Population Geography

This interactive map shows where Hispanics lived in the United States between 1980 and 2014.

The immigrant population in Texas has grown rapidly in recent decades, reaching 4.5 million in 2014. That puts Texas in a tie with New York for the second largest state immigrant population by size.

The world was home to nearly half a million people ages 100 and older in 2015, more than four times as many as in 1990. And this growth is expected to accelerate.

The nation’s largest annual demography conference, the Population Association of America meeting, featured new research on topics including couples who live in separate homes, children of multiracial couples, transgender Americans, immigration law enforcement and how climate change affects migration.

With so much new infrastructure, 62% of urban areas in China with populations over 100,000 have become less crowded -- even as most gained in total population.

The number of Puerto Ricans living in Florida has surpassed 1 million for the first time, while the Empire State's Puerto Rican population has remained flat.

Last year, 84,000 people left Puerto Rico for the U.S. mainland, a 38% increase from 2010. At the same time, the number of people moving to Puerto Rico from the mainland declined.

The urgency expressed by Pope Francis on global poverty and inequality is grounded in harsh reality. 4.4 billion people – 71% of the global population of 6.2 billion – lived on $10 or less per day in 2011, according to a Pew Research Center analysis of the most recently available data.

On his first papal trip to the U. S., Pope Francis will visit three Northeastern cities that are within a few hundred miles of each other. But while New York City, Philadelphia and Washington, D.C., may be geographically close, their Catholic populations look different from one another in several ways.