Among the 32 places surveyed, support for legal same-sex marriage is highest in Sweden, where 92% of adults favor it, and lowest in Nigeria, where only 2% back it.
Wide majorities in most of the 17 advanced economies surveyed say having people of many different backgrounds improves their society, but most also see conflicts between partisan, racial and ethnic groups.
A median of 45% across 34 surveyed countries say it is necessary to believe in God to be moral and have good values. However, public opinion on this question, as well as the role of God, prayer and religion varies by country, region and economic development.