No. But that is when they received the AAA rating from S&P.
However, in August 2011, S&P downgraded US credit rating to AA+
Standard & Poor's
Standard & Poor's
S&P has maintained a AAA rating on the US since 1941. Moody's has had an Aaa rating on the US since 1917 and Fitch has had AAA rating since 1994
It depends on who you are dealing with. Visa for instance has your number no matter where you go.
USA's credit rating according to S&P (August 5th, 2012) is AA+. For a while the US had an AAA rating, but it has dropped due to rising debts. This isn't as bad as some European countries' though.
In the US, yes it does. I'm Canadian and here it does not.
It depends on if your bad debts are with credit cards (then yes) or other kinds of debt (then not necessarily).
Not usually. If you have/had dealilngs with a company that is based in the US. And are in good standing with that them, that could help in building your credit in the US.
Citizenship is not a factor in renting a home, a credit rating is. Which can be difficult if one has not been in the US for a period of time.
I don't see why not. They don't check your credit rating when you board an airline.
US based credit reporting agencies Experian, Transunion and Equifax operate in the UK. You bad credit rating in the US woul dbe visible to UK vendors who run a report on you through these agencies.
No. There are many more HIGH priorities for non-resident entries than a credit check.