[Topic][Open] Open Discussion Thread — Anybody can post a general visualization question or start a fresh discussion!

[OC] How Much Has An Average American Saved Up For Retirement - By Age/Generation

[OC] I tracked my baby’s sleep for the first 150 days of life

World map by population per country (over 12,000 years)

[OC] I am a PhD student at MIT, and I've tracked every "productive" activity I've done since 2019--here are some of my stats

[OC] There is a strong correlation (r=0.74) between a country's Democracy Index and how skeptical it is of AI (data from 2025 KPMG study)

[OC] How Netflix Turned $11.1B in Revenue into $3.1B Profit in Q2 FY25

Trader Joe's Geographic Reach Visualized [OC]

​[OC] Share of World GDP (PPP) by Major Economies (1990–2025)

[OC] Strava Runs Visualized

[OC] ECG Polar Clock: Visualizing Heart Rate Variability over morning commute

[OC] OpenAI’s Valuation vs. Model Progress (2023–2025)

Al Capone's Chicago operations mapped by location and year (1919-1931)

The Histomap of the World - John B. Sparks

Plotting a 5-Year look at my daily Emails (sent & received) in my white-collar job since starting. [OC]

Rocket League Wrapped 2025 (full data deck in the description) [OC]

My 5 year rock climbing journey

My stress level before and after my water main burst

[OC] World economy, but drawn as tiles: 2000 vs 2025 (each country is population × GDP/capita) (Large Images!)

The True Cost of Homeownership Index: Annual Hidden Expenses Across America's 50 Largest Cities

My stress level before and after my water main burst

[OC] Latest Oakland Crime & Car Break-In Hotspots 2025 Nov🛡️🚗

[OC] Iconic European Rail Routes

[OC] East Asian and South Asian Distribution in Canada

European Refugees to the UK (1988-2024) Snapshot 2017 [OC]