Population data typically comes in the context of boundaries. City data. County data. Country data. With their Population Estimate Service, NASA provides data at higher granularity. You can request estimated population in the context of a world grid.
World population estimator and gridded data from NASA
Projects by Nathan Yau See All →
How Much We Eat vs. How Much We Need
On average, we use less energy as we age, and so we should eat less. We don’t always adjust soon enough though.
Who is Older and Younger than You
Here’s a chart to show you how long you have until you start to feel your age.