Unlock Elite Access: Level Up Your Preparation with Exclusive Content

Sociology Optional PYQ Solutions · Model answer

Write short note : The demographic transition.

  • UPSC 1991
  • Population Dynamics

Warren Thompson (1929) first grouped countries by their contrasting patterns of birth and death rates; Frank Notestein (1945) turned that classification into the theory of the demographic transition — the movement, under modernisation, from high birth and death rates to low ones, through an intervening phase of rapid growth. It remains demography's only general model…

You are reading the opening of the model answer. The full answer is part of Sociology Optional PYQ Solutions.

What the full answer covers

  • The stages
  • Why mortality falls before fertility
  • India's transition
  • Criticisms
  • Conclusion

Unlock this answer and 1,500+ more

  • 1,500+ solved UPSC Sociology PYQs from 1985 to 2026, Paper-1 and Paper-2
  • Topic-wise across all 25 syllabus units, newest exam year first
  • A full model answer for every question, shaped to 10 or 20 marks, with thinkers and Indian examples
  • Read online on lotusarise.com, plus PDF download

₹1,499₹2,50040% off

Get Sociology Optional PYQ Solutions @ ₹1,499 →

One-time payment · 12 months of access · Instant access · UPI, cards, RuPay