India launched a fully digital census on April 1, deploying more than 3 million enumerators and offering citizens a chance to enter their information through a self-enumeration portal. Officials say the first phase will concentrate on house listing and housing conditions, gathering 33 data points such as building materials, access to electricity and clean water, and ownership of items like smartphones and vehicles. Every building will be geo-tagged to ensure geographic coverage and to map the country’s infrastructure.
A second phase, planned for early next year, will record detailed demographic and socio-economic information for each person, including age, education, and occupation. Officials aim to capture migration patterns and fertility data digitally to build a comprehensive profile of India’s population, now the world’s largest. The census will also, for the first time since 1931, include a comprehensive enumeration of castes across all communities.
Between April 1 and April 15 citizens can complete the census online. The government describes the self-enumeration site as a secure, web-based facility available in 16 regional languages, allowing people to submit details at their convenience before an enumerator visits. The authorities say the census is vital for governance and will underpin development planning for the next decade.
But the shift to digital methods has raised several concerns. Many rural residents — especially older people and those with limited tech experience — may find the online portal difficult. Their information will still need to be collected by enumerators, and critics question whether field staff will receive sufficient time and training to process the vast number of households. There are fears that households could be pushed toward self-enumeration without support, or that informal intermediaries may relay data for respondents.
Wider anxieties focus on the political uses of the data. The results, expected in 2027, will inform sensitive decisions from caste-based reservations to the redrawing of parliamentary constituencies. Critics worry data could be skewed or manipulated for political ends.
The move from paper to digital changes the scale of risk. Previously, fraudulent local tallies or manipulated entries were possible but tended to be contained and slower to process. Now data flows into central systems almost instantly, and the census collects more sensitive items than before — caste, religion, economic status, and migration — which raises stakes if information is cross-referenced with other national databases.
“The risks are not new, but digitization changes their scale. What was once local and contained can now become systemic if safeguards fail,” said S Y Quraishi, former chief election commissioner. He emphasized that credibility matters more than the technology itself and pointed to the high political stakes, including delimitation (the process of determining representation) and quotas. Quraishi said the census’ success will depend on transparency, audits, and whether it is perceived as fair and inclusive.
Economist Reetika Khera of the Indian Institute of Technology, Delhi, warned the challenge is not digitization per se but the absence of robust safeguards, transparency, and accountability frameworks to protect data integrity and security. Drawing on recent government surveys, she noted digital preparedness is low: less than half of rural women over 15 own mobile phones, and while many use payment apps, very few are comfortable with other online tasks — fewer than 1% reported being able to do net banking. That raises questions about who can realistically take part in self-enumeration.
Khera also flagged the danger of intermediaries. In other digital schemes, middlemen have sometimes facilitated fraud by offering to complete online tasks for others. If such actors begin offering “self-enumeration services,” they could become a weak point despite legal protections under the Census Act.
Observers stress that the shift to digital is more than a technical upgrade; it is a structural change in how the state counts and engages with people. Yamini Aiyar, a visiting senior fellow at Brown University, said faster processing could allow data to be operationalized with limited public scrutiny, shaping the timing and prospects for delimitation. She noted the delay since 2021 — because of the pandemic — and the drive to have results by 2027 has not been fully explained, which fuels questions about intent and sequencing. This opacity, she argued, can deepen political anxieties about how updated population figures might reshape electoral maps.
That unease is particularly strong in southern states, where there is worry that delimitation informed by updated population numbers could shift political representation northward, altering the federal balance.
Development economist Dipa Sinha acknowledged India has experience with digital data collection — long-running surveys like the National Sample Survey have used similar methods — but said the census’s scale is unprecedented and the delay has heightened concerns. She warned that mechanisms for data protection, privacy, and error correction are not clearly articulated, and in a census that gathers highly sensitive personal information, lack of explicit protocols could undermine public confidence.
As India completes its first fully digital census, experts emphasize that technical rollout is only one dimension. Ensuring training for enumerators, safeguarding privacy, preventing intermediaries and fraud, enabling meaningful transparency, and building public trust are all essential if the exercise is to be credible and accepted.
Edited by: Darko Janjevic