Surveys in India

 

Surveys in India

1. National Family Health Survey 2020-21(NFHS-5)

Year 2023

• Sex ratio- 1020
• Rural sex ratio- 1037
• Urban sex ratio- 985
• State having highest sex ratio- Kerala(sex ratio- 1084) 
• Sex ratio at birth- 933

4 types of sex ratios according to the stages of development.

• Primary Sex Ratio- Sex ratio at Fertilization
• Secondary Sex Ratio- Sex ratio at Birth 
• Tertiary Sex Ratio- Sex ratio at maturity
• Quaternary Sex Ratio- Sex ratio above the age of 60 years