As some may have observed, highly developed countries like the US encourages their people to use credit cards for transactions. Cash transactions are still used but mostly they prefer people to have their credit cards. I want to know if having a credit card really necessary even if they can afford to pay in cash? Are credit cards reflective of your ability to pay?
It doesn't have any indication at all.
Some countries are so poor that they show indications of credit card use because people can't afford simple stuff and that makes the card debts going a lot higher than it suppose to and many even default on their debt which leads to a whole lot of paper work for the bank, makes it harder to give out loans and than cripples the future profits to be made easily.
After all in some first world countries, where economy is great (not that there are many left in the world like that) rich people use credit cards and have very few cash because they already have a lot of money in the bank and the banks allow them to use limitless credit cards, type that could buy a plane with if you want and that shows credit cards are good for business there.
Hence, use of credit cards is not an indicator, credit card debt repayment is the key here, if the credit card debts are all paid than its a strong indicator that people are fine, if the credit cards are defaulted more than average then it shows they are poor.