Alberta Reports Surge in Deaths Due to ‘Unknown Causes’ in 2021

A police officer and a service dog walk past blossoming ornamental fruit trees during the COVID-19 pandemic in Calgary, Alta., on May 17, 2021. The Canadian Press/Jeff McIntosh

Recent data on the leading causes of death in Alberta show a spike in the 2021 mortality rate due to “ill-defined and unknown causes.”

The data, published on June 30 by Service Alberta, ranks the 30 most common causes of death in the province last year.