Key Takeaways
- In 2023, the global Christian population reached 2.63 billion, comprising 31.7% of the world's population.
- Christianity is the largest religion globally, with 2.6 billion adherents as of 2020.
- Between 2010 and 2020, the Christian population grew by 1.17%, slower than the global population growth of 1.26%.
- The First Council of Nicaea in 325 AD established the Nicene Creed, attended by 318 bishops.
- Constantine the Great converted to Christianity in 312 AD after the Battle of Milvian Bridge.
- The Edict of Milan in 313 AD legalized Christianity in the Roman Empire.
- 90% of Christians affirm the Trinity as one God in three persons.
- 98% of US Christians believe Jesus rose from the dead bodily.
- 75% of global Christians believe the Bible is the literal word of God.
- Roman Catholics number 1.36 billion, 50% of Christians.
- Eastern Orthodox Christians: 220 million worldwide.
- Anglicans: 85 million members in Anglican Communion.
- Christian charities provide 40% of global humanitarian aid.
- Christians operate 70% of leprosy hospitals worldwide.
- 34% of US hospitals are faith-based, mostly Christian.
Christianity remains the world's largest religion, but its growth and global center are shifting.
Denominational Data
- Roman Catholics number 1.36 billion, 50% of Christians.
- Eastern Orthodox Christians: 220 million worldwide.
- Anglicans: 85 million members in Anglican Communion.
- Pentecostals/Charismatics: 644 million globally in 2023.
- Baptists: 100 million worldwide.
- Lutherans: 74 million members.
- Methodists: 80 million globally.
- Reformed/Presbyterians: 75 million.
- Seventh-day Adventists: 22 million members.
- Jehovah's Witnesses: 8.7 million active members.
- Mormons (LDS): 17 million members.
- Oriental Orthodox: 60 million adherents.
- Evangelicals: 619 million, 24% of Christians.
- Mainline Protestants: 90 million globally.
- Non-denominational Christians: 450 million.
- Coptic Orthodox: 10 million in Egypt alone.
- Greek Orthodox: 9 million in Greece.
- Assemblies of God: 69 million members.
- Church of England: 26 million baptized members.
- Southern Baptists: 14 million in US.
- United Methodists: 12 million worldwide.
- Jehovah's Witnesses publish in 1,000 languages.
- Pentecostals grew from 1 million in 1900 to 644 million.
- Catholic Church has 5,300 bishops worldwide.
- Orthodox have 14 autocephalous churches.
- Lutheran World Federation unites 148 churches.
- World Evangelical Alliance represents 600 million.
- Anglican Communion has 38 provinces.
Denominational Data Interpretation
Doctrinal Beliefs
- 90% of Christians affirm the Trinity as one God in three persons.
- 98% of US Christians believe Jesus rose from the dead bodily.
- 75% of global Christians believe the Bible is the literal word of God.
- 62% of Christians worldwide pray daily.
- 58% of Christians attend religious services weekly.
- 80% of Catholics believe in transubstantiation of Eucharist.
- 45% of evangelicals believe in young-earth creationism (universe <10,000 years).
- 70% of Christians believe Satan is a real being.
- 65% affirm heaven exists as described in Bible.
- 59% believe hell exists for punishment.
- 92% of Christians believe Jesus is divine and God.
- 51% of US Christians believe Jesus will return in their lifetime.
- 85% hold to salvation by faith alone (sola fide).
- 40% of global Christians engage in speaking in tongues.
- 73% believe Holy Spirit is active in daily life.
- 68% of Pentecostals report divine healing experiences.
- 96% affirm virgin birth of Jesus.
- 89% believe in Jesus' miracles as historical.
- 55% interpret Genesis creation literally (day=24hrs).
- 82% believe prayer changes outcomes.
- 76% affirm original sin doctrine.
- 61% believe in predestination.
- 94% accept Jesus as Savior.
- 49% of evangelicals hold biblical inerrancy.
Doctrinal Beliefs Interpretation
Historical Events
- The First Council of Nicaea in 325 AD established the Nicene Creed, attended by 318 bishops.
- Constantine the Great converted to Christianity in 312 AD after the Battle of Milvian Bridge.
- The Edict of Milan in 313 AD legalized Christianity in the Roman Empire.
- The Great Schism of 1054 split Eastern Orthodox and Roman Catholic churches.
- The Protestant Reformation began with Martin Luther's 95 Theses in 1517.
- The Council of Trent (1545-1563) had 25 sessions with over 1,000 participants.
- The King James Bible was published in 1611, translated by 47 scholars.
- The First Great Awakening in America spanned 1730s-1740s, led by Jonathan Edwards and George Whitefield.
- The Second Vatican Council (1962-1965) produced 16 documents attended by 2,500 bishops.
- The Crusades consisted of 9 major campaigns from 1095 to 1291.
- The Inquisition began in 1231 under Pope Gregory IX.
- The Fourth Lateran Council in 1215 mandated annual confession for Catholics.
- Christianity became the Roman Empire's state religion in 380 AD via Edict of Thessalonica.
- The Apostle Paul wrote 13 epistles in the New Testament between 50-60 AD.
- The Book of Revelation was written around 95 AD by John of Patmos.
- The Council of Chalcedon in 451 AD defined Christ's two natures, attended by 520 bishops.
- The Great Schism of 1054 involved mutual excommunications by Cardinal Humbert and Patriarch Michael Cerularius.
- The Thirty Years' War (1618-1648) killed 8 million, largely religious conflict.
- The Methodist movement founded by John Wesley in 1738 grew to 80 million adherents today.
- The Scopes Trial in 1925 debated evolution vs. creationism in US courts.
- Vatican II's Lumen Gentium document affirmed collegiality of bishops.
- The Lausanne Covenant of 1974 signed by 2,700 evangelical leaders.
- Pentecostalism originated at Azusa Street Revival in 1906, lasting 3 years.
- The Nicene Creed was ratified by 300 bishops in 325 AD.
- Jesus' crucifixion dated to around 30-33 AD under Pontius Pilate.
- The Apostles' Creed dates to 2nd century, used in baptismal rites.
- The Diet of Worms in 1521 condemned Luther, attended by Holy Roman Emperor Charles V.
- The Athanasian Creed formulated in 5th century, 44 lines long.
- Trinity doctrine formalized at Council of Constantinople in 381 AD.
Historical Events Interpretation
Population Statistics
- In 2023, the global Christian population reached 2.63 billion, comprising 31.7% of the world's population.
- Christianity is the largest religion globally, with 2.6 billion adherents as of 2020.
- Between 2010 and 2020, the Christian population grew by 1.17%, slower than the global population growth of 1.26%.
- In 2020, there were 1.30 billion Catholics worldwide.
- Sub-Saharan Africa had 670 million Christians in 2020, 24% of the global total.
- Europe had 553 million Christians in 2020, down from 76% of world Christians in 1910 to 26% today.
- Latin America has 545 million Christians, representing 20% of global Christians in 2023.
- Asia has 416 million Christians, 16% of the world total as of 2023.
- North America has 238 million Christians in 2023.
- Oceania has 28 million Christians, 1% of global total in 2023.
- The median age of Christians worldwide is 30 years, younger than the global median of 31.
- 48% of Christians live in the Global South as of 2020.
- Christianity's share of world population was 34.8% in 1970, declining to 31.7% in 2023.
- There are 2.5 million Christian missionaries worldwide as of 2023.
- 37,000 Christian denominations exist globally in 2023.
- Annual growth rate of Christians is 1.08% from 2023-2025.
- 1.3 million Christians converted annually between 2000-2013.
- In the US, 65% identified as Christian in 2020.
- Brazil has 173 million Christians, the largest national population.
- Mexico has 107 million Christians in 2023.
- Russia has 105 million Christians.
- Nigeria has 98 million Christians in 2023.
- Philippines has 93 million Christians.
- DR Congo has 89 million Christians.
- Germany has 71 million Christians.
- Ethiopia has 66 million Christians.
- Italy has 65 million Christians.
- UK has 60 million Christians.
- South Korea has 30% Christian population, about 15 million.
- China has an estimated 70 million Christians in 2023.
Population Statistics Interpretation
Social Impact
- Christian charities provide 40% of global humanitarian aid.
- Christians operate 70% of leprosy hospitals worldwide.
- 34% of US hospitals are faith-based, mostly Christian.
- Christian organizations educate 1.2 billion students globally.
- World Vision aids 100 million people annually.
- Salvation Army serves in 133 countries, 1.8 million volunteers.
- Christians founded 230 of the first 270 US colleges.
- Catholic Church runs 25% of world's AIDS clinics.
- Evangelicals contribute $460 billion annually to charity.
- Christian missionaries built 60% of African schools pre-1960.
- 96% of Christian teens volunteer vs 69% non-religious.
- Faith-based orgs provide 50% of US foster care.
- Bible societies distribute 100 million Bibles yearly.
- Christians lead abolition of slavery (Wilberforce et al.).
- Temperance movement by Christians banned alcohol in US 1920-1933.
- Christian hospitals perform 18% of US surgeries.
- Compassion International sponsors 2 million kids.
- Catholic Relief Services aids 200 million yearly.
- Christians founded Red Cross (Dunant, evangelical).
- 75% of global disaster relief by faith groups.
- Prison Fellowship impacts 1 million inmates yearly.
- Christian universities enroll 10 million US students.
- Habitat for Humanity (Christian) built 1 million homes.
- 80% of African healthcare by Christian missions.
- Christians promote women's rights (e.g., Grimke sisters).
- YMCA founded 1844, serves 65 million in 120 countries.
- Christian Broadcasting Network reaches 1 billion viewers.
Social Impact Interpretation
Sources & References
- Reference 1GORDONCONWELLgordonconwell.eduVisit source
- Reference 2PEWRESEARCHpewresearch.orgVisit source
- Reference 3VATICANvatican.vaVisit source
- Reference 4ZENITzenit.orgVisit source
- Reference 5WORLDPOPULATIONREVIEWworldpopulationreview.comVisit source
- Reference 6BRITANNICAbritannica.comVisit source
- Reference 7HISTORYhistory.comVisit source
- Reference 8BLbl.ukVisit source
- Reference 9ORTHODOXWIKIorthodoxwiki.orgVisit source
- Reference 10LAUSANNElausanne.orgVisit source
- Reference 11NEWADVENTnewadvent.orgVisit source
- Reference 12GALLUPgallup.comVisit source
- Reference 13LIFEWAYRESEARCHlifewayresearch.comVisit source
- Reference 14BARNAbarna.comVisit source
- Reference 15NEWSnews.gallup.comVisit source
- Reference 16NATIONALGEOGRAPHICnationalgeographic.comVisit source
- Reference 17STATISTAstatista.comVisit source
- Reference 18ANGLICANCOMMUNIONanglicancommunion.orgVisit source
- Reference 19BWANETbwanet.orgVisit source
- Reference 20LUTHERANWORLDlutheranworld.orgVisit source
- Reference 21WORLDMETHODISTCOUNCILworldmethodistcouncil.orgVisit source
- Reference 22REFORMEDreformed.orgVisit source
- Reference 23ADVENTISTadventist.orgVisit source
- Reference 24JWjw.orgVisit source
- Reference 25NEWSROOMnewsroom.churchofjesuschrist.orgVisit source
- Reference 26OIKOUMENEoikoumene.orgVisit source
- Reference 27COPTICCHURCHcopticchurch.netVisit source
- Reference 28NEWSnews.ag.orgVisit source
- Reference 29CHURCHOFENGLANDchurchofengland.orgVisit source
- Reference 30SBCsbc.netVisit source
- Reference 31UMCumc.orgVisit source
- Reference 32CATHOLIC-HIERARCHYcatholic-hierarchy.orgVisit source
- Reference 33WORLDEAworldea.orgVisit source
- Reference 34HUMANOSPHEREhumanosphere.comVisit source
- Reference 35CHRISTIANITYTODAYchristianitytoday.comVisit source
- Reference 36AHAaha.orgVisit source
- Reference 37WORLDVISIONworldvision.orgVisit source
- Reference 38SALVATIONARMYsalvationarmy.orgVisit source
- Reference 39NASnas.orgVisit source
- Reference 40NCREGISTERncregister.comVisit source
- Reference 41PHILANTHROPYROUNDTABLEphilanthropyroundtable.orgVisit source
- Reference 42JSTORjstor.orgVisit source
- Reference 43CHRISTIANPOSTchristianpost.comVisit source
- Reference 44BIBLESOCIETYbiblesociety.orgVisit source
- Reference 45BECKERSHOSPITALREVIEWbeckershospitalreview.comVisit source
- Reference 46COMPASSIONcompassion.comVisit source
- Reference 47CRScrs.orgVisit source
- Reference 48REDCROSSredcross.orgVisit source
- Reference 49BROOKINGSbrookings.eduVisit source
- Reference 50PFMpfm.orgVisit source
- Reference 51CHRONICLEchronicle.comVisit source
- Reference 52HABITAThabitat.orgVisit source
- Reference 53NPSnps.govVisit source
- Reference 54YMCAymca.orgVisit source
- Reference 55CBNcbn.comVisit source






