Americans see a number of economic threats from China, but they are also worried about cyberattacks, Bejing's human rights record, China's impact on the environment and its growing military strength.
Despite historical and territorial frictions, people in Asia-Pacific countries tend to view their neighbors in a positive light. But they express limited confidence in the region's most prominent national leaders.
Majorities or pluralities in 31 of 40 countries surveyed hold an unfavorable opinion of the Islamic Republic. And in several Muslim-majority countries in the Middle East and Asia, ratings have declined considerably in recent years.