George Gao

Members of Congress today are less likely to be immigrants, especially compared with other periods of history when surges of new arrivals occurred, a new analysis by the Pew Research Center finds.

This region in Eastern Europe has been predominately female since at least WWII.

As a whole, Latin America enjoyed solid economic growth in the first decade of this century, with a fall in poverty, a decrease in income inequality and a rise of its middle class.

Today nearly six-in-ten (57%) say they would not be upset if they had a child come out as gay or lesbian, according to our survey conducted in May.

Over the course of history, many scientists and activists have raised alarm about population numbers that only increase every year.

Pew Research Center has been studying various dimensions of the issue. Here are some key findings from our public opinion surveys.

Here’s a roundup of our most-visited blog posts over the past year, along with some insights into the editorial thinking behind them.

Half of Americans (48%) say two is the ideal number of children for a family to have, reflecting a decades-long preference for a smaller family over a larger one.

Today, 60% of parents have checked their teenagers' profile on a social networking site.

The latest figures show that 66% of mothers who gave birth to their first child between 2006 and 2008 worked during pregnancy, up from 44% in the early 1960s.