America's use of torture, though, was widely condemned, with people in the 40 countries included in the study declaring the practice against suspected terrorists was not justified.
Internationally, the global median of public perception of the US was 69 per cent favorable and 24 per cent unfavorable. The US airstrikes in Iraq and Syria against IS fighters drew 62 per cent support and 24 per cent opposition.
Those numbers were in stark contrast to the US invasion of Iraq in 2003, which was generally viewed unfavorably abroad.
A median of 50 per cent of global respondents felt the use of such tactics were not justified, compared to 58 per cent of respondents in the US who felt the methods were warranted.
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The use of torture was laid bare in a 2014 US Senate report about the interrogation of Al-Qaeda suspects following the September 11, 2001 terrorist attacks.
People around the world generally supported US President Barack Obama, with a median of 65 per cent having confidence in the second-term leader.
The move has raised tensions between the US and China, which is angling for more control of the strategic South China Sea.
Favoring the US "pivot" to Asia were some 71 per cent of people in the Philippines and Vietnam, 58 per cent of Japanese and 50 per cent of South Koreans.
Around 54 per cent of Malaysians polled opposed the greater US military commitment to the region, which a majority of Chinese interpreted as an attempt to try limit China's growing power.
The US had a 9-point ratings edge over China in Africa and Asia, a 28-point margin in Europe, and a 10-point lead in Latin America.
The converse was true for the Middle East, where China had a far better image, with 52 per cent support, compared to 29 per cent favorable for the US.