This graphic uses data taken from latest official censuses and projections to rank the largest cities by population.
How far has humanity spread, and where haven't we gone? This graphic maps the extent of humanity’s impact on the world from 1993 to 2009.
For the last 70 years, birth rates for the 49 most populous countries of the world have fallen sharply, heralding an uncertain future.
Using 2022 average PM2.5 concentrations, we've ranked the most polluted cities in the world according to IQAir.
China has dominated global steel production the past few decades, but how did the country get here, and is its production growth over?
Pressures from urbanization in the U.S. housing supply continue, with homeowner vacancies falling to an all-time low of 0.8% by end of 2022.
Where were the largest cities in the world throughout history? This video details the rise (and fall) of the largest cities by population from 3,000 BCE.
These maps show the population density of several countries, using 3D spikes to denote where more people live.
This map juxtaposes nations and Indian states to provide a new perspective on the world's soon-to-be most populous country
Which cities rank as the best places to live worldwide? This map reveals the world's most and least livable cities.
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