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Bihar

Basic demographic estimates:
2019, 2020, 2021 population: 119520, 121302, 123083 × 103 (MoHFW (p160ff))
Yearly population growth: 1.47%
2018 crude death rate: 5.8 (SRS 2018 (Table 1))
CRS-SRS level of death registration (2015, 2016, 2017, 2018, 2019): 29.2%, 25.7%, 38.7%, 31.2%, 51.6% (CRS 2019, Statement 21)
NFHS-5: factsheet, full report

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

Mortality data :
Civil registration data monthly from Jan 2018 to May 2021

Articles on mortality:
Socarxiv (2021-07-30). [whole state] [survey data]. Results of a small-scale phone survey of PDS beneficiaries during April-June 2021, which found a major surge in mortality
Live Hindustan (2021-04-26). [Patna][crematorium/graveyard data]. One crematorium seeing around three times the usual number of cremations during three weeks in April
NDTV (2021-06-19). [whole state] [CRS data]. Jan 1-May 31, 2021 relative to the same period in 2019
Scroll (2021-07-11). [whole state] [CRS data]. Analysis of Bihar's first wave excess mortality as evidenced by CRS data

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

Expected COVID-19 IFR (O'Driscoll et al, Levin et al): 0.1793%, 0.2962%.

COVID-19 seroprevalence surveys and analysis :
1. Begusarai, Muzaffarpur, Buxar, Madhubani, Purnia, Arwal. Second national serosurvey.2. Begusarai, Muzaffarpur, Buxar, Madhubani, Purnia, Arwal. Fourth national serosurvey.3. Arwal, Begusarai, Buxar, Madhubani, Muzaffarpur, Purnia. Second National Serosurvey.4. Arwal, Begusarai, Buxar, Madhubani, Muzaffarpur, Purnia. Third National Serosurvey.