Census 2011
- First Census: 1872, under Viceroy Lord Mayo.
- Decadal Census Start: 1881, under Viceroy Lord Ripon, with a 10-year interval.
- First Census Commissioner of India: W.C. Plowden.
- 2011 Census:
- 15th census overall.
- 7th census since India's independence (from 1951).
- 14th decadal census.
- Commissioner: C. Chandramouli.
- Motto: "Our Census, Our Future."
- India's Population: 121.09 crore (second globally at the time, now first).
- Decadal Growth (2001-2011): 17.7%.
- Gender Distribution:
- Males: 51.47%
- Females: 48.53%
- "Great Divide" Year: 1921. During the 1911-1921 decade, population decreased due to famine and epidemics.
Key Demographic Data (2011 Census)
| Category | Rank 1 (State) | Value/Detail | Rank Last/Lowest (State) | Value/Detail |
|---|---|---|---|---|
| Area | Rajasthan | Goa | ||
| Area (UT) | Ladakh | Lakshadweep | ||
| Population (States) | Uttar Pradesh | 16.51% of India's population | Sikkim | 0.05% |
| Maharashtra | (2nd) | Mizoram | (2nd lowest) | |
| Bihar | (3rd) | Arunachal Pradesh | (3rd lowest) | |
| West Bengal | (4th) | Goa | (4th lowest) | |
| Decadal Growth Rate | Meghalaya | 27.9% | Nagaland | -0.6% (only state with negative growth) |
| Population Density | Bihar | 1106 people/km² | Arunachal Pradesh | 17 people/km² |
| India's Pop. Density | 382 people/km² | |||
| Population/Density (UTs) | Delhi | (Highest for both) | Lakshadweep (Lowest Population) | |
| Sex Ratio (India) | 943 females/1000 males | |||
| Sex Ratio (States) | Kerala | 1084 females/1000 males (>1000) | Haryana | 879 females/1000 males |
| Child Sex Ratio (0-6 yrs) | Arunachal Pradesh | 972 | Haryana | 834 |
| Literacy Rate (India) | 73% (Male 80.09%, Female 64.60%) | |||
| Literacy Rate (States) | Kerala | 94% | Bihar | 61.80% |
| Rural Population (% of state) | Himachal Pradesh | 90% | ||
| Urban Population (% of state) | Goa | 62.2% | ||
| Urban Population (Numbers) | Maharashtra | 5.08 crore | ||
| SC Population (Numbers) | Uttar Pradesh | ~5.25 crore | ||
| SC Population (Percentage) | Punjab | 31.9% of state population | ||
| ST Population (Numbers) | Madhya Pradesh | ~1.5 crore | ||
| ST Population (Percentage) | Mizoram | 94% of state population |
Current Affairs (September, October, November)
- India-Thailand Maitree Exercise: 14th edition held in Umroi, Meghalaya.
- SCO Summit 2025: Held in Tianjin.
- 25th Commonwealth Senior Weightlifting Championship: Held in Ahmedabad. China secured the top position; India ranked 11th.
- Ramon Magsaysay Award 2025: Awarded to Educate Girls (Rajasthan), the first non-governmental organization recipient.
- TIME's CEO of the Year 2025: Awarded to Neil Mohan (YouTube head).
- World's Highest War Memorial: Constructed by India near the Galwan LAC.
- UNESCO Intangible Cultural Heritage Representative List: Diwali included as the 16th item (Garba dance was included previously).
- India's First Indigenous Microprocessor: Vikram 32.
- Book "Mother Valley Comes to Me": Associated with Arundhati Roy.
- Thailand's New Prime Minister: Anutin Charnavirakul.
- Cancer Vaccine (Enteromix): An mRNA-based cancer vaccine unveiled by Russia.
- India's 15th Vice President: C.P. Radhakrishnan (defeated V. Sudarshan Reddy).
- PETA India's Person of the Year 2025: Raveena Tandon.
- Pravra: Launched by SEBI to prevent misleading return claims.
- 100% Voter Roll Digitalization: Rajasthan is the first state to achieve this.
- India's First Women's Tri-Service Water Journey Campaign "Samudri Pradakshina": Associated with IASV Triveni.
- First Country to Appoint AI Minister (Daila) for Anti-Corruption: Albania.
- Indian Navy's IAS Aravali Commissioning: Gurugram.
- India's Fastest Train (160 km/hr): Namo Bharat (Regional Rapid Transit System, Delhi-Meerut route).
- New G20 Organization Inclusion: Poland proposed for inclusion.
- India's Second Inter-State Tiger Relocation: From Pench Tiger Reserve to Rajasthan.
- 5th Khelo India University Games:
- Top position: Chandigarh University.
- Held in 7 cities in Rajasthan.
- Mascot: "Khambaghani".
- First World Teak Conference: Held in Kochi.
- Dadasaheb Phalke Award: Awarded to Mohanlal (Malayalam film industry superstar).
- Indian Army's Amog Pury Agni Exercise: Rajasthan.
- 28th National Conference on E-Governance: Held in Visakhapatnam.
- Antarctica Ozone Hole: Record contraction observed; first discovered in 1985.
- Deaflympics 2025: Indian contingent secured 6th position.
- Operation Sagar Bandhu: Launched by India to aid Sri Lanka after Cyclone Ditwah.
- Cyclones mentioned: Shakti (named by Sri Lanka), Month (named by Thailand), Ditwah (named by Yemen).
- BCCI New President: Mithun Manhas. Secretary: Devjeet Sekia.
- Living Bridge Award (India-Britain Free Trade Agreement): Awarded to Keir Starmer (UK Prime Minister).
- National E-Governance Award (Digital Service Delivery): Awarded to Rohini Gram Panchayat (Maharashtra).
- UNEP Young Champions of the Earth Award: Awarded to Jinani Modi (Maharashtra).
- Global Brand of the Year Award (London): Awarded to Kemikara (Indian Rum).
- Asia Power Index: India ranked 3rd (USA 1st, China 2nd).
- ICC Men's T20 World Cup 2026 Brand Ambassador: Rohit Sharma.
- Junior World Ranking (Judo): Himanshi Tokas became the first Indian to top the rankings.
- MiG-21 Aircraft Decommissioning Ceremony: Held in Chandigarh. MiG-21 will be replaced by Tejas (Light Combat Aircraft).
- Prachand is a Light Combat Helicopter.
- Hindustan Aeronautics Limited (HAL) is the manufacturer and India's 15th Maharatna Company.
- UNESCO World Biosphere Reserve Network: Sheetal Marusthal (Himachal Pradesh) included.
- Ramsar Sites (New Inclusions):
- Gokul Reservoir and Udaipur Lake (Bihar).
- Goagabil (Bihar, 94th site).
- Silised Lake (Alwar, 96th site).
- Rajasthan additions: Khichan and Menar.
- ISSF World Championship Rifle/Pistol 25 (Egypt): India won 13 medals.
- New Species of Owl Fly: Discovered in Kerala after 134 years.
- India-Nepal Joint Exercise (Surya Kiran): Held between India and Nepal.
- First World Seafood Congress 2026: Held in Chennai.
- TIME 100 Next List 2025 (Cricket): Yashasvi Jaiswal (only cricketer).
- Namo Van Foundation Stone: Laid by Bhupendra Yadav (Union Environment Minister) in Manesar, Haryana.
- ICC Men's T20 Batter Ranking (931 points): Abhishek Sharma achieved a new record.
- Tata Airways H125 Helicopter Final Assembly Line: To be set up in Bengaluru, Karnataka.
- Central Cabinet Mission for Pulses (2030-31): A 6-year mission for self-reliance in Arhar, Urad, and Masoor.
- Japan's First Female Prime Minister: Sanae Takaichi.
- Indian Coast Guard 10th National Level Pollution Response Exercise (NETPOLREX X): Held in Chennai.
- India-England Joint Exercise (Konkan): Held between India and England.
- Global Fintech Fest: Held in Mumbai.
- India's 53rd Chief Justice: Suryakant.
- Longest tenure: Y.V. Chandrachud.
- Shortest tenure: Kamal Narain Singh.
- First Chief Justice: H.J. Kania.
- 52nd Chief Justice: B.R. Gavai.
- Davis Cup 2025: Italy won, defeating Spain.
- IUCN Congress 25: Held in Abu Dhabi.
- India's National Red List Road Map: Unveiled at the IUCN meeting in Abu Dhabi.
- Supreme Court Ruling on District Judge Direct Recruitment: Judicial officers with 7 years of experience can compete.
- IUCN Canton R. Miller Award: Awarded to Sonali Ghosh (first Indian recipient).
- IUCN's 90th Member Country: Tuvalu (latest member). Armenia was also a recent inclusion.
- IAF Tejas Jet Crash: Occurred during the Dubai Air Show.
- G8 Inclusion: Europe gave consent to include Russia (Russia has not yet agreed).
- Miss Universe 2025: Won by Fatima Bose (Mexico). Manika Vishwakarma represented India.
- Indian Cricketers' Association President (First Female): Shantha Rangaswamy.
- 22nd ASEAN-India Summit: Held in Malaysia.
- Manama Asian Youth Games 2025: Indian contingent won 48 medals.
- ICC Women's World Cup 25: India won, defeating South Africa.
- India's Captain: Harmanpreet Kaur.
- India's Coach: Amol.
- Host: India (final held at DY Patil Stadium, Navi Mumbai).
- South Africa's Captain: Laura Wolvaardt.
- World's First Floating Artificial Island (by 2028): Announced by China.
- India's First PSLV Rocket (private company): Developed by HLLT (Hindustan Aeronautics Limited and Larsen & Toubro).
- Colombo Security Conclave New Member: Seychelles.
- 12th Pro Kabaddi League: Won by Dabang Delhi.
- Nobel Prize Winner James Watson (97 years old, deceased): Associated with the discovery of the DNA helix model.
- Multilateral Exercise Malabar: Held in Guam. Participants: India, USA, Japan, Australia.
- India-Sri Lanka Joint Exercise (Mitra Shakti): Held in Karnataka.
- Global Climate Change Performance Index 26: India ranked 23rd (previously 13th), primarily due to high coal usage.
- ICC Under-19 Men's Cricket World Cup 26 Hosts: Zimbabwe and Namibia.
- Bihar Chief Minister: Nitish Kumar sworn in for the 10th time.
- Hanimaadhoo International Airport: Inaugurated in Maldives with India's assistance.
- UNESCO Director General: Khalid Al Anani from Egypt.
- 8th India-Britain Ajeya Warrior Exercise: Held in Bikaner.
- Indian International Film Festival (Goa): 56th edition held.
- 20th G20 Summit: Held in Johannesburg, South Africa. The next (2026) summit will be in the USA.
- Birsa 1001: A CRISPR gene therapy developed for the treatment of sickle cell anemia, which causes red blood cells to become sickle-shaped leading to anemia.
- International Gita Mahotsav 2025:
- Partner State: Madhya Pradesh.
- Host State: Haryana.
- India's First Indigenous Anti-Submarine Warfare Vessel (IAS Mahe) Commissioning: Mumbai.
- Heligubbi Volcano Eruption: Located in Ethiopia, erupted for the first time in over 12,000 years.
- FIDE Chess World Cup 25: Won by Javokhir Sindarov (Uzbekistan). Held in Goa.
- Ambaji Marble: Awarded a GI tag, from Gujarat.
- Sentinel-6B Satellite: Launched using a Falcon 9 rocket.
- Sahitya Akademi Bal Sahitya Puraskar 2025 (Hindi): Awarded to "1/1".
- 2030 Commonwealth Games Host: Ahmedabad, India (2026 host: Glasgow, Scotland).
- Cyclone Ditwah: Caused damage in Sri Lanka, named by Yemen. India launched Operation Sagar Bandhu.
- Blue Flag Certification (Beaches): Sonapur and Puri (Odisha). Puri is also known as Golden Beach.
- 6th National Water Awards 2024 (Best State): Maharashtra.
- Lepcha Musical Instrument: Awarded a GI tag, from Sikkim.
- Booker Prize 2025: Won by David Sledgener for "Flash".
- Germanwatch Climate Risk Index 2026 (1995-2024): India ranked 9th.
- Cambridge Dictionary Word of the Year 2025: "Vibe Coding."
- ISRO Mars Orbiter Mission 2 (Mangalyaan 2) Launch: Announced to be by 2030.