Defense & National Security

Publics of key NATO member nations blame Russia for the ongoing conflict in Ukraine, but few support sending arms to Ukraine. And half of Russians see NATO as a military threat, while Ukrainians favor joining NATO.

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

About half of Iraq and Afghanistan war veterans (47%) said that they served with a comrade that had been killed. That number rises to 62% among soldiers who were in combat.

Many Americans want control over their personal information and freedom from observation during the activities of their daily lives, but they are not confident that the government agencies or businesses that collect data about them can keep that information private and secure.

Four decades after the controversial war, the Vietnamese public sees the United States as a helpful ally and even embraces some of the core tenets of capitalism.

Many Europeans, especially in the continent's south, hold negative views of immigrants and are concerned about new arrivals from outside the EU.

The U.S. dropping atomic bombs on Hiroshima and Nagasaki has long divided Americans and Japanese: 56% of Americans say it was justified, versus 14% of Japanese.

Adversaries in World War II, fierce economic competitors in the 1980s and early 1990s, Americans and Japanese nonetheless share a deep mutual respect.

Nigerians head to the polls this weekend for a long-delayed presidential election. Here's what they had to say about the state of their country when we surveyed them in the spring of 2014.