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Data visualizations show global population, how people of different age groups spend time, and one statistical impact of population density.
In 2019, the Pew Research Center projected that the declining fertility rate will cause population growth to slow dramatically by the end of the century.
An aging population spends time differently. This chart from Our World in Data shows which groups people in the U.S. spend the most time with at different ages.
On the blog Greatest Common Factors, this chart shows a correlation between lower population density and higher suicide rates.