Weekly Cumulative All-Cause Mortality by Calendar Year
These charts shows the weekly cumulative excess deaths by calendar year from all-causes for the United States and its states over time.
Massachusetts reported 10,494 deaths, for the 52 weeks of year 2020 (45-64 years of age). Expected deaths were 9,694. That is an increase of +800 deaths (+8.3%).
Massachusetts reported 10,676 deaths for the 52 weeks of year 2021 (45-64 years of age). Expected deaths were 9,715. That is an increase of +961 deaths (+9.9%).
Year to date, Massachusetts reported 7,216 deaths for the 37 weeks of year 2022 (45-64 years of age). Expected deaths were 6,971. That is an increase of +245 deaths (+3.5%).
These are raw undadjusted numbers as reported by CDC. Excess is calculated by substracting deaths from the baseline. The baseline is calculated as the pre-pandemic average of 2015-2019 adjusted for the linear trend (linear regression). Striked out series can be toggled by clicking on the legend. USMortality uses a projection algorithm to account for the delay in reporting based on up to 8 weeks of previous reports. The figures, are not suitable forcomparison between states, as they do not normalize for differences in population size and age structure.