Numbers, Facts and Trends Shaping Your World

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    Members of Congress: Religious Affiliations

    Explore the religious affiliation of each of the members to be sworn into the 114th Congress on Jan. 6, 2015. Data were compiled by CQ Roll Call and the Pew Research Center’s Religion & Public Life Project.

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    Jews

    As of 2010, there were nearly 14 million Jews around the world. In 2050, the Jewish population is expected to number about 16 million. The share of the world’s population that is Jewish – 0.2% – is expected to remain about the same in 2050 as it was in 2010. Over the next few decades, […]

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    Table: Percentage of Congressmen by Religious Affiliation

    Display: Number | Percentage Religion 87th 91st 96th 101st 106th 111th 112th 113th 114th Net change (’61-’62) (’69-’71) (’79-’80) (’89-’90) (’99-’00) (’09-’10) (’11-’12) (’13-’14) (’15-’16) 87th-114th Protestant 74.8% 70.9% 63.7% 60.7% 59.0% 55.1% 57.4% 56.1% 57.2% -17.6% Baptist 11.7% 9.9% 10.3% 10.3% 13.1% 12.4% 12.7% 13.7% 14.8% +3.1% Methodist 18.2% 16.5% 14.6% 14.6% 12.0% 10.7% […]

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    Chapter 3: Religious Beliefs

    For more recent survey data about religion in Latin America, read our 2026 report “Catholicism Has Declined in Latin America Over the Past Decade.” The Pew Research survey finds that nearly all Catholics and Protestants in most Latin American countries believe in God. In a number of countries, most of those who are unaffiliated with any religion also say […]

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    Appendix B: Glossary

    Afro-Caribbean/Afro-Brazilian/indigenous religions Traditions that combined African beliefs and practices, which initially were brought to the Caribbean and South America by African slaves, with religious beliefs and practices that were native to the region. Examples include Candomblé, Santeria and Umbanda. Candomblé Religion based on African beliefs that is very popular in Brazil. The religion mixes traditional […]

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    Chapter 6: Views on the Economy and Poverty

    For more recent survey data about religion in Latin America, read our 2026 report “Catholicism Has Declined in Latin America Over the Past Decade.” On the whole, Latin Americans embrace free-market principles. Majorities in most countries surveyed say that people are better off in a free-market economy. Yet majorities in half of the countries point to the gap between […]

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    Appendix A: Methodology

    The survey was conducted via face-to-face interviews under the direction of Princeton Survey Research Associates International in Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua and Panama, and Ipsos Public Affairs in Argentina, Bolivia, Brazil, Chile, Colombia, the Dominican Republic, Ecuador, Paraguay, Peru, Puerto Rico, Uruguay and Venezuela. The survey is based on samples of […]