| VBIRX | VIITX | VBIRX / VIITX | |
| Total Expense Ratio | 0.06 | 0.02 | 300% |
| Annual Report Gross Expense Ratio | 0.06 | 0.02 | 300% |
| Fund Existence | 25 years | 29 years | - |
| Gain YTD | -2.805 | -0.381 | 737% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 3000 | 10000000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 71B | 30.8B | 231% |
| Annual Yield % from dividends | 4.06 | 4.21 | 96% |
| Returns for 1 year | -2.80 | 0.84 | -332% |
| Returns for 3 years | 1.93 | 14.86 | 13% |
| Returns for 5 years | -6.63 | 5.03 | -132% |
| Returns for 10 years | -0.98 | 17.50 | -6% |