Several government agencies and nonprofit groups gather and publish data on school shootings and other public mass killings. But because of data lags and differing definitions, getting a clear read on overall trends is surprisingly hard.
Religious hostilities increased in every major region of the world except the Americas. The sharpest increase was in the Middle East and North Africa, a region still feeling the effects of the Arab Spring. And China edged into the “high” category for the first time.
Among the world’s 25 most populous countries, Egypt, Indonesia, Russia, Pakistan and Burma (Myanmar) stand out as having the most restrictions on religion when both government restrictions and social hostilities are taken into account.
Blacks are much more likely than whites to express dissatisfaction with the Zimmerman verdict and much more likely to say the case raises important issues about race. Younger Americans are also far more dissatisfied with the verdict than older Americans.
The final days of the George Zimmerman trial attracted modest public interest, with 26% following the news very closely. But blacks were twice as likely as whites to say they tracked the trial "very closely."
The rate of overall non-fatal violent crimes fell to 2,254 per 100,000 Americans in 2011, compared with 7,976 in 1993.
While very important, few believe sexual assault is a bigger problem in the military than outside it, and most say it does not reflect underlying problems with military culture.
National rates of gun homicide, non-fatal gun crime and all non-fatal violent crimes have fallen since the mid-1990s. Explore the trends by age, race and gender in this interactive.
Violence plunged through the 1990s, but has declined less dramatically since 2000. Despite the drop, 56% of Americans believe gun crime is higher today than 20 years ago.
A new global survey of Muslims shows they are deeply committed to their faith and want its teachings to shape not only their personal lives but also their societies and politics.