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> visa has ~ 80% market share in UK What is this statistic measuring? Number of adults who have some form of Visa card? Number of transactions in total? Online

> visa has ~ 80% market share in UK What is this statistic measuring? Number of adults who have some form of Visa card? Number of transactions in total? Online transactions? Debit and credit cards combined? If you're able to provide more detail that would be useful. According to the industry, debit card usage far outstrips credit card usage, at a ratio of about 3:1 for online purchases[0] - and debit cards were unaffected by Amazon's proposed change. So if we assume the 3:1 ratio holds true for Amazon customers, then we're looking at an absolute maximum of 15m/4 == 3.75 million customers - i.e. if all of them are paying with Visa. Five years ago it was reported that MasterCard had 65% of UK credit card market[1]. If we assume that hasn't shifted much, and ignore Amex and other issuers (i.e. granting Visa a generous 35% market) then we end up at 3.75m*0.35 = 1.31 million customers, or about 8.7% of Prime subscribers. A big and valuable chunk, to be sure - and obviously Amazon's customer base could well skew towards Visa for some reason or other - but to me it still isn't anywhere near as dramatic as "Visa has ~80% market share" implies. [0] https://www.ukfinance.org.uk/sites/default/files/uploads/Card-Spending-Update-September-2021-final.pdf https://www.ukfinance.org.uk/sites/default/files/uploads/Car... [1] https://cmspi.com/eur/blogs/competition-in-the-debit-card-issuing-market/ https://cmspi.com/eur/blogs/competition-in-the-debit-card-is...

lifeisstillgood 5y ago
https://www.statista.com/statistics/1116580/payment-card-scheme-market-share-in-europe-by-country/ https://www.statista.com/statistics/1116580/payment-card-sch... I think transaction share (ie number of swipes). The main issue for me is that its a big number - Amazon and Visa will have much more detailed models, but the direction of travel is the same - will people swap to Mastercard or just not buy?
- jhugo 5y ago
  That question seems absurd. Of course they'll just get a Mastercard if they don't already have one. The U.K. is full of neobanks that will give you one on your phone in 5 minutes.
  - jbc1 5y ago
    When not all banks supported Apple Pay here in Australia I would occasionally have people quite interested in paying with their phone after seeing me do it or hearing me talk about not carrying a wallet. I'd direct them to the two neobanks I use and told them they could be paying with their phone in two minutes. All lost interest.
beardyw 5y ago
There is better protection on credit card transactions so like many people I use credit card for online and debit card for contactless, and cash never.

lifeisstillgood 5y ago

https://www.statista.com/statistics/1116580/payment-card-scheme-market-share-in-europe-by-country/ https://www.statista.com/statistics/1116580/payment-card-sch... I think transaction share (ie number of swipes). The main issue for me is that its a big number - Amazon and Visa will have much more detailed models, but the direction of travel is the same - will people swap to Mastercard or just not buy?

jhugo 5y ago
That question seems absurd. Of course they'll just get a Mastercard if they don't already have one. The U.K. is full of neobanks that will give you one on your phone in 5 minutes.
- jbc1 5y ago
  When not all banks supported Apple Pay here in Australia I would occasionally have people quite interested in paying with their phone after seeing me do it or hearing me talk about not carrying a wallet. I'd direct them to the two neobanks I use and told them they could be paying with their phone in two minutes. All lost interest.

beardyw 5y ago

There is better protection on credit card transactions so like many people I use credit card for online and debit card for contactless, and cash never.