UP Police Constable · Bite-size lessons
Census, Population & Demography
About 6 min · General Knowledge · English
Time worked out from the lesson's 332 words at 150 words a minute, plus a minute for each question.
Census, population and demography form a critical component of General Knowledge for UP Police Constable exam. Questions test awareness of India's demographic profile, census operations, key indicators like literacy rate and sex ratio, and specific data about Uttar Pradesh. Understanding these metrics is essential as they reflect the socio-economic state of the nation and inform policy decisions.
Key ideas
- Census is the official enumeration of population conducted every 10 years in India since 1872; the first complete census was in 1881. Census 2011 was the 15th National Census.
- Sex Ratio is defined as the number of females per 1000 males. India's overall sex ratio (2011) is 943, while the child sex ratio (0-6 years) is 919, indicating gender imbalance.
- Literacy Rate measures the percentage of population aged 7 years and above who can read and write with understanding. India's literacy rate (2011) is 74.04% — male 82.14%, female 65.46%.
- Population Density indicates the number of persons per square kilometer. India's density (2011) is 382 persons/sq km, with UP being one of the most densely populated states.
- Decadal Growth Rate shows the percentage increase in population over the previous decade. India's decadal growth (2001-2011) was 17.64%, showing a declining trend from previous decades.
Quick reference
- India Population 2011: 121 crore | UP Population: 19.98 crore (most populous)
- National Sex Ratio: 943 | UP Sex Ratio: 912 (below national average)
- National Literacy: 74.04% | UP Literacy: 67.68% (below national average)
- Census Frequency: Every 10 years since 1872; 15th Census was in 2011
- UP Population Density: 828/sq km (India average: 382/sq km)
Check yourself: 3 questions
1. According to Census 2011, what is the literacy rate of Uttar Pradesh?
2. The sex ratio in India as per Census 2011 is defined as the number of females per 1000 males. What was the overall sex ratio of India in Census 2011?
3. Census 2011 recorded that India's population crossed 121 crore. Which state of India has the highest population according to Census 2011?
This lesson is cut from the topic's note, not rewritten. Fact-checked on 18 Oct 2026: an AI-assisted check of this note against cited sources; the errors it found were corrected that day. Some errors may remain. The questions are from Shishya's validated question bank.
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