Table 1

Characteristics of inputs used from different data sources to estimate life tables for India and states, 2013–2017

Data source	Reference Year	Deaths	Population	Remarks
CRS	2017	Death registration	Projections made by National Commission on Population	Death age groups standardised to SRS
SRS	2017	Dual record systems	Observed sample population	Multistage random sample of census blocks
NFHS	2013–2016	Household recall	Person years lived in each age group within households	Multistage random cluster sampling of households
NBE	2017	State specific SRS proportions and national level UN WPP mortality/population estimates		Pop and death age groups standardised to SRS
GBD	2016	IHME mortality models	IHME population projections	State-specific mortality model inputs not available
MODMATCH	2017	WHO Model Life Table system	Projections made by National Commission on Population	Empirical state-specific inputs of ₅q₀ and ₄₅q₁₅ (see table 2)

CRS, Civil Registration System; GBD, Global Burden of Disease; IHME, Institute of Health Metrics and Evaluation; NBE, National Burden Estimates; NFHS, National Family Health Survey; SRS, Sample Registration System; UN, United Nations; WPP, World Population Project.