https://www1.nyc.gov/assets/doh/downloads/pdf/vs/2017sum.pdf

Citywide age-adjusted death rates decreased over the past year, from 575.4 per 100,000 population in 2016 to 545.7 in 2017. Over the past ten years, the age-adjusted death rate decreased by 17.4%.
Население 8.6 миллионов
500 * 8600/100 = 43 миллиона в год. 115-120 в день

Может быть дело в age-adjusted.