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The first phase of Census 2027, the Houselisting and Housing Census, has been completed in 31 States and UTs, with the rest scheduled by September 2026.
Population enumeration in Ladakh and the snow-bound non-synchronous areas of Jammu & Kashmir, Himachal Pradesh and Uttarakhand runs from 1 to 30 September 2026.
A revisional round follows from 1 to 5 October 2026, with self-enumeration available from 17 to 31 August 2026.
Self-enumeration through an online web portal has been offered for the first time in an Indian census.
Rs 4,102 crore has been released to States and UTs for training, manpower, technical infrastructure and honorarium.
An Indian census is designed to be synchronous: the entire country is counted with reference to a single moment, so that the population figure describes one instant rather than a moving target. The 1872 census, India's first, was conducted non-synchronously in different parts of the country, and it was from 1881 that decennial synchronous censuses began. But synchrony is impossible everywhere. In snow-bound Himalayan areas — Ladakh, parts of Jammu & Kashmir, Himachal Pradesh and Uttarakhand — the reference period for the rest of India falls in late winter, when passes are closed, households have moved to lower altitudes and enumerators cannot physically reach settlements. These are therefore designated non-synchronous areas and counted earlier, in the preceding autumn, with their own reference date. That is what the Gazette notification of 3 August 2026 does: it fixes 1 to 30 September 2026 for population enumeration in these areas, followed by a revisional round from 1 to 5 October to capture births, deaths and movement since the main count. The census also runs in two distinct phases everywhere — first the Houselisting and Housing Census, which records buildings, households and their amenities and produces the frame for the second phase, and then Population Enumeration, which counts people. The genuinely new element this cycle is self-enumeration: for the first time, respondents may fill their own details through an online web portal rather than waiting for an enumerator, with a dedicated window from 17 to 31 August 2026 for the non-synchronous areas.
Simple Analogy: It is like taking a group photograph: everyone should be captured in a single frame, but the people who cannot be present that day are photographed earlier and their picture is merged in.
The statutory framework under which the Census of India is conducted, by the Office of the Registrar General and Census Commissioner under the Ministry of Home Affairs
Census is a Union subject, which is why it is conducted by the Central Government through the Registrar General and Census Commissioner, with States providing field machinery
Fixed the population enumeration schedule for Ladakh and the snow-bound non-synchronous areas of Jammu & Kashmir, Himachal Pradesh and Uttarakhand
Census population figures are the basis on which constituencies are delimited, which is why the timing of a census carries direct political consequence
Mobile data collection, the CMMS Portal and first-ever online self-enumeration make Census 2027 India's first substantially digital census
Census sits at Entry 69 of the Union List, so it is conducted centrally even though the field workforce is drawn almost entirely from State government employees
Census data underpins beneficiary estimates for welfare schemes, National Food Security Act coverage and Finance Commission allocations, so a delayed census propagates into every one of these
The first census was conducted in 1872 non-synchronously, and decennial synchronous censuses have been held since 1881
GS Paper 2 > Polity > Union List Subjects; Governance > Statistical Systems
General Awareness > Indian Polity and Census
General Awareness > Current Affairs
Census provisions and history are steady UPSC Prelims and SSC general awareness material
The first phase of a census, recording buildings, households and their amenities, which creates the frame for the second phase
The second phase of a census, in which individuals are counted and their characteristics recorded
Snow-bound areas that cannot be enumerated on the national reference date and are counted earlier, with their own schedule and revisional round
A short follow-up round after the main enumeration to capture births, deaths and movement since the count
The facility for respondents to fill their own census details through an online web portal, provided for the first time in Census 2027
The Census Management and Monitoring System, the digital platform deployed to run the first phase of Census 2027