"The apparently inexorable rise in the proportion of "missing girls" in much of East and South Asia has attracted much … ratios were the highest in Asia but peaked in the mid-1990s and normalized thereafter. Using census data, we examine whether … similar trends have begun to manifest themselves in the two large populous countries of this region, China and India. The data …

cities in Asia and Sub-Saharan Africa for 1960-2006. The study also utilizes a new United Nations Population Division dataset …