| VBIRX | VBISX | VBIRX / VBISX | |
| Total Expense Ratio | 0.06 | 0.15 | 40% |
| Annual Report Gross Expense Ratio | 0.06 | 0.15 | 40% |
| Fund Existence | 25 years | 32 years | - |
| Gain YTD | -1.934 | -1.934 | 100% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 3000 | 3000 | 100% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 69.8B | 69.8B | 100% |
| Annual Yield % from dividends | 4.04 | 3.95 | 102% |
| Returns for 1 year | -1.65 | -1.65 | 100% |
| Returns for 3 years | 2.22 | 2.22 | 100% |
| Returns for 5 years | -5.97 | -5.98 | 100% |
| Returns for 10 years | -0.06 | -0.10 | 62% |