Current World and U.S. Population

Human Population is increasing. See how quickly the number of people changes right before your eyes.

World Stats World Population

USA Stats US Population

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Popular Resources

People on the Move

Students participate in a "push/pull" simulation to identify reasons people migrate from one place to…

Apple slices represent different areas of the Earth: water, inhospitable land, used arable land, and arable land for farming
Earth: The Apple of Our Eye (elementary)

An apple is sliced into pieces to model the amount of agricultural land being used…

Students use Google Maps to explore transit options and calculate emissions
Let’s Go

Students use interactive mapping to strategize urban transit and determine the most convenient ways for…

Kindergarten student builds a word web and connects more people with more cars
Grade ,
More or Less

Students construct a word web to show the possible cause and effect relationships of a…


Fun PDs for current and future teachers

In-person and online training workshops are held for public and private schools, non-formal education sites, and on university campuses. No matter the venue, participating educators will engage in interactive classroom activities and fine connections to their unique classroom needs.

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10 Years

116,950 educators trained
500 college campuses
6,306 workshops conducted