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
People get married at various ages, but there are definite trends that vary across demographic groups. What do these trends look like?
Interactive: When Do Americans Leave For Work?
We don’t all start our work days at the same time, despite what morning rush hour might have you think.
Watching the growth of Walmart – now with 100% more Sam’s Club
The ever so popular Walmart growth map gets an update, and yes, it still looks like a wildfire. Sam’s Club follows soon after, although not nearly as vigorously.