死亡者合計
1/1 57521人
1/31 68407人
68407-57521=10886
https://ourworldindata.org/explorers/coronavirus-data-explorer?zoomToSelection=true&time=2022-08-06..latest&facet=none&pickerSort=asc&pickerMetric=location&Metric=Confirmed+deaths&Interval=Cumulative&Relative+to+Population=false&Color+by+test+positivity=false&country=~JPN
