1.Notification for Census 2027 First Phase (Census 2027)
What & Where
Census of India 2027 – 16th national headcount, 8th post-Independence, conducted under Census Act 1948.
Two phases: Houselisting & Housing Census (Apr–Sep 2026); Population Enumeration (Feb 2027) with separate Ladakh, snow-bound schedule.
Executed pan-India by Office of Registrar General & Census Commissioner, Ministry of Home Affairs.
Quick Facts for MCQs
Legal & Policy
- Statutory mandate: Census Act 1948; Rules 1990 empower enumerators, ensure confidentiality, prescribe penalties
- Data guides reservations, Finance Commission transfers, constituency delimitation, SDG tracking
- Central steering by MHA; state directorates provide enumerators, logistics
Tech & Schemes
- Mobile app uploads encrypted schedules, removing manual paper flow
- CMMS dashboards enable real-time progress tracking, exception alerts, supervisor oversight
- CaaS supplies API-ready, machine-readable micro-datasets for ministries, academia
Historical Background
- 1872 non-synchronous first count; 1881 first synchronous all-India census
- 1951 first post-Independence enumeration; 2021 round deferred to 2027 after pandemic
- Last caste-wise enumeration occurred in 1931 British census
Social Concerns
- Electronic caste data expected to sharpen OBC, SC/ST welfare targeting
- Self-enumeration may improve participation of urban migrants, digitally literate households
- Privacy safeguards crucial amid granular, geo-tagged household information
Key Data Points
| Feature | Data-Point |
|---|---|
| Overall serial number | 16th Census |
| Post-Independence count | 8th |
| Legal basis | Census Act 1948 & Rules 1990 |
| HLHC timeline | Apr–Sep 2026 |
| PE timeline | Feb 2027 |
| Data capture mode | Android & iOS mobile app |
| Self-enumeration window | 15 days before field visit |
| First caste count after | 1931 Census |
| Monitoring platform | Census Management & Monitoring System |
| Geo-tagging tool | GIS-based House Listing Block Creator |
| Clean-data initiative | Census-as-a-Service |
| Admin ministry | Ministry of Home Affairs |
Related UPSC Prelims PYQs
Consider the following statements with reference to Census in India:
In the Presidential election in India, every elected member of the Legislative Assembly of a State shall have as many votes as there are multiples of one thousand in the quotient obtained by dividing the population of the State by the total number of the elected members of the Assembly. As at present (1997) the expression "population" here means the population as ascertained by the



