| VBIRX | VBISX | VBIRX / VBISX | |
| Total Expense Ratio | 0.06 | 0.15 | 40% |
| Annual Report Gross Expense Ratio | 0.06 | 0.15 | 40% |
| Fund Existence | 24 years | 32 years | - |
| Gain YTD | 1.974 | 1.974 | 100% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 3000 | 3000 | 100% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 65.5B | 65.5B | 100% |
| Annual Yield % from dividends | 3.77 | 3.68 | 102% |
| Returns for 1 year | 1.87 | 1.87 | 100% |
| Returns for 3 years | 5.24 | 5.23 | 100% |
| Returns for 5 years | -4.74 | -4.75 | 100% |
| Returns for 10 years | 4.08 | 3.98 | 102% |