Amazon.ca and Amazon.com accounted for about 10% of all e-commerce sales in Canada for 2019.
I wish i had some stats for the raw # of total packages/shipments, because that's where I think Amazon's marketshare would match the picture of "50% of every package"
Link I found for 2018 e-commerce net sales in Canada [0] has amazon and amazon.ca combined for 4.7b, costco at 1b, walmart 0.9, apple 0.79, the bay 0.47 etc.
So amazon eclipses the other other 7 competitors all on its own.
I wish i had some stats for the raw # of total packages/shipments, because that's where I think Amazon's marketshare would match the picture of "50% of every package"