Forthcoming

The role of adult mortality to the recent decline of life expectancy growth across Canadian provinces

Authors

  • Julie Choquette Université de Montréal
  • Nadine Ouellette Université de Montréal

Keywords:

Life expectancy, Mortality, Causes of death, Deaths of despair, Drugs, Alcohol, Cardiovascular diseases, COVID-19 pandemic, Working-age adults, Canada

Abstract

After decades of sustained progress, life expectancy in Canada is slowing, stagnating, or even declining in some provinces. We investigate this major change of trend by identifying the underlying age groups and causes of death, while specifying provincial and gender variations, using data from the Canadian Human Mortality Database and the Canadian Vital Statistics – Death Database. Our results, based on life expectancy decomposition methods and age-standardized death rates, show that since 2010, Canadian life expectancy has stagnated due to an increase in mortality among working-age adults (15 to 64 years), more severe among men than women. Drug-related mortality is the primary cause, followed by mortality attributable to alcohol consumption and cardiovascular diseases. Disparities across provinces are widening, to the detriment of Western and Prairie provinces. Thus far, only Quebec appears to resist the adverse trends observed elsewhere in the country.

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Published

2026-03-24

Issue

Section

Articles