamed

Receipts

Kahneman & Deaton (2010), PNAS 107(38)DOI registry: valid

Analyzing ~450,000 Gallup survey responses: life evaluation continued to rise with income log-linearly. Emotional well-being (positive affect, absence of stress/sadness) plateaued at approximately $75,000/year.

Killingsworth (2021), PNAS 118(4)DOI registry: valid

Using real-time experience sampling with ~33,000 employed US adults, experienced well-being continued to rise with income well above $75,000 with no plateau. Argued the Kahneman-Deaton plateau was an artifact of coarse binary affect measures.

Killingsworth, Kahneman & Mellers (2023), PNAS 120(10)DOI registry: valid

Adversarial collaboration reconciliation: for ~80% of people, well-being rises with income above $75K (Killingsworth correct). For the unhappiest ~20%, well-being plateaus around $100K (Kahneman-Deaton pattern). For the happiest people, well-being accelerates with income. Both we

This claim is a stable, citable object. If you can falsify a verdict, tell us — corrections are loud here.