The latest study by Pew Research Center has pointed out that “son bias” is on a decline in India the average annual number of baby girls “missing” in India fell from about 480,000 (4.8 lakh) in 2010 to 410,000 (4.1 lakh) in 2019. The “missing” here refers to how many more female births would have occurred during this time if there were no female-selective abortions.
The problem began in the 1970s with the availability prenatal diagnostic technology allowing for sex selective abortions. Among the major religions, the biggest reduction in sex selection seems to be among the groups that previously had the greatest gender imbalances, particularly among Sikhs.
World over, boys modestly outnumber girls at birth, at a ratio of approximately 105 male babies for every 100 female babies. That was the ratio in India in the 1950s and 1960s, before prenatal sex tests became available across the country. India legalised abortion in 1971 but the trend of sex selection started picking up in the 1980s due to the introduction of ultrasound technology. In the 1970s, India’s sex ratio was at par with the global average of 105-100, but this widened to 108 boys per 100 girls in the early 1980s, and reached 110 boys per 100 girls in the 1990s.