Amadu Jacky Kaba is an Assistant Professor in Graduate Department of Public and Healthcare Administration, Seton Hall University. ; and (2) Why is it that regardless of geographic location compared to other racial/ethnic groups, Black women or Women of sub-Saharan Black African descent tend to give birth to more females?
NJ 07079 (Tel: 973-313-6393)The two important questions that this paper will attempt to answer are: (1) why is it that regardless of race/ethnicity or geographic location, the sex ratio data at birth show more males than females?
A13)note: “The birth sex ratio (male female) of a population is often reported as the male proportion (m = number of male births divided by the total of all births).
Worldwide, the human live birth sex ratio is remarkably constant, ranging between 102 and 108 male to 100 female live births (m = 0.504-0.519)” However, a careful observation by this author of the sex ratio at birth for the over 250 countries and territories in the world shows that although more males are born at birth than females, women in sub-Saharan Africa give birth to more females than non-Black women in all other parts of the world.
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For all of Africa in this same time period, it was 13.3 million males and 16.6 million females.
Africa’s total population as of July 2006, was estimated at 910.5 million (14% of the total world population) Even when a boy manages to be born, he's still behind the survival eight ball: he is three to four times more likely than girls to have developmental disorders like autism and dyslexia; girls learn language earlier, develop richer vocabularies and even hear better than boys.
For all of Africa in this same time period, it was 187.3 million males and 183.7 million females.
In fact, this author carefully studied the male-female percentages for this age group for the year 2001 by examining over 250 nations and territories in the CIA World Fact book, and was surprised to learn that in all (but 8 nations: Bermuda, Cayman Island, Guinea, Guinea-Bissau, Liechtenstein (the only nation without Black majority), Mozambique, Sierra Leone and Swaziland) of those nations, there were more males than females under age 15.
Or to put it differently, non-Black women tend to give birth to more males on average.