What is sex ratio ? Explain the world pattern of sex ratio with suitable examples.
The ratio between the number of women and men in the population is called Sex Ratio.
World pattern of sex ratio :
(i)The world population reflects a sex ratio of 102 males per 100 females. The world pattern of sex ratio does not exhibit variations in the developed regions of the world.
(ii) The highest sex ratio in the world has been recorded in Latvia where there are 85 males per 100 females. In contrast, in Qatar there are 311 males per 100 females.
(iii) The sex ratio is favorable for females in 139 countries of the world and unfavorable for them in the remaining 72 countries listed by the United Nations.
(iv) In general, Asia has a low sex ratio. Countries like China, India, Saudi Arabia, Pakistan, Afghanistan have a lower sex ratio. On the other extreme is greater part of Europe (including Russia) where males are in minority.
