Most people don't realize that turning 75 in America actually means you'll probably live way longer than anyone expected when you were born. The latest Social Security data from 2024 shows a 75-year-old man will likely make it to 86. That's a full 12 years past the original life expectancy of 74. Why does this happen? It comes down to how statisticians crunch these numbers. They take 100,000 hypothetical people and apply real death rates at every age to see who survives year by year. The average age at death becomes the " life expectancy at birth " — but here's where it gets interesting. As Harvard research explains, older adults have already navigated past the biggest risks: infant mortality, accidents, and violence. Think of it like climbing a mountain. The higher you get, the better your odds of reaching the summit become — not because the climb gets easier, but because you've already proven you can handle the difficult terrain below. The numbers tell...
Exploring the Planet & Ourselves