Explore the top countries of origin for immigrants in each state from 1850 to 2013.
Who developed the polio vaccine? Does water boil at different temperatures based on altitude? Which is the hottest of Earth's three layers? Take our science quiz and see how you compare with Americans overall.
A look at how researchers analyzed news habits on Twitter using a small but representative sample of users drawn from a national survey of U.S. adults.
For much of its history, America has discussed race in the singular form. But the language of race is changing. Ten multiracial Americans share their views of race, identity, relationships and the future.
In 2015, the percentage of the population age 65 or older in Germany and Italy are already at a level the U.S. may reach in 2050.
There were 54 million Hispanics in the United States in 2013, comprising 17.1% of the total U.S. population. In 1980, with a population of 14.8 million, Hispanics made up just 6.5% of the total U.S. population.
Explore the geographic distribution and demographics of America's major religious groups.
Take our latest News IQ quiz and see how you compare to the others who answered the questions as part of a national survey.
Our interactive graphic compares the generations today and in the years that each generation was young (ages 18 to 33) to demonstrate this sea change in the activities and experiences of young adults that has occurred over the past 50 years.