The CPI-U value for January 2011 increased slightly to 220.223. With 2 months remaining before the May I-Bond inflation-linked rate is known, the CPI-U change has been fairly low.
May I Bond CPI-U values
| Sept. | Oct. | Nov. | Dec. | Jan. | Feb. | Mar. |
| 218.439 | 218.711 | 218.803 | 219.179 | 220.223 |
