“What Science Says Makes You Happy vs. How You Actually Spend Your Time” – 3M happiness measurements (Mappiness, LSE) mapped against Bureau of Labor Statistics time-use data, visualised as a diverging butterfly chart. [OC]

Data: Mappiness project (LSE, 3M+ real-time happiness observations from 60K people) for happiness scores. American Time Use Survey 2024 (BLS) for time spent.

Social media time from Pew Research 2025. Tool: Google Sheets + D3.js.
Interactive version available.