Describe the world pattern of sex ratio.

Explanation

On an average, the world population reflects a sex ratio of 102 males per 100 females. 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. The world pattern of sex ratio does not exhibit variations in the developed regions of the world. The sex ratio is favourable for females in 139 countries of the world and unfavourable for them in the remaining 72 countries listed by the United Nations In General Asia has a low sex ratio countries like China india Saudi Arabia, Pakistan Afghanistan have ones a lower sex ratio.
On the other extreme is a greater part of Europe (including Russia) where males are in minority. A deficit of males in the populations of many European countries is attributed to better status of women, and an excessive male-domainated out-migration to different part of the world in the past.