Every five years, hundreds of millions of Indians walk into polling booths and press a button on an electronic voting machine. But the decision behind that single press is rarely simple. A voter’s choice is shaped by identity, memory, economic anxiety, loyalty, and sometimes a last-minute change of heart. Understanding why people vote the way they do is one of the central puzzles of democratic politics, and in a country as diverse as India, the answers are especially layered. This is the study of voting behaviour.
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What is voting behaviour?
Voting behaviour refers to the pattern of how people cast their votes and the factors that influence those choices. It tries to explain what shapes a voter’s preference for a particular candidate or party during elections. Sociologist Gordon Marshall described it as the study of why people vote in public elections as they do and how they arrive at their decisions.
Importantly, voting behaviour is not just about counting numbers. While it does involve observing voting statistics, electoral records, and shifts in vote share, it goes much deeper. It also examines psychological aspects such as a voter’s perception, emotions, and how these connect to political action and institutional patterns. In other words, it studies both the visible data and the invisible mental processes behind every vote.
The right to vote itself is the foundation of this entire field. India follows universal adult franchise, meaning every citizen aged 18 and above can vote regardless of caste, class, religion, gender, or region. This makes the electorate enormously varied, and that diversity is exactly what makes voting behaviour so fascinating to study.
Psephology: the science of studying elections
The scientific study of voting behaviour is known as psephology. The term has an interesting origin. It comes from the classical Greek word psephos, meaning a piece of pottery on which ancient Greeks inscribed their votes, often to decide whether to banish someone considered dangerous to the state.
Psephology analyses questions about voter behaviour during elections. Why do voters prefer one party over another? Is it economic factors like employment, inflation, and poverty? Or is it non-economic factors like the appeal of a strong, charismatic leader? Psephologists use these patterns to interpret and even predict election outcomes.
How election studies began in India
Systematic election studies in India took shape in the 1960s. They were pioneered by Rajni Kothari, a scholar at the Centre for the Study of Developing Societies (CSDS), New Delhi, along with Myron Weiner, an American political scientist who specialised in Indian politics. Today these studies are conducted under an organisation known as Lokniti, and the surveys are called the National Election Study (NES). Researchers survey voters both before and after elections to understand what truly drives their choices.
Why studying voting behaviour matters
Understanding voting behaviour is valuable for several reasons. It helps us comprehend the process of political socialisation, or how citizens absorb political values. It reveals how deeply democracy has been internalised as a value among both ordinary masses and the elite. It also helps measure whether electoral politics continues old patterns or breaks with the past, and whether a society’s political development is modern or still rooted in primordial identities.
For political parties, this knowledge is practical. By understanding what moves voters, parties design campaigns, choose candidates, and frame policies. For researchers and policymakers, it offers a window into the health of democracy itself.
Key determinants of voting behaviour in India
Indian society is highly diverse, so voting behaviour here is shaped by many overlapping factors. These can broadly be grouped into socio-economic factors and political factors. The most significant determinants include caste, class, gender, tribe, religion, language, and ethnicity. Let us look at each of these closely.
Caste
Caste has deep roots in Indian society and remains one of the most powerful determinants of voting behaviour. The connection is so strong that a popular saying goes, “Indians do not cast their votes; rather, they vote their caste.” Political parties account for caste while building election strategies, selecting candidates, and forming alliances.
Scholars have long studied this link. As the political scientist W.H. Morris-Jones observed, politics has become more important to caste and caste more important to politics than before. Large and influential castes in a constituency often back either a respected member of their own community or a party they identify with. The rise of parties like the Bahujan Samaj Party, built around the Dalit vote base, shows how caste identity can become the foundation of an entire political movement.
However, caste voting is rarely an all-or-nothing block. Despite a tendency among caste members to favour a particular party, there is almost never complete en bloc caste voting. Recent research also suggests that class elements are increasingly mixing with caste, especially at the level of the jati, as socio-economic differences emerge even within the same caste group.
Class
Economic class influences voting behaviour through issues like employment, inflation, subsidies, and loan waivers. Different income groups often support parties whose economic promises align with their interests. Lower-income groups may favour parties that offer social welfare schemes, while wealthier groups may lean towards parties promising economic liberalisation and tax relief.
Slogans built around class have a long history of electoral success. The “Garibi Hatao” (Remove Poverty) campaign of the Indira Gandhi government resonated powerfully with the masses in the 1971 elections. More recently, welfare schemes and the campaigning built around them have shaped electoral fortunes, showing that economic appeals remain a reliable tool for parties.
Gender
Gender has emerged as one of the most striking stories in modern Indian elections. For decades, voting was a male-dominated activity. In the 1962 Lok Sabha elections, only about 47% of women voted compared to 62% of men. That gap has now almost vanished. By 2014, women voters surpassed men by a narrow margin in turnout, and since then women have continued to vote at a marginally higher rate than men.
This shift is significant. Women now make up nearly half the electorate, and in states like West Bengal, Tamil Nadu, Bihar, and Odisha, female turnout has equalled or exceeded male turnout. The Election Commission’s measures in the late 1990s, such as distributing Electors Photo Identity Cards and running awareness drives, helped narrow the divide.
Just as important, women are increasingly voting independently. A Lokniti-CSDS survey of 5,000 first-time young female voters found that more than three out of five said they would vote without being influenced by their families, and 65% rejected the idea that men make better political leaders than women. Recognising this, parties now design welfare schemes specifically targeting women voters. Yet a paradox remains: while women vote in huge numbers, their representation in legislatures stays low, with women historically forming only around 14% of the Lok Sabha.
Tribe
Tribal communities form a distinct voting bloc with concerns rooted in their unique way of life. The most common determinants of tribal voting behaviour are the protection of their cultural identity, the sustenance of natural resources such as forests and minerals, and resistance to the influx of outsiders that can erode their traditions and land rights.
Parties that champion these causes tend to win tribal support. The Jharkhand Mukti Morcha, for instance, built its political base by focusing on tribal issues. Tribal voters often rally behind candidates who promise to address land rights, access to basic amenities, and the preservation of their forests and culture.
Religion
Religion significantly shapes electoral choices in India. Voters often consider the religious background of candidates, particularly in regions with religious diversity. A Pew Research Center study found that religion played a role in voting decisions for 64% of Indian adults. Religious sentiments and communal issues can become potent forces during campaigns, and parties frequently appeal to specific religious communities to consolidate their support.
Language and ethnicity
Language is another influential factor, especially at the national level, where the divide between Hindi and non-Hindi regions has shaped politics. Ethnicity overlaps closely with regional and cultural identity. Many regional parties have grown out of ethnic movements that demand recognition of a community’s distinct identity, language, or interests, mobilising voters around a shared sense of belonging.
Beyond identity: other influences on the vote
While social identities dominate, several other factors shape voting behaviour. The personal charisma of leaders plays a major role, so much so that many Indian parties have become leader-centric rather than ideology-centric. Ideology still matters in some places, as seen in the long communist strongholds of Kerala, Tripura, and West Bengal. Regionalism, the anti-incumbency factor, the use of money, media coverage, and the performance of the ruling party all feed into the final decision a voter makes.
What makes voting behaviour so complex is that these factors rarely act alone. A single voter might weigh caste loyalty against a welfare scheme, religious identity against a charismatic leader, and regional pride against national issues, all before pressing one button. Studying these intersections is precisely what psephology aims to do.
What do you think? If a young, educated voter today increasingly decides independently of family and community, will identity-based factors like caste and religion gradually weaken, or will they simply take new forms? And given that women now vote in equal or greater numbers than men, why do you think this has still not translated into proportional representation in our legislatures?
References
- https://byjus.com/free-ias-prep/voting-behaviour/
- https://egyankosh.ac.in/bitstream/123456789/66628/1/Block-2.pdf
- https://jagiroadcollegelive.co.in/attendence/classnotes/files/1589303295.pdf
- https://ijfans.org/uploads/paper/bb8e5dd31e2a01d448c01de163dc974a.pdf
- https://www.99notes.in/upsc-notes/general-studies-2/polity/elections-in-india/voting-behaviour/
- https://www.pressreader.com/india/hindustan-times-st-noida/20210508/281818581704730
- https://carnegieendowment.org/research/2024/04/what-lies-behind-indias-rising-female-voter-turnout?lang=en
- https://dhruvresearch.com/our_work/our_categories/governance/DecodingVotingBehaviour.html
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