 The ongoing COVID-19 pandemic has killed at least 1.1 million people in the United States and over 6.7 million globally. Accurately estimating the age-specific infection fatality rate, IFR, of SARS-CoV-2 for different populations is crucial for assessing and understanding the impact of COVID-19 and for appropriately allocating vaccines and treatments to at-risk groups. We estimated age-specific IFRs of wild-type SARS-CoV-2 using published seroprevalence, case, and death data from New York City, NYC, from March to May 2020, using a Bayesian framework that accounted for delays between key epidemiological events. IFRs increase 3-4 fold with every 20 years of age, from 0.06% in individuals between 18 to 45 years old to 4.7% in individuals over 75. We then compared IFRs in NYC to several city and country-wide estimates including England, Switzerland, Geneva, Sweden, Stockholm, Belgium, Mexico. This article was authored by Chloe G. Rickards and Amarm Kilpatrick. We are article.tv. Links in the description below.