South Asia: Religion, Caste, and Community

South Asia exposes the limits of religious maps more dramatically than almost any region.

A map colored according to majority religion may show India as Hindu, Pakistan and Bangladesh as Muslim, Nepal as Hindu-majority with a secular constitutional order, Sri Lanka as predominantly Buddhist, and smaller countries through their own dominant traditions.

The map is not false.

It is radically incomplete.

Religion in South Asia is embedded within social structures that shape who marries whom, who eats together, which language is used at home, who is trusted, where people live, how political identities form, and what conversion means. Caste and jati, tribe, family, region, language, ethnicity, and religious community can create boundaries that a national census cannot display.

This is why South Asia occupies so much space in evangelical unreached-people research. The issue is not merely that the region contains very large Hindu and Muslim populations. It is that Christian presence can exist nearby and still fail to move through social networks.

The Scale of the Region

South Asia contains roughly a quarter of humanity. India alone is the world’s most populous country in current UN estimates. Pakistan and Bangladesh each contain a population larger than that of any individual European country.¹ The region’s demographic scale means that even minority religious communities can number in the tens or hundreds of millions.

Pew’s global reconstruction estimated approximately 1.2 billion Hindus worldwide in 2020, about 14.9 percent of humanity, with the overwhelming majority living in India.²

India also contains one of the world’s largest Muslim populations, millions of Christians, Sikhs, Buddhists, Jains, and adherents of tribal or other religious traditions.

Therefore the phrase “Hindu India” is as inadequate for missionary analysis as “Christian Europe” or “Muslim Africa.”

Hinduism Is Not One Thing. Western religious classification encourages people to imagine religions as systems analogous to denominations: a founder, central text, creed, institution, and standard doctrine.

Hindu traditions do not fit that template neatly.

The category encompasses a vast range of philosophies, devotional movements, deities, temple traditions, local practices, reform movements, caste-linked customs, and regional cultures. Vaishnava, Shaiva, Shakta, Smarta, and other traditions contain further internal variety. A highly educated Advaita-oriented Hindu and a village devotee centered on a local deity may both identify as Hindu while inhabiting very different religious worlds.

Missionary descriptions have sometimes reduced this diversity to caricatures: “Hindus worship millions of gods,” “Hindus believe everything is one,” or “Hinduism is caste.” Each statement isolates one feature and makes it universal.

Christian witness becomes more accurate when it asks what this person or community actually believes and practices.

Religion and Family

Religion in South Asia frequently belongs to family identity before it becomes an individual’s abstract worldview.

Festivals structure the year.

Marriage connects families.

Food practices communicate belonging.

Rituals surround birth and death.

Religious identity can be tied to ancestry and community reputation.

This means Christian conversion may be interpreted as more than adopting new theological beliefs. It can be heard as rejecting one’s family, ancestors, caste, or nation.

Missionaries who treat conversion entirely as individual decision can therefore underestimate its social cost.

The theological call to personal faith remains.

The social consequences require pastoral realism.

Caste: More Than a Four-Part Diagram. Caste is commonly introduced through the classical four-varna scheme: Brahmin, Kshatriya, Vaishya, Shudra, with Dalits historically excluded from the hierarchy. The model provides one layer of the traditional system but often explains little about everyday social organization.

The more concrete reality is jati—thousands of birth-based communities historically associated with marriage networks, occupation, social status, region, and ritual relationships.

Caste is not identical across India.

Urbanization, education, law, economic change, political mobilization, inter-caste marriage, and religious conversion have transformed many aspects of caste life.

It has not disappeared.

Caste Across Religions

One of the most important findings for mission is that caste is not confined to Hindus.

Pew’s large 2019–2020 India survey found that Indians across Hindu, Muslim, Christian, Sikh, Buddhist, and Jain communities commonly identified with caste categories. The report concluded that caste remained a dividing line across Indian society rather than a social fact belonging only to Hinduism.³

This means Christian conversion does not automatically erase caste.

Churches can reproduce:

• caste-based marriage expectations;
• segregated cemeteries;
• social distance;
• leadership inequalities;
• separate congregations.

Christian theology may proclaim unity in Christ while Christian social practice lags behind.

That gap has direct missionary consequences.

When a Church Is Near but Not Accessible. Imagine a town containing a long-established Christian congregation associated historically with one caste or tribal community. A second social group lives nearby but has little history of intermarriage, shared meals, or trusted relationships with the church’s members.

At a national level, Christianity is present.

At a geographic level, a church is near.

At a relational level, the gospel may remain far away.

This is the kind of situation people-group missiology is designed to notice.

It also demonstrates why an ethnic label alone can be insufficient. The barrier may be caste, religion, language, or social reputation rather than ethnicity in the conventional sense.

Segregated Social Worlds. Pew’s India survey offers empirical support for the importance of these boundaries. Indians across major religious communities overwhelmingly express support for religious tolerance, yet social networks remain strongly segregated. Many people say their close friends belong mostly or entirely to their own religion. Substantial minorities are unwilling to accept members of some other religious groups as neighbors. Marriage across religious lines receives very low support in many communities.⁴

The apparent contradiction—tolerance alongside separation—is missionary significant.

People can live peacefully beside one another without sharing the relational networks through which religious ideas and trust travel.

Therefore social harmony should not be equated with gospel access.

Christians and Social Distance. Indian Christianity itself is diverse.

Kerala contains ancient Saint Thomas Christian communities including Syro-Malabar Catholic, Syro-Malankara Catholic, Malankara Orthodox Syrian, Jacobite Syrian, Mar Thoma, and other traditions, alongside Latin Catholics, Protestants, Pentecostals, and independent churches.

Northeastern states such as Nagaland, Mizoram, and Meghalaya contain large Christian populations shaped by very different mission histories and ethnic identities.

Tamil Nadu, Andhra Pradesh, Telangana, Odisha, Jharkhand, Punjab, Goa, and other regions contain distinct Christian histories.

There is no single Indian Christian community from which the rest of India can straightforwardly be evangelized.

Indian churches can themselves encounter deep cross-cultural distance within India.

Dalit Christianity

Dalit conversion to Christianity has often been interpreted through debates over liberation, social mobility, caste, and religious identity.

Some Dalits have found in Christian theology a powerful affirmation of dignity and equality before God.

Conversion has not necessarily removed caste discrimination, including within Christian institutions.

This creates a painful missionary contradiction: Christianity can preach liberation from caste hierarchy while churches reproduce social structures that tell Dalit Christians they remain inferior.

Missionary credibility therefore depends partly on whether Christian communities embody the social implications of the gospel they proclaim.

Tribal and Adivasi Communities. India’s Adivasi and Scheduled Tribe populations add another layer.

Many communities possess languages, cultural traditions, and religious practices distinct from dominant Hindu social worlds. Christian movements have become substantial among some tribal populations, especially in the Northeast and parts of eastern and central India.

Political debates sometimes classify tribal religious identity in ways local communities contest. Christian growth among tribal peoples can become entangled with nationalism, accusations of foreign influence, and disputes over culture.

Mission therefore needs careful historical and anthropological knowledge rather than assuming every tribal community is simply “Hindu” or “animist.”

Muslim India

India’s Muslim population is itself internally diverse by language, region, sect, class, caste-like social group, and historical experience.

Partition in 1947 profoundly reshaped Hindu-Muslim relations. Yet the vast majority of South Asian Muslims did not move into Pakistan. India remained home to one of the world’s largest Muslim populations.

Pew’s India survey found that Indian Muslims overwhelmingly expressed pride in Indian identity while also showing strong preferences for religiously bounded family and social life.⁵

Mission among Indian Muslims therefore involves both religious difference and minority-community dynamics within a Hindu-majority political environment.

A Christian worker who treats Muslim identity only as theology misses much of the social meaning.

Sikh Contexts. Sikhism emerged in Punjab and remains strongly associated with Punjabi history and identity, though Sikh communities now exist globally through diaspora.

India’s Sikh population is numerically small relative to Hindus and Muslims but socially and politically significant. Sikh history includes its own experiences of empire, religious conflict, migration, and minority identity.

Christian mission among Sikhs therefore cannot simply import approaches developed for Hindu or Muslim contexts.

One religious label is not interchangeable with another because each sits inside a different social history.

Buddhism and Dalit Conversion. Indian Buddhism also differs from dominant Buddhist traditions elsewhere in Asia.

The twentieth-century conversion movement associated with B. R. Ambedkar brought large numbers of Dalits into a form of Buddhism explicitly connected to rejection of caste oppression. Pew’s survey found a very high proportion of Indian Buddhists identifying as Dalit.

This means “Buddhist mission” in India occurs within a different social world from Buddhist contexts in Thailand, Japan, or Sri Lanka.

Religion is inseparable from the history through which people came to identify with it.

Language. India’s linguistic diversity is enormous.

The constitution recognizes multiple scheduled languages; many more languages and varieties are spoken. Hindi is widely spoken but not universally accepted or used. English has major institutional importance but is not the language of intimate life for most Indians.

A person may use:

• one language at home;
• another in school;
• another in commerce;
• English online.

Which language should carry discipleship?

The answer cannot be determined simply by asking which language the person technically understands.

Mother-tongue ministry matters most where emotional, theological, and communal meaning travels differently through the local language.

Chapter 16 will examine this globally.

Literacy and Oral Communication. South Asia also contains communities with very different literacy profiles.

Written Bible distribution may work well among educated urban populations.

Oral storytelling, audio Scripture, song, drama, and communal discussion may be more effective elsewhere.

A translation strategy should therefore not assume that publication equals use.

Scripture access is communicative rather than merely textual.

Urbanization Changes Caste Without Erasing It

India’s growing cities bring populations into new proximity.

People from different regions, religions, and castes work together in universities, companies, transport systems, hospitals, and apartment complexes.

This can weaken older boundaries.

It can also reproduce them in new forms. Marriage networks remain caste-conscious. Residential patterns can remain religiously segregated. Professional friendship does not automatically create family-level social integration.

Urban mission should therefore neither assume caste has disappeared nor imagine cities function exactly like villages.

The relevant social barriers need to be researched rather than inherited from an old ethnographic map.

Conversion Laws. Several Indian states regulate religious conversion through laws commonly described as freedom-of-religion or anti-conversion statutes. The wording and enforcement vary by state and over time, often focusing on conversion through force, fraud, inducement, or “allurement.”

Because legal provisions can change, any final publication naming a specific statute requires current law-level verification. The broader missionary implication is stable: conversion can be politically contested and legally scrutinized.

Missionaries should therefore resist sensational generalization.

India does not have one uniform conversion-law regime.

At the same time, legal uncertainty can produce real fear among religious minorities and evangelists.

Nationalism and Christian Identity

Hindu nationalism has become an increasingly important political force in India. Its relationship to the Hindu religion, the Indian state, and minority communities varies across movements and actors.

Some nationalist rhetoric portrays Christianity and Islam as foreign religions in contrast to traditions seen as indigenous to India. This creates a missionary challenge with deep historical roots because Christianity is simultaneously:

• ancient in India;
• globally associated with Western mission;
• represented by local Indian churches;
• sometimes funded internationally.

Foreign missionary behavior can therefore reinforce or challenge the claim that Christianity is alien.

Locally rooted Christian leadership becomes politically and culturally significant as well as ecclesiologically desirable.

The Census Problem. Reliable demographic discussion of India faces an unusual timing problem.

The most recent completed nationwide census remains the 2011 Census. The census originally expected around 2021 was delayed. Census 2027 is now actively underway.

By August 12, 2026, the Government of India reported that the first houselisting phase had been completed in 31 states and union territories, with remaining areas expected to complete the phase shortly thereafter. Main population enumeration is scheduled primarily for February 2027, with different timing in designated snow-bound areas.⁶

Therefore detailed official national religion figures remain based on 2011 at this book’s data freeze.

This matters because missionary literature frequently presents old census percentages without the observation year.

A 2011 official figure is not a 2026 census fact.

Census and Conversion. Religious census categories also contain interpretive complexities.

Legal benefits associated with Scheduled Caste status, contested classification of tribal religions, self-identification, and social pressure can affect how some populations relate to official categories. Missionary estimates sometimes attempt to account for people who privately identify as Christian while remaining officially registered under another religion.

Such claims should be treated cautiously.

Hidden-Christian estimates are especially vulnerable to confirmation bias because evidence is difficult to verify.

The safer approach is to distinguish:

• official census identity;
• survey identity;
• church membership estimates;
• missionary claims.

Each measures a different thing.

Pakistan. Pakistan demonstrates another interaction between religion, nation, and minority status.

The state was formed through Partition as a homeland for South Asian Muslims, though its political and religious identity has developed through subsequent constitutional and military history. Christians form a minority and include communities with their own caste and socioeconomic histories.

Blasphemy law controversies, sectarian conflict, social discrimination, and security concerns can shape Christian life and evangelistic freedom.

A missionary approach imported from Hindu-majority India would therefore misunderstand the environment even where languages and some cultural patterns overlap.

Bangladesh. Bangladesh emerged through the linguistic and political struggle that separated East Pakistan from West Pakistan in 1971. Bengali language and national identity therefore play roles not reducible to religion alone.

The country is Muslim-majority with Hindu, Buddhist, Christian, and other minorities. Dense population, rural networks, migration, and economic change produce a missionary environment distinct from Pakistan despite shared Muslim majority.

Again, national history matters.

Nepal and Sri Lanka. Nepal’s transition from Hindu monarchy toward a secular republic changed the formal political context for religious minorities and conversion while Hindu cultural influence remains strong.

Sri Lanka contains a Buddhist majority, Hindu Tamil populations, Muslims, and substantial Christian communities shaped by Portuguese, Dutch, and British colonial histories as well as local traditions. Decades of civil war profoundly shaped ethnic relations between Sinhalese and Tamil populations.

A South Asia chapter that speaks only of Hinduism and caste would therefore miss major regional diversity.

Social Belonging After Conversion

Across these contexts, one missionary question repeatedly returns:

What community receives the convert?

If becoming Christian requires leaving one’s whole social world and entering a church culturally dominated by another caste, ethnicity, or language, Christian faith can become associated with social extraction.

Some separation may be unavoidable. The gospel can create conflict with family expectations. Christian ethics can challenge inherited practices.

The church should not add unnecessary alienation.

This is why contextualization and locally rooted churches matter so much.

The objective is not to make conversion costless.

It is to ensure that the cost comes from allegiance to Christ rather than avoidable foreign social forms.

Caste and Church Planting Strategy. People-group missiology has sometimes responded to caste by favoring homogeneous churches, reasoning that people convert more readily without crossing major social barriers.

The strategy can produce rapid local access.

It also creates an ecclesiological tension.

If the church permanently reproduces caste segregation because crossing boundaries would slow growth, has missionary strategy reinforced the very hierarchy the gospel should challenge?

The answer cannot be simplistic.

Forcing immediate social integration without understanding local dynamics can endanger new believers and produce artificial churches.

Accepting permanent caste exclusion contradicts Christian teaching on unity and dignity.

Mission may need to distinguish between initial social accessibility and long-term ecclesial reconciliation.

Growth and faithfulness do not always move at the same speed.⁷

Christianity as Indian

Finally, Indian Christianity itself must be permitted to appear as Indian.

The presence of ancient churches, Indian theologians, pastors, missionaries, Bible translators, monastic traditions, reformers, evangelists, and institutions makes it historically wrong to speak as though Christianity belongs naturally to Europe and arrives externally in India.

Foreign missions remain part of the story.

They do not own it.

This has a practical implication.

The future of Christian witness in South Asia will depend less on permanent foreign missionary expansion than on the strength, integrity, cross-cultural capacity, theological maturity, and missionary imagination of South Asian churches themselves.

The outsider may still contribute greatly.

The outsider should increasingly contribute toward that local agency.

Beyond South Asia

South Asia demonstrates how little a religious label can tell us about lived access.

The next chapter widens the problem.

In East Asian and other religious environments, even the affiliation label itself can become misleading. People who report “no religion” may practice ancestor rites, believe in unseen beings, visit temples, or inhabit moral worlds shaped by Buddhism, Confucian traditions, popular religion, and family ritual.

To map the unfinished mission accurately, we need to move beyond the checkbox.

Footnotes

1. United Nations Department of Economic and Social Affairs, Population Division, World Population Prospects 2024, the current UN population estimates and projections dataset used for country-level population comparisons in this edition. ↩

2. Pew Research Center, How the Global Religious Landscape Changed From 2010 to 2020, estimating approximately 1.2 billion Hindus, 14.9 percent of the global population, in 2020. ↩

3. Pew Research Center, Religion in India: Tolerance and Segregation (June 29, 2021). The survey included nearly 30,000 face-to-face interviews and found caste identification across Hindus, Muslims, Christians, Sikhs, Buddhists, and Jains. ↩

4. Ibid., chapters on religious segregation, friendship, neighborhood preference, marriage, and caste. ↩

5. Ibid., findings on Muslim national identity, social segregation, and communal relations. ↩

6. Government of India, Press Information Bureau, census progress update, August 12, 2026; Ministry of Home Affairs documentation concerning Census 2027. As of August 2026, 2011 remained India’s latest completed nationwide census. ↩

7. For caste and Christianity, see Susan Bayly, Caste, Society and Politics in India; Rowena Robinson, scholarship on Indian Christianity; Chad M. Bauman on conversion and anti-Christian conflict; Chandra Mallampalli on South Asian Christian history. ↩