Save the Children's 'State of the World's Mothers' report for 2015 ranked India at 140, down from last year's 137th, on an index of four indicators that measure risk of maternal death, under-five mortality rate, expected number of years of formal schooling, the gross national income per capita and participation of women in government.
Researchers compiled the index of 179 countries by using data from UN agencies to show where mothers and children fare best and where they face the greatest hardships.
The report found that children living in Delhi were among the most unequal with large gaps between health provision for the poorest and the richest.
"While private high-quality sector health facilities are more plentiful in urban areas, the urban poor often lack the ability to pay for this care," the authors said.
"Public sector health systems are typically under-funded, and often fail to reach those most in need with basic health services.
This year, as last, the top of the table was dominated by European countries and Norway replaced Finland at pole position.
The US ranked 33rd and the UK 23rd.
