When you choose where to live, open a store, allocate a public budget or design a marketing campaign, population data by ZIP code is often the missing piece that makes your decision truly data‑driven.

Expertise from Forbes Councils members, operated under license. Opinions expressed are those of the author. Data collection has been the Achilles heel of all research endeavors. Proper data can be ...

Pew Research Center designed this study to assess the current state of online survey sampling methods – both probability-based and opt-in – and determine their accuracy on general population estimates ...

Andrew J Tatem works for the University of Southampton, and is Director of WorldPop. His research on mapping populations has been funded by donors such as the Gates Foundation, Wellcome Trust, GAVI.

D. Yaw Atiglo does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...