f766d2e3_s_for_Organizing_Paper_Clutter__Why_
[0] Credit Card Statements [How Long?] 1 year [Why?] 
Once you've confirmed that the statement is accurate, keep it long enough to make sure that any returns are noted (if you're claiming expenses as tax write-offs, save it until tax time). Request the annual statement and keep it for 7 years.
How To Organize Papers - Tips for Organizing Paper Clutter
Why?