According to the decennial Indian census, the sex ratio in the 0-6 age group in India went from 104.0 males per 100 females in 1981, to 105.8 in 1991, to 107.8 in 2001, to 109.4 in 2011.
It is estimated that more than 10 million female foetuses have been illegally aborted in India. Researchers for the Lancet journal based in Canada and India stated that 500,000 girls were being lost annually through sex-selective abortions.
Female foeticide has led to an increase in human trafficking. In 2011, 15,000 Indian women were bought and sold as brides in areas where foeticide has led to a lack of women.