Religion and Ethics
Explore Gallup's research.
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Recent Gallup data confirm a significant and growing relationship between religiosity and partisan identity in the U.S.
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Survey researchers face the difficult challenge of meaningfully defining and measuring evangelicals in the U.S. today.
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Former U.S. President Jimmy Carter has been identified as an evangelical for most of his public career, but defining exactly what that means today faces a number of challenges.
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The percentage of Americans with no formal religious identity has increased dramatically since the 1950s, but that increase appears to have leveled off in Gallup's recent data.
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While Pope Francis' comments supporting same sex civil unions were a drastic shift in Catholic church guidance, U.S. Catholics have supported gay marriage for about a decade.
The controversy over the state-based religious freedom laws in Indiana and Arkansas highlights the continuing impact of religion on social and policy issues in this country.