Indice de coût de la vie / cost of living

https://www.numbeo.com/cost-of-living/

 examples, in 2021-Nov (7,450,880 prices in 10,484 cities entered by 613,014 contributors)

•  for Montréal : https://www.numbeo.com/cost-of-living/in/Montreal
  
  
  
  
  
• for Paris : 
  
  
  

• Paris vs Montreal :

https://www.numbeo.com/cost-of-living/compare_cities.jsp?country1=France&country2=Canada&city1=Paris&city2=Montreal&tracking=getDispatchComparison