[awb]

https://www.treasurydirect.gov/savings-bonds/i-bonds/

>Is there a maximum amount I can buy?

> In a calendar year, one Social Security Number or one Employer Identification Number may buy:

> * up to $10,000 in electronic I bonds, and

> * up to $5,000 in paper I bonds (with your tax refund)

> For individual accounts, the limits apply to the Social Security Number of the first-named in the registration.