India's Life Expectancy Trajectory
Context:
The "State of India's Environment 2026" report highlights a concerning reversal in the country's demographic health markers.
After nearly five decades of steady progress, India's life expectancy at birth has experienced a decline, primarily driven by the severe impacts of the COVID-19 pandemic
Historical Progress and Recent Decline:
Life expectancy at birth improved remarkably from just 49.7 years in the early 1970’s to 70 years by the 2016–20 period.
This sustained upward trend was abruptly halted by the COVID-19 pandemic, which caused a significant rise in mortality rates throughout 2020 and 2021.
As a result, during the 2017–21 period, the overall life expectancy at birth declined to 69.8 years.
Although a drop of 0.2 years might appear modest on the surface, it serves as a critical demographic indicator of the pandemic's toll on a nation that had consistently recorded health gains for decades.
Rural vs. Urban Impact:
The downward shift in life expectancy was not isolated; it was visible across both rural and urban populations.
Urban Areas:
Urban life expectancy experienced a sharper drop, falling from 73.2 years in the 2016–20 period to 72.9 years in 2017–21.
Rural Areas:
Rural figures also witnessed a dip, going from 68.6 years down to 68.5 years over the same demographic period.
Methodology and Data Sources:
Definition:
Life expectancy at birth represents the average number of years a person is expected to live, assuming that current mortality rates remain constant throughout their lifetime.
The estimates are drawn from the Sample Registration System (SRS), a large-scale demographic survey designed to measure fertility and mortality indicators.
India utilizes the MORTPAK 4 software, a mortality measurement package developed by the United Nations.
This software generates abridged life tables using age-specific death rates (ASDRs) derived from the SRS data.
To minimize sampling variability and ensure reliability, five-year averages of ASDRs are calculated separately for rural and urban areas and disaggregated by sex.