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West Bengal

Basic demographic estimates:
2019, 2020, 2021 population: 96906, 97516, 98125 × 103 (MoHFW (p160ff))
Yearly population growth: 0.62%
2018 crude death rate: 5.6 (SRS 2018 (Table 1))
CRS-SRS level of death registration (2015, 2016, 2017, 2018, 2019): 72.3%, 80.6%, 79.7%, 90.8%, 100% (CRS 2019, Statement 21)
NFHS-5: factsheet, full report

Mortality report :
Whole state (2021-08-22): factsheet on all cause mortality in West Bengal

Mortality data :
Civil registration data monthly for 18 districts from Jan 2018 to May 2021 + district level
Civil registration data Kolkata monthly from 2015 to 2020 (all months)

Articles on mortality:
The Hindu (2021-07-26). [whole state] [CRS data]. Analysis of civil registration data from 18 districts of West Bengal (five districts not available)
The Hindu (2021-05-29). [Kolkata][CRS data]. April 1 to May 27, 2021, relative to the average for the same period during 2015-2019

COVID-19:
Cases and recorded deaths (from covid19india.org):
COVID trajectory

Expected COVID-19 IFR (O'Driscoll et al, Levin et al): 0.2689%, 0.4452%.

COVID-19 seroprevalence surveys and analysis :
1. Kolkata, South 24 Parganas, Medinipur East, Jhargram, Bankura, Alipurduar. First national serosurvey.2. Kolkata. Thyrocare survey.3. Alipurduar, Bankura, Jhargram, Purba Medinipur, South 24 Parganas. Second National Serosurvey.4. Alipurduar, Bankura, Jhargram, Purba Medinipur, South 24 Parganas. Third National Serosurvey.