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
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Unemployment in America, Mapped Over Time
Watch the regional changes across the country from 1990 to 2016.
Cost of College
We know that more education usually equals more income, but as the cost of education continues to rise, the challenge to earn a college degree also increases.