India has counted its people every ten years since 1881. The 2021 Census was the first to miss that schedule, delayed by COVID-19 and then held back for years. India spent over a decade planning on 2011 numbers.
Census & Demography
India's decennial Census is one of the world's largest peacetime exercises — a full count of every person. The last was in 2011; the next, with a main reference date of 1 March 2027, will be India's first fully digital census and its first to count caste since 1931. The chart shows the government's official population projection based on Census 2011.

| Year | Population (projection) |
|---|---|
| 2011 | 121.1 crore |
| 2012 | 122.7 crore |
| 2013 | 124.3 crore |
| 2014 | 125.8 crore |
| 2015 | 127.4 crore |
| 2016 | 129.0 crore |
| 2017 | 130.4 crore |
| 2018 | 131.9 crore |
| 2019 | 133.3 crore |
| 2020 | 134.7 crore |
| 2021 | 136.1 crore |
| 2022 | 137.4 crore |
| 2023 | 138.6 crore |
| 2024 | 139.9 crore |
| 2025 | 141.1 crore |
| 2026 | 142.3 crore |
Why it matters Almost everything relies on Census numbers — welfare targeting, planning, the share of seats a state gets, and eventually the delimitation of constituencies. Running on 2011 data for over a decade left policy working with an outdated map of the country; a fresh, digital, caste-counted census resets that foundation.
- The next Census has a main reference date of 1 March 2027 (1 October 2026 for Ladakh and snow-bound areas; 5 January 2027 for Goa, Uttar Pradesh, Punjab and non-snow-bound Uttarakhand).
- It will run in two phases with a total outlay of about Rs 11,718 crore.
- It is India's first digital census: enumerators use a mobile app, and households can self-enumerate on an online portal.
- For the first time since 1931, it will enumerate caste beyond SC/ST categories.
History
Notable milestone
In 2025 the government notified the next Census, with a reference date of 1 March 2027 (1 October 2026 for Ladakh and snow-bound areas); a September 2026 notification set 5 January 2027 for Goa, Uttar Pradesh, Punjab and non-snow-bound Uttarakhand. It will be India's first fully digital census — and, for the first time since 1931, it will count caste beyond the SC/ST categories.
How it works
The count runs in two phases: houselisting (mapping every dwelling and its amenities), then population enumeration (counting every person). Enumerators use a mobile app, and households can opt to self-enumerate online — a major shift from paper schedules — with a total outlay of about Rs 11,718 crore.
Outlook
Census data underpins almost everything: how many seats a state gets, where welfare and infrastructure go, and — eventually — the delimitation of constituencies and women's reservation. Fresh, granular data lets planning match reality instead of a 15-year-old snapshot.
By the numbers
1 March 2027 — main Census reference date. Rs 11,718.24 crore approved outlay. 142.3 crore — projected population on 1 March 2026. Two phases — houselisting, then population count. First digital census, with self-enumeration. First caste count since 1931. Sources: Registrar General of India, National Commission on Population, PIB.
Data current to: Projection as on 1 March 2026 (base: Census 2011)
Source: National Commission on Population (Ministry of Health and Family Welfare), Report of the Technical Group on Population Projections 2011–2036 (linked) — India's projected population as on 1 March each year, built from Census 2011: 121.1 crore in 2011 (the census count), 142.3 crore on 1 March 2026 and 151.8 crore by 2036. These are official projections, not census counts; India has had no census since 2011. Census 2027's main reference date is 1 March 2027, with 1 October 2026 for Ladakh and snow-bound areas and 5 January 2027 for Goa, Uttar Pradesh, Punjab and non-snow-bound Uttarakhand (Gazette, 5 September 2026). · link