Ever wondered how long global oil reserves would actually last if production stays constant? The numbers are pretty eye-opening. Different regions tell wildly different stories—some countries are sitting pretty with decades of supply, while others are running on fumes. This kind of energy scarcity data matters more than people think. When you're tracking macro trends and commodity cycles, understanding resource depletion timelines helps explain inflation pressures, geopolitical tensions, and broader market dynamics. All of which ripple through crypto markets eventually. Worth thinking about if you're building a long-term investment thesis beyond just price charts.