Overview of a population question

The Masculinization of Births. Overview and Current Knowledge

Christophe Z. Guilmoto  By the same author


When Amartya Sen sounded the alarm 25 years ago on the millions of “missing” women in the world, the relative deficit of females and preponderance of males could mainly be ascribed to excess female mortality (Sen, 1990). The proportion of males in the world population moved above 50% in 1955, chiefly owing to skewed sex ratios1 in Asia, and (…)