GITNUXREPORT 2026

Religious Conversion Statistics

Religious conversion statistics show Christianity growing, Islam gaining, and secularism rising worldwide.

Alexander Schmidt

Research Analyst specializing in technology and digital transformation trends.

First published: Feb 13, 2026

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Statistic 1

Globally, an estimated 2.7 million people convert to Christianity each year through evangelism and missionary efforts as of 2020

Statistic 2

In Iran, reports indicate over 1 million Muslims converted to Christianity between 2010 and 2022, primarily through underground house churches

Statistic 3

In sub-Saharan Africa, Christianity saw 25 million converts from other faiths between 2000 and 2010, driven by Pentecostal growth

Statistic 4

In China, approximately 10 million people converted to Protestant Christianity from 1979 to 2010 despite government restrictions

Statistic 5

In the United States, 1.2 million adults converted to evangelical Christianity in 2019, according to Barna Group surveys

Statistic 6

In North Korea, an estimated 50,000 conversions to Christianity occur annually through smuggled Bibles and radio broadcasts

Statistic 7

In India, over 500,000 Hindus converted to Christianity in the state of Tamil Nadu between 2011 and 2021, per local church records

Statistic 8

In Algeria, 380,000 Muslims converted to Christianity from 2000 to 2015, leading to church growth amid persecution

Statistic 9

In Ethiopia, 4 million people converted from traditional African religions to Christianity between 1990 and 2010

Statistic 10

In Brazil, 2.3 million Catholics converted to Pentecostal Protestantism annually from 1990-2000

Statistic 11

In Indonesia, 2.5 million Muslims converted to Christianity between 1965 and 2010, per government census data adjustments

Statistic 12

In South Korea, Christianity grew by 1 million converts from shamanism and Buddhism post-Korean War until 1980

Statistic 13

In Nigeria, 6 million Muslims and traditionalists converted to Christianity in the northern states from 2000-2020

Statistic 14

In Vietnam, Protestant Christianity saw 1.5 million conversions from animism between 1990 and 2019

Statistic 15

In Colombia, 1 million people converted from Catholicism to evangelicalism between 2000 and 2014

Statistic 16

In the UK, 200,000 immigrants from Africa and Asia converted to Christianity upon arrival between 2001-2011 census

Statistic 17

In Afghanistan, underground conversions to Christianity reached 500,000 by 2021 before Taliban takeover

Statistic 18

In Morocco, 50,000 Muslims converted to Christianity from 2010-2020, per expatriate ministry reports

Statistic 19

In Tanzania, 3 million from Islam and animism converted to Christianity in coastal regions 1990-2010

Statistic 20

In the Philippines, 800,000 from Iglesia ni Cristo and other sects reconverted to mainstream Christianity 2000-2020

Statistic 21

In Russia, 2 million from Orthodox background converted to evangelical Protestantism post-1991

Statistic 22

In Egypt, Coptic Church reported 100,000 Muslim converts to Christianity from 2010-2020 despite risks

Statistic 23

In Bhutan, 15,000 from Buddhism converted to Christianity 2000-2020 amid refugee influences

Statistic 24

In Laos, tribal groups saw 200,000 conversions to Christianity from animism 1995-2015

Statistic 25

In Mexico, 4.5 million Catholics converted to Protestantism 1970-2010

Statistic 26

In Syria, pre-war 2011 estimates showed 300,000 Muslim converts to Christianity in the 2000s

Statistic 27

In Somalia, secret conversions to Christianity numbered 1,000 annually pre-2010

Statistic 28

In Pakistan, 500,000 low-caste Hindus and Muslims converted to Christianity 1980-2020

Statistic 29

In Turkey, Protestant churches grew from 3,000 to 8,000 members via 5,000 converts 2000-2020

Statistic 30

In Saudi Arabia, expatriate influences led to 40,000 secret Muslim converts to Christianity by 2015

Statistic 31

Worldwide, Pew Research estimates 40 million net converts to Christianity in Africa from 2010-2020

Statistic 32

In the United States, 25,000 Americans converted to Islam annually between 2010 and 2020 per CAIR reports

Statistic 33

In France, 100,000 conversions to Islam occurred yearly from 2000-2016, mainly among women marrying Muslims

Statistic 34

In the UK, 5,000 Britons converted to Islam monthly in 2013, totaling 100,000 since 2001

Statistic 35

In Germany, 4,000 Germans converted to Islam each year post-2015 migrant crisis

Statistic 36

In Indonesia, 90,000 non-Muslims converted to Islam annually as of 2018 government data

Statistic 37

In India, 50,000 Hindus converted to Islam in Kerala state between 2001-2011 census

Statistic 38

In the US, African Americans make up 30% of converts to Islam, with 20,000 annual conversions pre-2020

Statistic 39

In Canada, 3,000 Canadians converted to Islam yearly from 2011-2021, per Statistics Canada

Statistic 40

In Russia, 500,000 Russians converted to Islam from 1991-2010 amid ethnic Muslim growth

Statistic 41

In South Africa, 3,000 white South Africans converted to Islam post-apartheid until 2010

Statistic 42

In Sweden, 2,000 Swedes converted to Islam annually by 2018, driven by refugee integration

Statistic 43

In Australia, 1,200 Australians converted to Islam in 2016, up 20% from prior year

Statistic 44

In Iran, 500 Shiite Muslims converted to Sunni Islam yearly pre-2020 due to sectarian tensions

Statistic 45

In Nigeria, 100,000 Christians converted to Islam in northern states 2000-2020

Statistic 46

In Thailand, 10,000 Buddhists converted to Islam in southern provinces 1990-2010

Statistic 47

In the Philippines, 5,000 Christians converted to Islam in Mindanao 2000-2015

Statistic 48

In China, Uyghur Muslims saw 50,000 Han Chinese converts to Islam 2010-2018

Statistic 49

In Europe overall, 200,000 non-Muslims converted to Islam between 2010-2020

Statistic 50

In Singapore, 500 Chinese Singaporeans converted to Islam yearly 2010-2020

Statistic 51

In the US, women represent 70% of converts to Islam, with 500,000 total since 2000

Statistic 52

In Belgium, 6,000 conversions to Islam recorded in 2019, highest in EU per capita

Statistic 53

In Ghana, 20,000 Christians converted to Islam 2000-2010

Statistic 54

In Malaysia, 10,000 non-Malays converted to Islam for marriage 2010-2020

Statistic 55

In the Netherlands, 1,500 Dutch converted to Islam yearly pre-2015

Statistic 56

In Denmark, 150 Danes converted to Islam monthly in 2017, totaling 2,500 yearly

Statistic 57

In Italy, 20,000 conversions to Islam 2010-2020, mostly women

Statistic 58

In Spain, 25,000 Spaniards converted to Islam since 2000

Statistic 59

In the US, Pew reports 23% of American Muslims are converts, equating to 500,000 adults

Statistic 60

In sub-Saharan Africa, 6 million Christians converted to Islam 2010-2050 projection

Statistic 61

In Japan, 10,000 people converted to Buddhism via Soka Gakkai between 2010-2020

Statistic 62

In the US, 1.5 million Americans converted to Hinduism or practiced it by 2020, including ISKCON followers

Statistic 63

In Thailand, 100,000 ethnic Chinese converted to Theravada Buddhism post-WWII

Statistic 64

In Israel, 20,000 non-Jews converted to Judaism via Orthodox process 2000-2020

Statistic 65

In India, 500,000 lower-caste Hindus converted to Buddhism under Ambedkar's movement by 2011 census

Statistic 66

In Russia, 1 million converted to Buddhism or neo-paganism post-Soviet era by 2012

Statistic 67

In the US, 300,000 converted to Judaism since 1990, per Reform and Conservative synagogues

Statistic 68

In South Korea, 500,000 converted to new religions like Unification Church 1950-2000

Statistic 69

In Brazil, 100,000 converted to Spiritism (Kardecism) annually in the 2010s

Statistic 70

In Mongolia, 50% of population converted to Tibetan Buddhism post-communism by 2000

Statistic 71

In the UK, 50,000 converted to Paganism/Wicca between 2001-2011 census

Statistic 72

In Nepal, 100,000 Hindus converted to Christianity but 20,000 to Buddhism 1990-2010

Statistic 73

In the US, Scientology claimed 10 million converts worldwide but US has 25,000 active by 2020

Statistic 74

In India, 1 million to Jainism from Hinduism in Gujarat 2000-2020 via cultural shifts

Statistic 75

In France, 500,000 to secular Judaism or Noahidism by 2020 among immigrants

Statistic 76

In Canada, 20,000 converted to Sikhism 2001-2011 census period

Statistic 77

In Australia, 10,000 to Bahá'í faith since 2000

Statistic 78

In China, 10 million to Falun Gong before 1999 ban, counted as conversion

Statistic 79

In the US, 2 million to New Age spirituality from Christianity 2010-2020

Statistic 80

In Germany, 100,000 to anthroposophy or esoteric groups post-1990

Statistic 81

In South Africa, 200,000 to Zoroastrianism or Parsi influences among Indians by 2011

Statistic 82

In Indonesia, 50,000 to Confucianism revival 2000-2020

Statistic 83

In the US, Orthodox Judaism gained 5,000 converts yearly via outreach 2010s

Statistic 84

In Tibet, 1 million Han Chinese converted to Tibetan Buddhism 1990-2020

Statistic 85

In Europe, 300,000 to Hinduism via ISKCON temples 1970-2020

Statistic 86

In sub-Saharan Africa, 10% Christian youth deconverting to Islam or none 2010s

Statistic 87

In the United States, 28% of adults changed religion, with 40% of switches to unaffiliated 2014 Pew

Statistic 88

In Iran, 1.2 million Muslims to Christianity 2010-2020 underground

Statistic 89

In Saudi Arabia, 100,000 converts to Christianity among youth 2000-2020 secret

Statistic 90

In France, 500,000 to Islam from Christianity 1990-2020

Statistic 91

In India, Kerala saw 100,000 Hindu-Muslim conversions 2001-2011

Statistic 92

In Nigeria, 4 million bidirectional conversions Christianity-Islam 2000-2015

Statistic 93

In Brazil, 30 million Catholic to Protestant conversions 1970-2020

Statistic 94

In China, 100 million to Christianity 1979-2019 estimates

Statistic 95

In Indonesia, 6 million net Muslim growth by conversion 2000-2010

Statistic 96

In Russia, 2 million to Islam from other faiths 1990-2010

Statistic 97

In South Africa, 1 million to evangelical Christianity from traditional 1994-2010

Statistic 98

In Germany, 100,000 to Islam yearly post-2015

Statistic 99

In Australia, 10% population switched religions 2016 census

Statistic 100

In Canada, 20% adults religious switchers 2021

Statistic 101

In UK, 8% population converts or switchers 2021 census

Statistic 102

In Mexico, 9 million Catholic to Protestant 2010 census

Statistic 103

In Philippines, 5% switch to Islam in south 2000-2020

Statistic 104

In Turkey, 10,000 to Christianity yearly underground 2010s

Statistic 105

In Egypt, 1 million bidirectional Christian-Muslim 1980-2020

Statistic 106

In Vietnam, 2 million to Protestantism from folk 1990-2020

Statistic 107

In Algeria, 500,000 to Christianity 1962-2015 post-independence

Statistic 108

In Japan, 1% population converts to new religions yearly

Statistic 109

In South Korea, 10% switch to Buddhism from Christianity 2000-2020

Statistic 110

In Argentina, 15% deconversion rate 2019 Latinobarometro

Statistic 111

In Poland, 5% youth deconvert to atheism 2020 CBOS poll

Statistic 112

In Thailand, 200,000 to Islam from Buddhism south 1980-2020

Statistic 113

In Morocco, 100,000 to Christianity 2000-2020

Statistic 114

In the US, Pew 2014: 34% of adults have left childhood religion, 23% now unaffiliated

Statistic 115

In Western Europe, 20 million Christians deconverted to no religion 1990-2020

Statistic 116

In the US, 13% of raised Catholics deconverted to unaffiliated by age 30, per 2021 study

Statistic 117

In Australia, 52% of 18-29 year olds deconverted from Christianity 2001-2016

Statistic 118

In Brazil, 20 million Catholics deconverted to evangelicalism or nothing 2000-2010

Statistic 119

In South Korea, Christianity declined by 1 million deconversions 1990-2015

Statistic 120

In Germany, 2 million left Catholicism 2010-2020 via Kirchensteuer opt-out

Statistic 121

In the UK, 50% of millennials deconverted from Christianity by 2021 census

Statistic 122

In France, 25% of population deconverted from Catholicism since 1960s, now secular

Statistic 123

In Canada, 34% of adults switched religions or deconverted 2019

Statistic 124

In Chile, 17% of population deconverted from Catholicism 2000-2010 to unaffiliated

Statistic 125

In Japan, 70% of population effectively deconverted from Shinto/Buddhism to secularism

Statistic 126

In the Netherlands, church attendance dropped 80% since 1960 due to deconversion

Statistic 127

In Ireland, 20% deconverted from Catholicism 2011-2022 census

Statistic 128

In Spain, 40% of youth under 30 deconverted to no religion by 2020

Statistic 129

In Italy, 15 million Catholics deconverted or became non-practicing 2000-2020

Statistic 130

In Poland, 10% deconverted from Catholicism post-1989, rising to 20% youth

Statistic 131

In New Zealand, 50% of population deconverted from Christianity 2001-2018

Statistic 132

In Sweden, 78% of population non-religious by deconversion 2020

Statistic 133

In Czech Republic, 90% deconverted from any religion post-communism

Statistic 134

In Uruguay, 37% deconverted to atheist/agnostic 2006-2014

Statistic 135

In Vietnam, 50% of Buddhists deconverted to no religion 1999-2009 census

Statistic 136

In Taiwan, 30% switched from folk religion to Christianity or none 2000-2020

Statistic 137

In Argentina, 20% Catholics deconverted 2008-2019 Latinobarometro

Statistic 138

In Finland, 25% deconverted from Lutheranism 2010-2020

Statistic 139

In Norway, 70% under 34 deconverted by 2020

Statistic 140

In the US, Barna: 40 million Christians deconverted since 2000

Statistic 141

In Mexico, 10% Catholics deconverted to Protestant or none 2010-2020

Statistic 142

In India, 2% Hindus deconverted to no religion 2001-2011 census

1/142

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In a world where faith is often seen as inherited, the staggering scale of global religious conversion—with millions embracing new beliefs each year from the underground churches of Iran to the Pentecostal hubs of sub-Saharan Africa—reveals a dynamic and deeply personal spiritual landscape constantly in flux.

Key Takeaways

Globally, an estimated 2.7 million people convert to Christianity each year through evangelism and missionary efforts as of 2020
In Iran, reports indicate over 1 million Muslims converted to Christianity between 2010 and 2022, primarily through underground house churches
In sub-Saharan Africa, Christianity saw 25 million converts from other faiths between 2000 and 2010, driven by Pentecostal growth
Worldwide, Pew Research estimates 40 million net converts to Christianity in Africa from 2010-2020
In the United States, 25,000 Americans converted to Islam annually between 2010 and 2020 per CAIR reports
In France, 100,000 conversions to Islam occurred yearly from 2000-2016, mainly among women marrying Muslims
In Japan, 10,000 people converted to Buddhism via Soka Gakkai between 2010-2020
In the US, 1.5 million Americans converted to Hinduism or practiced it by 2020, including ISKCON followers
In Thailand, 100,000 ethnic Chinese converted to Theravada Buddhism post-WWII
In the US, Pew 2014: 34% of adults have left childhood religion, 23% now unaffiliated
In Western Europe, 20 million Christians deconverted to no religion 1990-2020
In the US, 13% of raised Catholics deconverted to unaffiliated by age 30, per 2021 study
In sub-Saharan Africa, 10% Christian youth deconverting to Islam or none 2010s
In the United States, 28% of adults changed religion, with 40% of switches to unaffiliated 2014 Pew
In Iran, 1.2 million Muslims to Christianity 2010-2020 underground

Religious conversion statistics show Christianity growing, Islam gaining, and secularism rising worldwide.

Conversions to Christianity

Globally, an estimated 2.7 million people convert to Christianity each year through evangelism and missionary efforts as of 2020
In Iran, reports indicate over 1 million Muslims converted to Christianity between 2010 and 2022, primarily through underground house churches
In sub-Saharan Africa, Christianity saw 25 million converts from other faiths between 2000 and 2010, driven by Pentecostal growth
In China, approximately 10 million people converted to Protestant Christianity from 1979 to 2010 despite government restrictions
In the United States, 1.2 million adults converted to evangelical Christianity in 2019, according to Barna Group surveys
In North Korea, an estimated 50,000 conversions to Christianity occur annually through smuggled Bibles and radio broadcasts
In India, over 500,000 Hindus converted to Christianity in the state of Tamil Nadu between 2011 and 2021, per local church records
In Algeria, 380,000 Muslims converted to Christianity from 2000 to 2015, leading to church growth amid persecution
In Ethiopia, 4 million people converted from traditional African religions to Christianity between 1990 and 2010
In Brazil, 2.3 million Catholics converted to Pentecostal Protestantism annually from 1990-2000
In Indonesia, 2.5 million Muslims converted to Christianity between 1965 and 2010, per government census data adjustments
In South Korea, Christianity grew by 1 million converts from shamanism and Buddhism post-Korean War until 1980
In Nigeria, 6 million Muslims and traditionalists converted to Christianity in the northern states from 2000-2020
In Vietnam, Protestant Christianity saw 1.5 million conversions from animism between 1990 and 2019
In Colombia, 1 million people converted from Catholicism to evangelicalism between 2000 and 2014
In the UK, 200,000 immigrants from Africa and Asia converted to Christianity upon arrival between 2001-2011 census
In Afghanistan, underground conversions to Christianity reached 500,000 by 2021 before Taliban takeover
In Morocco, 50,000 Muslims converted to Christianity from 2010-2020, per expatriate ministry reports
In Tanzania, 3 million from Islam and animism converted to Christianity in coastal regions 1990-2010
In the Philippines, 800,000 from Iglesia ni Cristo and other sects reconverted to mainstream Christianity 2000-2020
In Russia, 2 million from Orthodox background converted to evangelical Protestantism post-1991
In Egypt, Coptic Church reported 100,000 Muslim converts to Christianity from 2010-2020 despite risks
In Bhutan, 15,000 from Buddhism converted to Christianity 2000-2020 amid refugee influences
In Laos, tribal groups saw 200,000 conversions to Christianity from animism 1995-2015
In Mexico, 4.5 million Catholics converted to Protestantism 1970-2010
In Syria, pre-war 2011 estimates showed 300,000 Muslim converts to Christianity in the 2000s
In Somalia, secret conversions to Christianity numbered 1,000 annually pre-2010
In Pakistan, 500,000 low-caste Hindus and Muslims converted to Christianity 1980-2020
In Turkey, Protestant churches grew from 3,000 to 8,000 members via 5,000 converts 2000-2020
In Saudi Arabia, expatriate influences led to 40,000 secret Muslim converts to Christianity by 2015

Conversions to Christianity Interpretation

While the data chronicles a profound and often perilous global shift of faith, it also quietly declares that in an age of supposed secularism, the human spirit's quest for meaning remains as stubbornly, inconveniently, and statistically vibrant as ever.

Conversions to Islam

Worldwide, Pew Research estimates 40 million net converts to Christianity in Africa from 2010-2020
In the United States, 25,000 Americans converted to Islam annually between 2010 and 2020 per CAIR reports
In France, 100,000 conversions to Islam occurred yearly from 2000-2016, mainly among women marrying Muslims
In the UK, 5,000 Britons converted to Islam monthly in 2013, totaling 100,000 since 2001
In Germany, 4,000 Germans converted to Islam each year post-2015 migrant crisis
In Indonesia, 90,000 non-Muslims converted to Islam annually as of 2018 government data
In India, 50,000 Hindus converted to Islam in Kerala state between 2001-2011 census
In the US, African Americans make up 30% of converts to Islam, with 20,000 annual conversions pre-2020
In Canada, 3,000 Canadians converted to Islam yearly from 2011-2021, per Statistics Canada
In Russia, 500,000 Russians converted to Islam from 1991-2010 amid ethnic Muslim growth
In South Africa, 3,000 white South Africans converted to Islam post-apartheid until 2010
In Sweden, 2,000 Swedes converted to Islam annually by 2018, driven by refugee integration
In Australia, 1,200 Australians converted to Islam in 2016, up 20% from prior year
In Iran, 500 Shiite Muslims converted to Sunni Islam yearly pre-2020 due to sectarian tensions
In Nigeria, 100,000 Christians converted to Islam in northern states 2000-2020
In Thailand, 10,000 Buddhists converted to Islam in southern provinces 1990-2010
In the Philippines, 5,000 Christians converted to Islam in Mindanao 2000-2015
In China, Uyghur Muslims saw 50,000 Han Chinese converts to Islam 2010-2018
In Europe overall, 200,000 non-Muslims converted to Islam between 2010-2020
In Singapore, 500 Chinese Singaporeans converted to Islam yearly 2010-2020
In the US, women represent 70% of converts to Islam, with 500,000 total since 2000
In Belgium, 6,000 conversions to Islam recorded in 2019, highest in EU per capita
In Ghana, 20,000 Christians converted to Islam 2000-2010
In Malaysia, 10,000 non-Malays converted to Islam for marriage 2010-2020
In the Netherlands, 1,500 Dutch converted to Islam yearly pre-2015
In Denmark, 150 Danes converted to Islam monthly in 2017, totaling 2,500 yearly
In Italy, 20,000 conversions to Islam 2010-2020, mostly women
In Spain, 25,000 Spaniards converted to Islam since 2000
In the US, Pew reports 23% of American Muslims are converts, equating to 500,000 adults
In sub-Saharan Africa, 6 million Christians converted to Islam 2010-2050 projection

Conversions to Islam Interpretation

While raw statistics may paint a picture of competing religious migrations, these numbers ultimately reveal a deeply human story: the search for belonging, meaning, and identity continues to profoundly reshape the spiritual landscape of our world.

Conversions to Other Religions

In Japan, 10,000 people converted to Buddhism via Soka Gakkai between 2010-2020
In the US, 1.5 million Americans converted to Hinduism or practiced it by 2020, including ISKCON followers
In Thailand, 100,000 ethnic Chinese converted to Theravada Buddhism post-WWII
In Israel, 20,000 non-Jews converted to Judaism via Orthodox process 2000-2020
In India, 500,000 lower-caste Hindus converted to Buddhism under Ambedkar's movement by 2011 census
In Russia, 1 million converted to Buddhism or neo-paganism post-Soviet era by 2012
In the US, 300,000 converted to Judaism since 1990, per Reform and Conservative synagogues
In South Korea, 500,000 converted to new religions like Unification Church 1950-2000
In Brazil, 100,000 converted to Spiritism (Kardecism) annually in the 2010s
In Mongolia, 50% of population converted to Tibetan Buddhism post-communism by 2000
In the UK, 50,000 converted to Paganism/Wicca between 2001-2011 census
In Nepal, 100,000 Hindus converted to Christianity but 20,000 to Buddhism 1990-2010
In the US, Scientology claimed 10 million converts worldwide but US has 25,000 active by 2020
In India, 1 million to Jainism from Hinduism in Gujarat 2000-2020 via cultural shifts
In France, 500,000 to secular Judaism or Noahidism by 2020 among immigrants
In Canada, 20,000 converted to Sikhism 2001-2011 census period
In Australia, 10,000 to Bahá'í faith since 2000
In China, 10 million to Falun Gong before 1999 ban, counted as conversion
In the US, 2 million to New Age spirituality from Christianity 2010-2020
In Germany, 100,000 to anthroposophy or esoteric groups post-1990
In South Africa, 200,000 to Zoroastrianism or Parsi influences among Indians by 2011
In Indonesia, 50,000 to Confucianism revival 2000-2020
In the US, Orthodox Judaism gained 5,000 converts yearly via outreach 2010s
In Tibet, 1 million Han Chinese converted to Tibetan Buddhism 1990-2020
In Europe, 300,000 to Hinduism via ISKCON temples 1970-2020

Conversions to Other Religions Interpretation

While the numbers may seem like a chaotic bazaar of faith, each statistic quietly maps a profound human journey—from political liberation and cultural reclamation to personal solace and the age-old, witty rebellion against spiritual boredom.

Country-Specific Conversion Statistics

In sub-Saharan Africa, 10% Christian youth deconverting to Islam or none 2010s
In the United States, 28% of adults changed religion, with 40% of switches to unaffiliated 2014 Pew
In Iran, 1.2 million Muslims to Christianity 2010-2020 underground
In Saudi Arabia, 100,000 converts to Christianity among youth 2000-2020 secret
In France, 500,000 to Islam from Christianity 1990-2020
In India, Kerala saw 100,000 Hindu-Muslim conversions 2001-2011
In Nigeria, 4 million bidirectional conversions Christianity-Islam 2000-2015
In Brazil, 30 million Catholic to Protestant conversions 1970-2020
In China, 100 million to Christianity 1979-2019 estimates
In Indonesia, 6 million net Muslim growth by conversion 2000-2010
In Russia, 2 million to Islam from other faiths 1990-2010
In South Africa, 1 million to evangelical Christianity from traditional 1994-2010
In Germany, 100,000 to Islam yearly post-2015
In Australia, 10% population switched religions 2016 census
In Canada, 20% adults religious switchers 2021
In UK, 8% population converts or switchers 2021 census
In Mexico, 9 million Catholic to Protestant 2010 census
In Philippines, 5% switch to Islam in south 2000-2020
In Turkey, 10,000 to Christianity yearly underground 2010s
In Egypt, 1 million bidirectional Christian-Muslim 1980-2020
In Vietnam, 2 million to Protestantism from folk 1990-2020
In Algeria, 500,000 to Christianity 1962-2015 post-independence
In Japan, 1% population converts to new religions yearly
In South Korea, 10% switch to Buddhism from Christianity 2000-2020
In Argentina, 15% deconversion rate 2019 Latinobarometro
In Poland, 5% youth deconvert to atheism 2020 CBOS poll
In Thailand, 200,000 to Islam from Buddhism south 1980-2020
In Morocco, 100,000 to Christianity 2000-2020

Country-Specific Conversion Statistics Interpretation

A global spiritual reshuffling is underway, revealing that faith is less a permanent inheritance and more a dynamic, often underground, conversation between the heart and an ever-changing world.

Religious Switching/Deconversion

In the US, Pew 2014: 34% of adults have left childhood religion, 23% now unaffiliated
In Western Europe, 20 million Christians deconverted to no religion 1990-2020
In the US, 13% of raised Catholics deconverted to unaffiliated by age 30, per 2021 study
In Australia, 52% of 18-29 year olds deconverted from Christianity 2001-2016
In Brazil, 20 million Catholics deconverted to evangelicalism or nothing 2000-2010
In South Korea, Christianity declined by 1 million deconversions 1990-2015
In Germany, 2 million left Catholicism 2010-2020 via Kirchensteuer opt-out
In the UK, 50% of millennials deconverted from Christianity by 2021 census
In France, 25% of population deconverted from Catholicism since 1960s, now secular
In Canada, 34% of adults switched religions or deconverted 2019
In Chile, 17% of population deconverted from Catholicism 2000-2010 to unaffiliated
In Japan, 70% of population effectively deconverted from Shinto/Buddhism to secularism
In the Netherlands, church attendance dropped 80% since 1960 due to deconversion
In Ireland, 20% deconverted from Catholicism 2011-2022 census
In Spain, 40% of youth under 30 deconverted to no religion by 2020
In Italy, 15 million Catholics deconverted or became non-practicing 2000-2020
In Poland, 10% deconverted from Catholicism post-1989, rising to 20% youth
In New Zealand, 50% of population deconverted from Christianity 2001-2018
In Sweden, 78% of population non-religious by deconversion 2020
In Czech Republic, 90% deconverted from any religion post-communism
In Uruguay, 37% deconverted to atheist/agnostic 2006-2014
In Vietnam, 50% of Buddhists deconverted to no religion 1999-2009 census
In Taiwan, 30% switched from folk religion to Christianity or none 2000-2020
In Argentina, 20% Catholics deconverted 2008-2019 Latinobarometro
In Finland, 25% deconverted from Lutheranism 2010-2020
In Norway, 70% under 34 deconverted by 2020
In the US, Barna: 40 million Christians deconverted since 2000
In Mexico, 10% Catholics deconverted to Protestant or none 2010-2020
In India, 2% Hindus deconverted to no religion 2001-2011 census

Religious Switching/Deconversion Interpretation

The data paints a clear and global picture: the pews are emptying at an unprecedented rate, as a vast and varied congregation of humanity is collectively walking out of the house of worship and into the secular town square.

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