How is polling done around the world?

Pew Research Center conducts polls in many countries other than the United States. But the methodology behind our international surveys can vary from country to country, and what works in one place might not work in another. In the latest installment of our Methods 101 video series, we look at some of the challenges of international polling.

World’s population is projected to nearly stop growing by the end of the century

For the first time in modern history, the world’s population is expected to virtually stop growing by the end of this century, due in large part to falling global fertility rates, according to a Pew Research Center analysis of new data from the United Nations.

Majorities of U.S. veterans, public say the wars in Iraq and Afghanistan were not worth fighting

Nearly 18 years since the start of the war in Afghanistan and 16 years since the U.S. invasion of Iraq, majorities of U.S. military veterans say those wars were not worth fighting, according to a new Pew Research Center survey of veterans. A parallel survey of American adults finds that the public shares those sentiments.

A closer look at how religious restrictions have risen around the world

Over the decade from 2007 to 2017, government restrictions on religion – laws, policies and actions by state officials that restrict religious beliefs and practices – increased markedly around the world. And social hostilities involving religion – including violence and harassment by private individuals, organizations or groups – also have risen since 2007, the year Pew Research Center began tracking the issue.

• Data essay: A closer look at changing restrictions on religion